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ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#326438	#6130. Plants vs. Zombies	Lain	AC ✓	222ms	4816kb	C++23	1010b	2024-02-13 03:06:12	2024-02-13 03:06:13

Judging History

你现在查看的是最新测评结果

[2024-02-13 03:06:13]
评测

测评结果：AC
用时：222ms
内存：4816kb

查看

[2024-02-13 03:06:12]
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 = m * *min_element(a.begin(), a.end());
    while(l < r) {
      int64_t m = (l+r+1)/2;
      if (check(m)) {
        l = m;
      } else {
        r = m-1;
      }
    }
    cout << l << '\n';
  }
}

源文件, 语言: C++23

详细

Test #1:

score: 100

Accepted

time: 1ms

memory: 3568kb

input:

output:

6
4

result:

ok 2 number(s): "6 4"

Test #2:

score: 0

Accepted

time: 89ms

memory: 4788kb

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
20
3
2
14
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
4
3
0
4
10
6
4
1
5
0
2
0
7
30
2
0
0
16
8
0
30
2
30
4
2
0
0
2
0
2
0
5
2
0
0
0
0
5
0
4
6
28
0
0
21
3
0
2
4
0
0
14
4
6
1
0
5
14
3
8
0
4
0
10
12
5
8
1
6
12
0
725
0
17
132
676
588
110
0
163
5910826
1000000000000
16561021906

result:

ok 116 numbers

Test #3:

score: 0

Accepted

time: 222ms

memory: 4816kb

input:

2110
4 0
3 2 6 6
4 1
3 2 6 6
2 7
3 9
28 82
68 27 32 98 88 19 96 37 53 50 45 37 41 92 51 70 73 84 2 53 7 89 9 59 24 23 62 97
22 145
61 22 87 34 75 89 22 6 10 74 21 35 33 23 85 66 89 46 16 48 2 48
25 146
67 63 93 98 1 70 57 45 40 15 1 5 54 38 96 19 94 18 43 98 28 45 47 92 46
21 26
83 54 21 72 25 47 2 ...

output:

result:

ok 2110 numbers