1637A solved, return 0 added to 2 problems

Author: naowalrahman

c++/string_of_ints_to_vector.cpp

@@ -0,0 +1,19 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+// works if you are given the length of the array
+int main() { 
+    /* 
+    run for loop with value of n, the cin into
+    v[i]. This works because C++ interprets spaces
+    as separators between inputs, just like it
+    does for newlines.
+    */
+    int n; cin >> n;
+    vector<int> v(n);
+    for(int i = 0; i < n; i++) cin >> v[i];
+
+    // testing
+    for(int i : v) cout << i << " -> ";
+    return 0;
+}

codeforces/1637A.cpp

@@ -0,0 +1,19 @@
+#include <bits/stdc++.h> 
+using namespace std;
+
+int main() {
+    int t; cin >> t; 
+    
+    while(t--) {
+        int n; cin >> n;
+        vector<int> v(n);
+        for(int i = 0; i < n; i++) cin >> v[i];
+        bool not_sorted = false;
+        for(int i = 0; i < n-1; i++)
+            if(v[i] > v[i+1]) not_sorted = true;
+        
+        if(not_sorted) cout << "YES\n";
+        else cout << "NO\n";
+    }
+    return 0;
+}

codeforces/1637A.py

@@ -0,0 +1,5 @@
+for i in range(int(input())): 
+    n = int(input())
+    a = list(map(int, input().split()))
+    if a != sorted(a): print("YES")
+    else: print("NO")

codeforces/339A.cpp

@@ -19,5 +19,7 @@ int main() {
         if(i != v.size() - 1) 
             cout << v[i] << '+';
         else cout << v[i];
+
+    return 0;
 
 }

codeforces/617A.cpp

@@ -10,4 +10,5 @@ int main() {
         cout << 1; 
     else if(x % 5 == 0) cout << x / 5;
     else cout << x / 5 + 1;
+    return 0;
 }