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Submission #495552

# Submission time Handle Problem Language Result Execution time Memory
495552 2021-12-19T10:42:08 Z 600Mihnea Remittance (JOI19_remittance) C++17
100 / 100
 236 ms 16928 KB 
#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) {
        if (a[i] - (extra + 1) / 2 * 2 >= 0) {
          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
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 0 ms 204 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 1 ms 316 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 1 ms 316 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 0 ms 320 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 0 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 0 ms 204 KB Output is correct
52 Correct 0 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 1 ms 204 KB Output is correct
55 Correct 0 ms 332 KB Output is correct
56 Correct 0 ms 204 KB Output is correct
57 Correct 1 ms 332 KB Output is correct
58 Correct 0 ms 204 KB Output is correct
59 Correct 0 ms 332 KB Output is correct
60 Correct 0 ms 204 KB Output is correct
61 Correct 0 ms 204 KB Output is correct
62 Correct 0 ms 204 KB Output is correct

Subtask #3
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 332 KB Output is correct
25 Correct 1 ms 300 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 0 ms 204 KB Output is correct
33 Correct 1 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 0 ms 204 KB Output is correct
37 Correct 0 ms 204 KB Output is correct
38 Correct 0 ms 204 KB Output is correct
39 Correct 1 ms 316 KB Output is correct
40 Correct 0 ms 204 KB Output is correct
41 Correct 1 ms 316 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 1 ms 204 KB Output is correct
45 Correct 1 ms 204 KB Output is correct
46 Correct 0 ms 320 KB Output is correct
47 Correct 0 ms 204 KB Output is correct
48 Correct 0 ms 204 KB Output is correct
49 Correct 0 ms 204 KB Output is correct
50 Correct 0 ms 204 KB Output is correct
51 Correct 0 ms 204 KB Output is correct
52 Correct 0 ms 204 KB Output is correct
53 Correct 1 ms 204 KB Output is correct
54 Correct 1 ms 204 KB Output is correct
55 Correct 0 ms 332 KB Output is correct
56 Correct 0 ms 204 KB Output is correct
57 Correct 1 ms 332 KB Output is correct
58 Correct 0 ms 204 KB Output is correct
59 Correct 0 ms 332 KB Output is correct
60 Correct 0 ms 204 KB Output is correct
61 Correct 0 ms 204 KB Output is correct
62 Correct 0 ms 204 KB Output is correct
63 Correct 217 ms 15932 KB Output is correct
64 Correct 107 ms 16836 KB Output is correct
65 Correct 211 ms 16000 KB Output is correct
66 Correct 113 ms 16836 KB Output is correct
67 Correct 109 ms 16808 KB Output is correct
68 Correct 121 ms 16888 KB Output is correct
69 Correct 236 ms 15908 KB Output is correct
70 Correct 105 ms 16852 KB Output is correct
71 Correct 154 ms 16812 KB Output is correct
72 Correct 125 ms 16840 KB Output is correct
73 Correct 182 ms 15904 KB Output is correct
74 Correct 103 ms 16824 KB Output is correct
75 Correct 133 ms 16928 KB Output is correct
76 Correct 128 ms 16784 KB Output is correct
77 Correct 186 ms 15992 KB Output is correct
78 Correct 163 ms 16664 KB Output is correct
79 Correct 147 ms 16612 KB Output is correct
80 Correct 142 ms 16716 KB Output is correct
81 Correct 172 ms 16600 KB Output is correct
82 Correct 93 ms 16708 KB Output is correct
83 Correct 92 ms 16652 KB Output is correct
84 Correct 85 ms 16528 KB Output is correct
85 Correct 202 ms 15940 KB Output is correct
86 Correct 230 ms 15864 KB Output is correct
87 Correct 175 ms 16464 KB Output is correct
88 Correct 165 ms 16348 KB Output is correct