From 14bc6bd07bf4395c4e487c9b3052fd1fcee54c3a Mon Sep 17 00:00:00 2001
From: Santo Cariotti <dcariotti24@gmail.com>
Date: Sat, 9 Nov 2019 10:23:54 +0100
Subject: Ex 1, Ex13 Used C++11 style for define array length and/or return
 pointer

---
 I_anno/Programmazione_1/ex01.cc |  7 ++++---
 I_anno/Programmazione_1/ex13.cc | 18 ++++++++++--------
 2 files changed, 14 insertions(+), 11 deletions(-)

(limited to 'I_anno/Programmazione_1')

diff --git a/I_anno/Programmazione_1/ex01.cc b/I_anno/Programmazione_1/ex01.cc
index ef91698..9183dec 100644
--- a/I_anno/Programmazione_1/ex01.cc
+++ b/I_anno/Programmazione_1/ex01.cc
@@ -6,11 +6,12 @@
 
 using namespace std;
 
-bool func(int a[K][N][N], int w) {
+template<int KK, int NN>
+bool func(int (&a)[KK][NN][NN], int w) {
 	vector<int> list;
-	for(int i = 0; i < K; ++i) {
+	for(int i = 0; i < KK; ++i) {
 		list.clear();
-		for(int j = 0; j < N; ++j)
+		for(int j = 0; j < NN; ++j)
 			list.push_back(a[i][j][j]);
 			
 		auto mm = minmax_element(begin(list), end(list));
diff --git a/I_anno/Programmazione_1/ex13.cc b/I_anno/Programmazione_1/ex13.cc
index e044504..bc0a6b5 100644
--- a/I_anno/Programmazione_1/ex13.cc
+++ b/I_anno/Programmazione_1/ex13.cc
@@ -1,12 +1,14 @@
 #include <iostream>
+#include <memory>
 #include <algorithm>
 #include <vector>
-#define K 2
-#define N 3
+#define K2 2
+#define N2 3
 using namespace std;
 
-double* func(int A[K][N], int B[N][K]) {
-    double* arr = new double[K];
+template<int N, int K>
+unique_ptr<double[]> func(int (&A)[K][N], int (&B)[N][K]) {
+    auto arr = unique_ptr<double[]>(new double{K});
     for(int i = 0; i < K; ++i) {
         vector<int> t;
         int sum = 0;
@@ -24,18 +26,18 @@ double* func(int A[K][N], int B[N][K]) {
 }
 
 int main() {
-    int A[K][N] = {
+    int A[K2][N2] = {
         {3, 7, 10},
         {5, 12, 32},
     };
-    int B[N][K] = {
+    int B[N2][K2] = {
         {12, 10},
         {15, 17},
         {8, 0},
     };
-    double* x = func(A, B);
+    auto x = func(A, B);
 
-    for(int i = 0; i < K; ++i)
+    for(int i = 0; i < K2; ++i)
         cout << x[i] << ' ';
     
     cout << endl;
-- 
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