oj.uz

Submission #532722

# Submission time Handle Problem Language Result Execution time Memory
532722 2022-03-03T18:42:24 Z Alex_tz307 Remittance (JOI19_remittance) C++17
0 / 100
 1 ms 312 KB 
#include <bits/stdc++.h>

using namespace std;

void testCase() {
  int n;
  cin >> n;
  vector<int> a(n), b(n);
  for (int i = 0; i < n; ++i) {
    cin >> a[i] >> b[i];
  }
  for (int rep = 0; rep < 32; ++rep) {
    for (int i = 0; i < n; ++i) {
      if (b[i] < a[i]) {
        int send = (a[i] - b[i]) / 2;
        a[i] -= 2 * send;
        a[(i + 1) % n] += send;
      }
    }
  }
  for (int i = 0; i < n; ++i) {
    if (a[i] != b[i]) {
      cout << "No\n";
      return;
    }
  }
  cout << "Yes\n";
}

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  int tests = 1;
  for (int tc = 0; tc < tests; ++tc) {
    testCase();
  }
  return 0;
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 312 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 288 KB Output is correct
8 Incorrect 1 ms 204 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 312 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 288 KB Output is correct
8 Incorrect 1 ms 204 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 312 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 288 KB Output is correct
8 Incorrect 1 ms 204 KB Output isn't correct
9 Halted 0 ms 0 KB -