Changed the folder structure of codeforces problemsets

codeforces/problemsets/youngPhysicist/a.cpp

@@ -0,0 +1,29 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    int n, a, b, c, x = 0, y = 0, z = 0;
+    cin >> n;
+
+    for(int i = 0; i < n; ++i){
+        cin >> a >> b >> c;
+        x += a;
+        y += b;
+        z += c;
+    }
+
+    if(x == 0 && y == 0 && z == 0){
+        cout << "YES";
+    } else{
+        cout << "NO";
+    }
+
+    cout << flush;
+
+    return 0;
+}