From f279107065146a4940f5e73602a1c3c09e58b31d Mon Sep 17 00:00:00 2001
From: Santo Cariotti <dcariotti24@gmail.com>
Date: Sun, 18 Oct 2020 18:56:43 +0200
Subject: chore: name of first year folder

---
 .../exercises/exam_20_07_20/ex1.cpp                |  39 ---
 .../exercises/exam_20_07_20/ex2.cpp                |  63 -----
 .../exercises/exam_20_07_20/ex3.cpp                | 284 --------------------
 .../exercises/exam_20_07_20/ex4.cpp                | 293 ---------------------
 .../exercises/exam_20_07_20/ex5.cpp                | 285 --------------------
 5 files changed, 964 deletions(-)
 delete mode 100644 I_anno/Programmazione_2/exercises/exam_20_07_20/ex1.cpp
 delete mode 100644 I_anno/Programmazione_2/exercises/exam_20_07_20/ex2.cpp
 delete mode 100644 I_anno/Programmazione_2/exercises/exam_20_07_20/ex3.cpp
 delete mode 100644 I_anno/Programmazione_2/exercises/exam_20_07_20/ex4.cpp
 delete mode 100644 I_anno/Programmazione_2/exercises/exam_20_07_20/ex5.cpp

(limited to 'I_anno/Programmazione_2/exercises/exam_20_07_20')

diff --git a/I_anno/Programmazione_2/exercises/exam_20_07_20/ex1.cpp b/I_anno/Programmazione_2/exercises/exam_20_07_20/ex1.cpp
deleted file mode 100644
index 4f08a74..0000000
--- a/I_anno/Programmazione_2/exercises/exam_20_07_20/ex1.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-#include<iostream>
-#include<sstream>
-#include<fstream>
-#include<vector>
-
-using namespace std;
-int insertionsort(vector<int>& a, int n) {
-    int c = 0;
-    for(int i = 1; i < n; ++i) {
-        int j = i-1;
-        int key = a[i];
-        while(j > -1 && a[j] > key) {
-            swap(a[j+1], a[j]);
-            --j;
-            c++;
-        }
-        a[j+1] = key;
-    }
-    return c;
-}
-int main() {
-    ifstream in("input.txt");
-    ofstream out("output.txt");
-
-    for(int ts = 0; ts < 100; ++ts) {
-        int N;
-        in >> N;
-        int a, b;
-        vector<int> v;
-        for(int i = 0; i < N; ++i) {
-            in >> a >> b;
-            v.push_back(a+b);
-        }
-        out << insertionsort(v, v.size()) << endl;
-    }
-    in.close();
-    out.close();
-    return 0;
-}
diff --git a/I_anno/Programmazione_2/exercises/exam_20_07_20/ex2.cpp b/I_anno/Programmazione_2/exercises/exam_20_07_20/ex2.cpp
deleted file mode 100644
index aed25e4..0000000
--- a/I_anno/Programmazione_2/exercises/exam_20_07_20/ex2.cpp
+++ /dev/null
@@ -1,63 +0,0 @@
-#include<iostream>
-#include<sstream>
-#include<fstream>
-#include<queue>
-
-using namespace std;
-using pi = tuple<int, int, vector<int>>;
-
-class comp {
-public:
-    bool operator()(const pi& lhs, const pi& rhs) const {
-        auto xl = get<0>(lhs);
-        auto yl = get<0>(rhs);
-
-        auto il = get<1>(lhs);
-        auto jl = get<1>(rhs);
-        if(xl == yl)
-            return il > jl;
-        return xl > yl;
-    }
-};
-
-int main() {
-    ifstream in("input.txt");
-    ofstream out("output.txt");
-
-    for(int ts = 0; ts < 100; ++ts) {
-        int R, C;
-        in >> R >> C;
-        vector<vector<int>> v;
-        priority_queue<pi, vector<pi>, comp> pq;
-        int k;
-        for(int i = 0; i < R; ++i) {
-            v.push_back(vector<int>{});
-            for(int j = 0; j < C; ++j) {
-                in >> k;
-                v[i].push_back(k);
-            }
-        }
-
-        int index = 0;
-        for(auto const& i : v) {
-            int s = 0;
-            pi qq;
-            for(auto const& j : i)
-                s += j;
-            get<0>(qq) = s;
-            get<1>(qq) = index++;
-            get<2>(qq) = i;
-            pq.push(qq);
-        }
-        while(!pq.empty()) {
-            auto q = pq.top();
-            pq.pop();
-            for(auto const& i : get<2>(q))
