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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#190187#6130. Plants vs. ZombieswoshiluoWA 112ms4956kbC++20892b2023-09-28 14:29:542023-09-28 14:29:55

Judging History

你现在查看的是最新测评结果

  • [2023-09-28 14:29:55]
  • 评测
  • 测评结果:WA
  • 用时:112ms
  • 内存:4956kb
  • [2023-09-28 14:29:54]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

void solve() {
	int n;
	long long m;
	cin >> n >> m;
	vector<int> a(n);
	for (int i = 0; i < n; i++) {
		cin >> a[i];
	}
	auto check = [&](long long x) {
		vector<long long> ned(n + 1);
		for (int i = 0; i < n; i++) {
			ned[i] = (x + a[i] - 1) / a[i];
		}
		long long need = 0;
		for (int i = 0; i < n; i++) {
			if (i + 1 == n && ned[i] <= 0) {
				break;
			}
			ned[i] -= 1;
			need += 1;
			if (ned[i] > 0) {
				need += ned[i] * 2;
				ned[i + 1] -= ned[i];
				ned[i] = 0;
			}
		}
		return need <= m;
	};
	long long l = 0, r = 1e18;
	while (r - l > 1) {
		long long mid = (l + r) / 2;
		if (check(mid)) {
			l = mid;
		} else {
			r = mid;
		}	
	}
	cout << l << "\n";
}
int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	
	int t;
	cin >> t;
	while (t--) {
		solve();	
	}
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3620kb

input:

2
4 8
3 2 6 6
3 9
10 10 1

output:

6
4

result:

ok 2 number(s): "6 4"

Test #2:

score: -100
Wrong Answer
time: 112ms
memory: 4956kb

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
581298493411633717
1000000000000
740028822...

result:

wrong answer 114th numbers differ - expected: '5910826', found: '581298493411633717'