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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#326436	#6130. Plants vs. Zombies	Lain	WA	112ms	4708kb	C++23	977b	2024-02-13 03:02:19	2024-02-13 03:02:20

Judging History

你现在查看的是最新测评结果

[2024-02-13 03:02:20]
评测

测评结果：WA
用时：112ms
内存：4708kb

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[2024-02-13 03:02:19]
提交

answer

#include "bits/stdc++.h"
using namespace std;

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);

  int tt;
  cin >> tt;
  while(tt--) {
    int n;
    int64_t m;
    cin >> n >> m;
    vector<int64_t> a(n);
    for (auto& x : a) cin >> x;

    auto check = [&](int64_t d)->bool {
      vector<int64_t> ops(n);
      for (int i =0; i < n; i++) {
        ops[i] = (d + a[i] - 1)/a[i];
      }
      int64_t need = 0;
      for (int i = 0; i < n; i++) {
        if (i == n-1 && ops[i] == 0) break;
        need++;
        ops[i]--;
        if (ops[i] <= 0) continue;
        int64_t want = ops[i];
        need += 2*want;
        ops[i] -= want;
        if (i+1 < n) ops[i+1] -= want;
      }
      return need <= m;
    };

    int64_t l = 0, r = 1e18;
    while(l < r) {
      int64_t m = (l+r+1)/2;
      if (check(m)) {
        l = m;
      } else {
        r = m-1;
      }
    }
    cout << l << '\n';
  }
}

Source code, Language: C++23

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 1ms

memory: 3604kb

input:

output:

6
4

result:

ok 2 number(s): "6 4"

Test #2:

score: -100

Wrong Answer

time: 112ms

memory: 4708kb

input:

116
4 0
3 2 6 6
4 1
3 2 6 6
10 19
10 2 8 4 2 4 9 3 3 3
4 8
3 9 3 6
2 19
2 10
11 15
3 1 1 4 3 7 10 8 6 7 10
10 14
8 7 1 1 10 9 2 8 10 7
2 13
2 3
10 10
8 1 6 6 9 4 7 1 8 8
7 14
6 7 4 5 3 1 3
11 6
8 1 10 9 7 2 6 6 1 3 9
4 10
6 1 3 8
7 7
10 6 2 10 4 7 2
5 11
9 10 5 9 2
9 1
2 4 8 6 2 8 8 1 6
4 5
7 2 9 8
...

output:

0
0
4
6
18
3
2
12
1
4
0
4
2
6
0
2
24
3
30
10
0
2
3
0
0
2
6
0
1
6
24
28
1
3
3
0
4
10
6
4
1
5
0
2
0
7
30
2
0
0
16
8
0
30
2
25
4
2
0
0
2
0
2
0
5
2
0
0
0
0
5
0
4
4
28
0
0
21
3
0
2
4
0
0
14
4
6
1
0
5
12
3
8
0
4
0
10
12
5
6
1
6
9
0
725
0
17
132
676
588
110
0
163
581298493411633717
1000000000000
7400288227...

result:

wrong answer 5th numbers differ - expected: '20', found: '18'