-                out << i << ' ';
-        }
-        out << endl;
-    }
-    in.close();
-    out.close();
-    return 0;
-}
diff --git a/I_anno/Programmazione_2/exercises/exam_20_07_20/ex3.cpp b/I_anno/Programmazione_2/exercises/exam_20_07_20/ex3.cpp
deleted file mode 100644
index 71f9c65..0000000
--- a/I_anno/Programmazione_2/exercises/exam_20_07_20/ex3.cpp
+++ /dev/null
@@ -1,284 +0,0 @@
-#include<iostream>
-#include<sstream>
-#include<fstream>
-
-using namespace std;
-
-template<class T>
-struct node {
-    T key;
-    node<T>* prev;
-    node<T>* right;
-    node<T>* left;
-};
-
-template<class T>
-class bst {
-public:
-    bst() : root{nullptr} , _val{0}{}
-
-    ~bst() {
-        // TODO
-    }
-
-    bst<T>* insert(initializer_list<T>&& list) {
-        for(auto const& i : list)
-            insert(i);
-
-        return this;
-    }
-
-    bst<T>* insert(T k) {
-        node<T>* nodus = new node<T>{k, nullptr, nullptr, nullptr};
-        node<T>* iter = root;
-        node<T>* prev = nullptr;
-
-        while(iter) {
-            prev = iter;
-            iter = (k < iter->key) ? iter->left : iter->right;
-        }
-
-        nodus->prev = prev;
-        if(!prev)
-            root = nodus;
-        else if(k < prev->key)
-            prev->left = nodus;
-        else
-            prev->right = nodus;
-
-        return this;
-    }
-
-    bst<T>* remove(initializer_list<T>&& list) {
-        for(auto const& i : list)
-            remove(i);
-
-        return this;
-    }
-
-    bst<T>* remove(T k) {
-        node<T>* nodus = search(k);
-        if(!nodus) return this;
-
-        if(!nodus->left) {
-            _transplant(nodus, nodus->right);
-        } else if(!nodus->right) {
-            _transplant(nodus, nodus->left);
-        } else {
-            node<T>* iter = _min(nodus->right);
-            if(iter->prev != nodus) {
-                _transplant(iter, iter->right);
-                iter->right = nodus->right;
-                iter->right->prev = iter;
-            }
-            _transplant(nodus, iter);
-            iter->left = nodus->left;
-            iter->left->prev = iter;
-        }
-
-        delete nodus;
-        return this;
-    }
-
-    node<T>* min() {
-        return _min(root);
-    }
-
-    node<T>* min(node<T>* nodus) {
-        return _min(nodus);
-    }
-
-    node<T>* max() {
-        return _max(root);
-    }
-
-    node<T>* max(node<T>* nodus) {
-        return _max(nodus);
-    }
-
-    node<T>* search(T k) {
-        node<T>* iter = root;
-        while(iter && iter->key != k)
-            iter = (iter->key > k) ? iter->left : iter->right;
-
-        return iter;
-    }
-
-    node<T>* successor(T k) {
-        node<T>* nodus = search(k);
-        if(!nodus) return nullptr;
-
-        if(nodus->right)
-            return min(nodus->right);
-
-        node<T>* prev = nodus->prev;
-        while(prev && nodus == prev->right) {
-            nodus = prev;
-            prev = prev->prev;
-        }
-
-        return prev;
-
-    }
-    node<T>* predecessor(T k) {
-        node<T>* nodus = search(k);
-        if(!nodus) return nullptr;
-
-        if(nodus->left)
-            return max(nodus->left);
-
-        node<T>* prev = nodus->prev;
-        while(prev && nodus == prev->left) {
-            nodus = prev;
-            prev = prev->prev;
-        }
-
-        return prev;
-    }
-
-    friend ostream& operator<<(ostream& os, bst<T>* tree) {
-        tree->_inorder(os, tree->root);
-        return os;
-    }
-    T sol(T k) {
-        return _max(search(k))->key;
-    }
-private:
-    int _val;
-    void _transplant(node<T>* u, node<T>* v) {
-        if(!u->prev) {
-            root = v;
-        } else if(u == u->prev->left) {
-            u->prev->left = v;
