From ad38f2e1ea8a392eecd1de9509455a5309d28a58 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <dcariotti24@gmail.com>
Date: Fri, 20 Mar 2020 22:50:15 +0100
Subject: feat: coding contest 20/03/20

---
 I_anno/Programmazione_2/gita.cpp | 46 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 I_anno/Programmazione_2/gita.cpp

diff --git a/I_anno/Programmazione_2/gita.cpp b/I_anno/Programmazione_2/gita.cpp
new file mode 100644
index 0000000..cbb4910
--- /dev/null
+++ b/I_anno/Programmazione_2/gita.cpp
@@ -0,0 +1,46 @@
+#include<iostream>
+#include<fstream>
+#include<vector>
+#include<map>
+
+using namespace std;
+
+int main() {
+    ifstream in("input.txt");
+    ofstream out("output.txt");
+    
+    for(int c = 0; c < 100; ++c) {
+        int N, L;
+        in >> N >> L;
+        vector<pair<short, int>> students;
+        for(int i = 0; i < N; ++i) {
+            int num;
+            in >> num;
+            students.push_back({num, 0});
+        }
+
+        int index, val;
+        for(int i = 0; i < L; ++i) {
+            in >> index >> val;
+            students[index].second += val;
+        }
+
+        vector<pair<short, int>> errors;
+        short _j{};
+        for(auto const& i : students) {
+            if(i.second < i.first) {
+                errors.push_back({_j, i.first-i.second});
+            }
+            _j++;
+        }
+
+        out << errors.size() << ' ';
+        for(auto const& i : errors) {
+            out << i.first << ' ' << i.second << ' ';
+        }
+        out << endl;
+    }
+    out.close();
+    in.close();
+    return 0;
+}
-- 
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