Solved YoungPhysicist.cpp

1 files changed, 22 insertions, 0 deletions

diff --git a/YoungPhysicist.cpp b/YoungPhysicist.cpp
new file mode 100644
index 0000000..b126bd1
--- /dev/null
+++ b/YoungPhysicist.cpp
@@ -0,0 +1,22 @@
+#include<bits/stdc++.h>
+using namespace std;
+int main() {
+  int n;
+  cin >> n;
+  vector<vector<int>> v(n);
+  for(int i = 0; i < n; i++) {
+    for(int j = 0; j < 3; j++) {
+      int x;
+      cin >> x;
+      v[i].push_back(x);
+    }
+  }
+  int x = 0, y = 0, z = 0;
+  for(int i = 0; i < n; i++) {
+      x+=v[i][0];
+      y+=v[i][1];
+      z+=v[i][2];
+  }
+  cout << ((x == 0 && y == 0 && z == 0) ? "YES" : "NO") << endl;
+
+}