-        } else {
-            u->prev->right = v;
-        }
-
-        if(v)
-            v->prev = u->prev;
-    }
-
-    node<T>* _min(node<T>* root) {
-        node<T>* iter = root;
-        while(iter && iter->left)
-            iter = iter->left;
-
-        return iter;
-    }
-
-    node<T>* _max(node<T>* root) {
-        node<T>* iter = root;
-        while(iter && iter->right)
-            iter = iter->right;
-
-        return iter;
-    }
-
-    void _inorder(ostream& os, node<T>* root) {
-        if(root) {
-            if(root->right && root->left) {
-                _val++;
-            }
-            _inorder(os, root->left);
-            os << root->key << ' ';
-            _inorder(os, root->right);
-        }
-    }
-
-    void _preorder(ostream& os, node<T>* root) {
-        if(root) {
-            os << root->key << ' ';
-            _inorder(os, root->left);
-            _inorder(os, root->right);
-        }
-    }
-
-    void _postorder(ostream& os, node<T>* root) {
-        if(root) {
-            _inorder(os, root->left);
-            _inorder(os, root->right);
-            os << root->key << ' ';
-        }
-    }
-    node<T>* root;
-};
-
-int main() {
-    ifstream in("input.txt");
-    ofstream out("output.txt");
-
-    for(int ts = 0; ts < 100; ++ts) {
-        string t, comm;
-        in >> t;
-        int n;
-        switch(t.at(0)) {
-        case 'd':
-            {
-                bst<double>* b = new bst<double>{};
-                in >> n;
-                double k;
-                for(int i = 0; i < n; ++i) {
-                    in >> comm;
-                    stringstream tcomm(comm);
-                    int ex= 0;
-                    while(getline(tcomm, comm, ':')) {
-                        if(ex == 0) {
-                            if(comm == "ins")
-                                ex = 1;
-                            else
-                                ex = 2;
-                        } else {
-                            if(ex == 1)
-                                b->insert(stod(comm));
-                            else
-                                b->remove(stod(comm));
-                            ex = 0;
-                        }
-                    }
-                }
-                in >> k;
-                cout << b << endl;
-                out << b->sol(k) << endl;
- 
-                delete b;
-                break;
-            }
-        case 'i':
-            {
-                bst<int>* b = new bst<int>{};
-                in >> n;
-                int k;
-                for(int i = 0; i < n; ++i) {
-                    in >> comm;
-                    stringstream tcomm(comm);
-                    int ex= 0;
-                    while(getline(tcomm, comm, ':')) {
-                        if(ex == 0) {
-                            if(comm == "ins")
-                                ex = 1;
-                            else
-                                ex = 2;
-                        } else {
-                            if(ex == 1)
-                                b->insert(stoi(comm));
-                            else
-                                b->remove(stoi(comm));
-                            ex = 0;
-                        }
-                    }
-                }
-                in >> k;
-                cout << b << endl;
-                out << b->sol(k) << endl;
- 
-                delete b;
-                break;
-            }
-        }
-    }
-
-    in.close();
-    out.close();
-    return 0;
-}
-
diff --git a/I_anno/Programmazione_2/exercises/exam_20_07_20/ex4.cpp b/I_anno/Programmazione_2/exercises/exam_20_07_20/ex4.cpp
deleted file mode 100644
index e234363..0000000
