답안 #495549

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
495549	2021-12-19T10:38:13 Z	600Mihnea	송금 (JOI19_remittance)	C++17	0 / 100	1 ms	336 KB

remittance

#include <bits/stdc++.h>

using namespace std;

#define int long long

const int N = (int) 1e6 + 7;
int n;
int a[N];
int b[N];

signed main() {
  ios::sync_with_stdio(0); cin.tie(0);

  //freopen ("input", "r", stdin);

  cin >> n;
  for (int i = 0; i < n; i++) {
    cin >> a[i] >> b[i];
  }

  while (true) {
    bool change = false;
    for (int i = 0; i < n; i++) {
      int j = (i + 1) % n;
      int extra = a[i] - b[i];
      if (extra >= 1) {
        change = true;
        a[i] -= (extra + 1) / 2 * 2;
        a[j] += (extra + 1) / 2;
      }
    }
    if (!change) {
      break;
    }
  }

  for (int i = 0; i < n; i++) {
    if (a[i] != b[i]) {
      cout << "No\n";
      exit(0);
    }
  }

  cout << "Yes\n";




  return 0;
}

Subtask #1

0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	324 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	1 ms	208 KB	Output is correct
12	Correct	1 ms	208 KB	Output is correct
13	Correct	1 ms	208 KB	Output is correct
14	Correct	0 ms	328 KB	Output is correct
15	Correct	0 ms	308 KB	Output is correct
16	Correct	0 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	0 ms	208 KB	Output is correct
19	Correct	1 ms	208 KB	Output is correct
20	Incorrect	0 ms	208 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #2

0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	324 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	1 ms	208 KB	Output is correct
12	Correct	1 ms	208 KB	Output is correct
13	Correct	1 ms	208 KB	Output is correct
14	Correct	0 ms	328 KB	Output is correct
15	Correct	0 ms	308 KB	Output is correct
16	Correct	0 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	0 ms	208 KB	Output is correct
19	Correct	1 ms	208 KB	Output is correct
20	Incorrect	0 ms	208 KB	Output isn't correct
21	Halted	0 ms	0 KB	-

Subtask #3

0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	324 KB	Output is correct
10	Correct	1 ms	324 KB	Output is correct
11	Correct	1 ms	208 KB	Output is correct
12	Correct	1 ms	208 KB	Output is correct
13	Correct	1 ms	208 KB	Output is correct
14	Correct	0 ms	328 KB	Output is correct
15	Correct	0 ms	308 KB	Output is correct
16	Correct	0 ms	336 KB	Output is correct
17	Correct	1 ms	336 KB	Output is correct
18	Correct	0 ms	208 KB	Output is correct
19	Correct	1 ms	208 KB	Output is correct
20	Incorrect	0 ms	208 KB	Output isn't correct
21	Halted	0 ms	0 KB	-