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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
#692548#6130. Plants vs. Zombiesucup-team3294#WA 86ms4720kbC++23850b2024-10-31 14:41:222024-10-31 14:42:13

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 14:42:13]
  • 评测
  • 测评结果:WA
  • 用时:86ms
  • 内存:4720kb
  • [2024-10-31 14:41:22]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define PII pair<int,int>
#define x first
#define y second
void solve() {
	int n,m;
	cin>>n>>m;
	vector<int> a(n+10);
	for(int i=1;i<=n;i++){
		cin>>a[i];
	}
	int l=0,r=1e18;
	vector<int> c(n+10);
	auto check=[&](int x)->bool{
		for(int i=1;i<=n;i++){
			c[i]=(x+a[i]-1)/a[i];
		}
		int sum=1;
		if(c[1]) c[1]--;
		for(int i=1;i<n;i++){
			if(c[i]>0){
				sum+=2*c[i]+1;
				c[i+1]=c[i+1]-c[i]-1;
			}else {
				sum++;
				c[i+1]--;
			}
			if(sum>m) return 0;
		}
		if(c[n]>0) sum+=2*c[n]; 
		return sum<=m;
	};
	while(l<r){
		int mid=l+r+1>>1;
		if(check(mid)) l=mid;
		else r=mid-1;
	}
	cout<<l<<"\n";
}
signed main() {
	ios::sync_with_stdio(0);
	cin.tie(0),cout.tie(0);
	int T=1;
	cin>>T;
	while(T--) {
		solve();
	}
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3648kb

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: 86ms
memory: 4720kb

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
1
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
5910826
1000000000000
16561021906

result:

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