--- a/I_anno/Programmazione_2/exercises/exam_20_07_20/ex4.cpp
+++ /dev/null
@@ -1,293 +0,0 @@
-#include<iostream>
-#include<sstream>
-#include<fstream>
-
-using namespace std;
-
-template<class T>
-struct node {
-    T key;
-    node<T>* prev;
-    node<T>* right;
-    node<T>* left;
-};
-
-template<class T>
-class bst {
-public:
-    bst() : root{nullptr} , _val{0}{}
-
-    ~bst() {
-        // TODO
-    }
-
-    bst<T>* insert(initializer_list<T>&& list) {
-        for(auto const& i : list)
-            insert(i);
-
-        return this;
-    }
-
-    bst<T>* insert(T k) {
-        node<T>* nodus = new node<T>{k, nullptr, nullptr, nullptr};
-        node<T>* iter = root;
-        node<T>* prev = nullptr;
-
-        while(iter) {
-            prev = iter;
-            iter = (k < iter->key) ? iter->left : iter->right;
-        }
-
-        nodus->prev = prev;
-        if(!prev)
-            root = nodus;
-        else if(k < prev->key)
-            prev->left = nodus;
-        else
-            prev->right = nodus;
-
-        return this;
-    }
-
-    bst<T>* remove(initializer_list<T>&& list) {
-        for(auto const& i : list)
-            remove(i);
-
-        return this;
-    }
-
-    bst<T>* remove(T k) {
-        node<T>* nodus = search(k);
-        if(!nodus) return this;
-
-        if(!nodus->left) {
-            _transplant(nodus, nodus->right);
-        } else if(!nodus->right) {
-            _transplant(nodus, nodus->left);
-        } else {
-            node<T>* iter = _min(nodus->right);
-            if(iter->prev != nodus) {
-                _transplant(iter, iter->right);
-                iter->right = nodus->right;
-                iter->right->prev = iter;
-            }
-            _transplant(nodus, iter);
-            iter->left = nodus->left;
-            iter->left->prev = iter;
-        }
-
-        delete nodus;
-        return this;
-    }
-
-    node<T>* min() {
-        return _min(root);
-    }
-
-    node<T>* min(node<T>* nodus) {
-        return _min(nodus);
-    }
-
-    node<T>* max() {
-        return _max(root);
-    }
-
-    node<T>* max(node<T>* nodus) {
-        return _max(nodus);
-    }
-
-    node<T>* search(T k) {
-        node<T>* iter = root;
-        while(iter && iter->key != k)
-            iter = (iter->key > k) ? iter->left : iter->right;
-
-        return iter;
-    }
-
-    node<T>* successor(T k) {
-        node<T>* nodus = search(k);
-        if(!nodus) return nullptr;
-
-        if(nodus->right)
-            return min(nodus->right);
-
-        node<T>* prev = nodus->prev;
-        while(prev && nodus == prev->right) {
-            nodus = prev;
-            prev = prev->prev;
-        }
-
-        return prev;
-
-    }
-    node<T>* predecessor(T k) {
-        node<T>* nodus = search(k);
-        if(!nodus) return nullptr;
-
-        if(nodus->left)
-            return max(nodus->left);
-
-        node<T>* prev = nodus->prev;
-        while(prev && nodus == prev->left) {
-            nodus = prev;
-            prev = prev->prev;
-        }
-
-        return prev;
-    }
-
-    friend ostream& operator<<(ostream& os, bst<T>* tree) {
-        tree->_inorder(os, tree->root);
-        return os;
-    }
-    T sol(T k) {
-        auto x = search(k);
-        auto m = _max(x)->key;
-        auto mnn = _min(x);
-        T mn;
-        if(mnn->right)
-            mn = _min(mnn->right)->key;
-        else
-            mn = mnn->key;
-        cout << m << ' ' << mn << endl;
-        return m - mn;
-    }
-private:
-    int _val;
-    void _transplant(node<T>* u, node<T>* v) {
-        if(!u->prev) {
-            root = v;
-        } else if(u == u->prev->left) {
-            u->prev->left = v;
-        } else {
-            u->prev->right = v;
-        }
-
-        if(v)
-            v->prev = u->prev;
-    }
-
-    node<T>* _min(node<T>* root) {
-        node<T>* iter = root;
-        while(iter && iter->left)
-            iter = iter->left;
-
-        return iter;
-    }
-
-    node<T>* _max(node<T>* root) {
-        node<T>* iter = root;
-        while(iter && iter->right)
-            iter = iter->right;
-
-        return iter;
-    }
-
-    void _inorder(ostream& os, node<T>* root) {
-        if(root) {
-            if(root->right && root->left) {
-                _val++;
-            }
-            _inorder(os, root->left);
-            os << root->key << ' ';
-            _inorder(os, root->right);
-        }
-    }
-
-    void _preorder(ostream& os, node<T>* root) {
-        if(root) {
-            os << root->key << ' ';
-            _inorder(os, root->left);
-            _inorder(os, root->right);
-        }
-    }
-
-    void _postorder(ostream& os, node<T>* root) {
-        if(root) {
-            _inorder(os, root->left);
-            _inorder(os, root->right);
-            os << root->key << ' ';
-        }
-    }
-    node<T>* root;
-};
-
-int main() {
-    ifstream in("input.txt");
-    ofstream out("output.txt");
-
-    for(int ts = 0; ts < 100; ++ts) {
-        string t, comm;
-        in >> t;
-        int n;
-        switch(t.at(0)) {
-        case 'd':
-            {
-                bst<double>* b = new bst<double>{};
-                in >> n;
-                double k;
-                for(int i = 0; i < n; ++i) {
-                    in >> comm;
-                    stringstream tcomm(comm);
-                    int ex= 0;
-                    while(getline(tcomm, comm, ':')) {
-                        if(ex == 0) {
-                            if(comm == "ins")
-                                ex = 1;
-                            else
-                                ex = 2;
-                        } else {
-                            if(ex == 1)
-                                b->insert(stod(comm));
-                            else
-                                b->remove(stod(comm));
-                            ex = 0;
-                        }
-                    }
-                }
-                in >> k;
-                cout << b << endl;
-                out << b->sol(k) << endl;
- 
-                delete b;
-                break;
-            }
-        case 'i':
-            {
-                bst<int>* b = new bst<int>{};
-                in >> n;
-                int k;
-                for(int i = 0; i < n; ++i) {
-                    in >> comm;
-                    stringstream tcomm(comm);
-                    int ex= 0;
-                    while(getline(tcomm, comm, ':')) {
-                        if(ex == 0) {
-                            if(comm == "ins")
-                                ex = 1;
-                            else
-                                ex = 2;
-                        } else {
-                            if(ex == 1)
-                                b->insert(stoi(comm));
-                            else
-                                b->remove(stoi(comm));
-                            ex = 0;
-                        }
-                    }
-                }
-                in >> k;
-                cout << b << endl;
-                out << b->sol(k) << endl;
- 
-                delete b;
-                break;
-            }
-        }
-    }
-
-    in.close();
-    out.close();
-    return 0;
-}
-
diff --git a/I_anno/Programmazione_2/exercises/exam_20_07_20/ex5.cpp b/I_anno/Programmazione_2/exercises/exam_20_07_20/ex5.cpp
deleted file mode 100644
index dd8fc98..0000000
--- a/I_anno/Programmazione_2/exercises/exam_20_07_20/ex5.cpp
+++ /dev/null
@@ -1,285 +0,0 @@
-#include<iostream>
-#include<vector>
-#include<algorithm>
-#include<queue>
-#include<stack>
-#include<fstream>
-#define INF 99999999
-#define W -1
-#define G 0
-#define B 1
-
-using namespace std;
-
-template<class H>
-class graph {
-public:
-    graph(int len) : _len{len}, _nodes{0}, _edges{0} {
-        _k = new H*[len];
-        _adj = new vector<int>[len];
-        _colors = new int[len];
-        _d = new int[len];
-        _f = new int[len];
-        _p = new int[len];
-
-        for(int i = 0; i < len; ++i) {
-            _k[i] = nullptr;
-        }
-    }
-    ~graph() {
-        delete[] _k;
-        delete[] _adj;
-    }
-
-    graph<H>* add_node(H x) {
-        if(_index(x) > -1) return this;
-        if(_nodes == _len) return this;
-        _k[_nodes++] = new H(x);
-
-        return this;
-    }
-    graph<H>* add_edge(H u, H v) {
-        int i = _index(u);
-        int j = _index(v);
-        if(i < 0 || j < 0) return this;
-
-        if(find(_adj[i].begin(), _adj[i].end(), j) == _adj[i].end()) {
-            _adj[i].push_back(j);
-        }
-        return this;
-    }
-    void print() {
-        for(int i = 0; i < _nodes; ++i) {
-            cout << "(" << *_k[i] << ", " << i << "): ";
-            for(auto const& j : _adj[i]) {
-                cout << "(" << *_k[j] << ", " << j << ") ";
-            }
-            cout << endl;
-        }
-    }
-    void dfsvisit(int u, bool visited[]) {
-        visited[u] = true;
-        cout << "(" << *_k[u] << ", " << u << ") ";
-        for(auto const& i : _adj[u]) {
-            if(!visited[i])
-                dfsvisit(i, visited);
-        }
-    }
-    int dfsvisit(int u) {
-        int cycle = 0;
-        _colors[u] = G;
-        _d[u] = _time++;
-
-        for(auto const& j : _adj[u]) {
-            if(_colors[j] == W)
-                cycle |= dfsvisit(j);
-        }
-
-        _colors[u] = B;
-        _stack.push(u);
-        _f[u] = _time++;
-        return cycle;
-    }
-    int dfs() {
-        int cycle = 0;
-        for(int i = 0; i < _nodes; ++i) {
-            _colors[i] = W;
-        }
-        _time = 0;
-        for(int i = 0; i < _nodes; ++i) {
-            if(_colors[i] == W)
-                cycle |= dfsvisit(i);
-            else if(_colors[i] == G)
-                cycle = 1;
-        }
-        for(int i = 0; i < _nodes; ++i) {
-            cout << "(" << *_k[i] << ", " << i << "): [" << _d[i] << "," << _f[i] << "]" << endl;
-        }
-        return cycle;
-    }
-
-    void top_sort() {
-        int cycle = dfs();
-        if(cycle) {
-            cout << "cyclic graph!" << endl;
-            return;
-        }
-        int* s = new int[_nodes];
-        for(int i = 0; i < _nodes; ++i) s[i] = i;
-        _sort(s, _nodes, _f);
-        for(int i = 0; i < _nodes; ++i) {
-            cout << "(" << s[i] << ", " << _f[s[i]] << ") ";
-        }
-
-    }
-
-    void bfs(H v) {
-        int s = _index(v);
-        if(s < 0) return;
-
-        for(int i = 0; i < _nodes; ++i) {
-            _colors[i] = W;
-            _d[i] = INF;
-            _p[i] = -1;
-        }
-        _colors[s] = G;
-        _d[s] = 0;
-        queue<int> q;
-        q.push(s);
-        while(!q.empty()) {
-            int u = q.front();
-            q.pop();
-            for(auto const& j : _adj[u]) {
-                if(_colors[j] == W) {
-                    _colors[j] = G;
-                    _d[j] = _d[u]+1;
-                    _p[j] = u;
-                    q.push(j);
-                }
-            }
-            _colors[u] = B;
-        }
-        for(int i = 0; i < _nodes; ++i) {
-            cout << "(" << *_k[i] << ", " << i << "): [" << _d[i] << "]" << endl;
-        }
-    }
-    int ssc() {
-        dfs();
-        cout << endl << endl;
-        bool* visited = new bool[_nodes];
-        for(int i = 0; i < _nodes; ++i)
-            visited[i] = false;
-        int count = 0;
-        while(!_stack.empty()) {
-            int v = _stack.top();
-            _stack.pop();
-            if(!visited[v]) {
-                dfsvisit(v, visited);
-                count++;
-                cout << endl;
-            }
-        }
-        delete[] visited;
-        return count;
-    }
-private:
-    graph<H>* _transpose() {
-        graph<H>* g = new graph<H>{_len};
-        for(int i = 0; i < _nodes; ++i) {
-            g->add_node(*_k[i]);
-        }
-
-        for(int i = 0; i < _nodes; ++i) {
-            for(auto const& j : _adj[i]) {
-                g->add_edge(j, i);
-            }
-        }
-
-        return g;
-    }
-    void _sort(int* d, int n, int* s) {
-        for(int i = -1; i < n; ++i) {
-            int j = i-1;
-            while(j > -1 && s[d[j+1]]>s[d[j]]) {
-                swap(d[s[j+1]], d[s[j]]);
-                --j;
-            }
-        }
-    }
-    int _index(H x) {
-        for(int i = 0; i < _nodes; ++i)
-            if(*_k[i] == x) return i;
-
-        return -1;
-    }
-    stack<int> _stack;
-    H** _k;
-    vector<int>* _adj;
-    int _len, _nodes, _edges;
-    int* _colors;
-    int _time;
-    int* _d;
-    int* _f;
-    int* _p;
-};
-
-int main() {
-    ifstream in("input.txt");
-    ofstream out("output.txt");
-
-    for(int ts = 0; ts < 100; ++ts) {
-        int n, e;
-        in >> n>>e;
-        string t;
-        in >> t;
-        char _t;
-        switch(t.at(0)){
-            case 'd':{
-                graph<double>* g = new graph<double>{n};
-                double x, y;
-                for(int i = 0; i < n; ++i) {
-                    in >> x;
-                    g->add_node(x);
-                }
-                for(int i = 0; i < e; ++i) {
-                    in >>_t;
-                    in >> x >> y;
-                    in >> _t;
-                    g->add_edge(x, y);
-                    g->add_edge(y, x);
-                }
-                g->print();
-                cout << endl << endl;
-                out << g->ssc()<<endl;
-                delete g;
-                break;
-             }
-            case 'i':{
-
-                graph<int>* g = new graph<int>{n};
-                int x, y;
-                for(int i = 0; i < n; ++i) {
-                    in >> x;
-                    g->add_node(x);
-                }
-                for(int i = 0; i < e; ++i) {
-                    in >>_t;
-                    in >> x >> y;
-                    in >> _t;
-                    g->add_edge(x, y);
-                    g->add_edge(y, x);
-                }
-                g->print();
-                cout << endl << endl;
-                out << g->ssc()<<endl;
-                delete g;
-                break;
-                     }
-            case 'c': {
-
-                graph<char>* g = new graph<char>{n};
-                char x, y;
-                for(int i = 0; i < n; ++i) {
-                    in >> x;
-                    g->add_node(x);
-                }
-                for(int i = 0; i < e; ++i) {
-                    in >>_t;
-                    in >> x >> y;
-                    in >> _t;
-                    g->add_edge(x, y);
-                    g->add_edge(y, x);
-                }
-                g->print();
-                cout << endl << endl;
-                out << g->ssc()<<endl;
-                delete g;
-                break;
-                      }
-        }
-    }
-    in.close();
-    out.close();
-    return 0;
-}
-
-- 
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