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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
#740201#5417. Chat ProgramNULL_SFWA 40ms8384kbC++17922b2024-11-13 03:38:312024-11-13 03:38:32

Judging History

你现在查看的是最新测评结果

  • [2024-11-13 03:38:32]
  • 评测
  • 测评结果:WA
  • 用时:40ms
  • 内存:8384kb
  • [2024-11-13 03:38:31]
  • 提交

answer

#include <iostream>

#define int long long

using namespace std;

int a[200003],suf[200003],big[200003];
int n,k,m,c,d;

bool check(int mid)
{
	for(int i=0;i<=n+1;i++){
		suf[i]=0;
	}
	
	big[0]=0;
	for(int i=1;i<=n;i++){
		int del;
		if(d) del=min(m,max(0ll,(mid-(a[i]+c)+d-1)/d));
		else del=(mid<=a[i]+c)?0:m;
		
		suf[min(n-m+1,max(1ll,i-m+1))]++;
		suf[min(n-m+2,max(1ll,i-del+1))]--;
		
		big[i]=big[i-1]+(a[i]>=mid);
	}
	
	
	for(int i=1;i<=n+1;i++){
		suf[i]+=suf[i-1];
	}
	
	int cnt=0;
	for(int i=1;i<=n-m+1;i++){
		cnt=max(cnt,big[i-1]+suf[i]+(big[n]-big[i+m-1]));
	}
	
	return cnt>=k;
}

signed main()
{
	ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
	
	cin>>n>>k>>m>>c>>d;
	for(int i=1;i<=n;i++){
		cin>>a[i];
	}
	
	int l=0,r=1e9;
	while(l<r)
	{
		int mid=(l+r+1)/2;
		
		if(check(mid)) l=mid;
		else r=mid-1;
	}
	
	cout<<l<<'\n';
	
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 5672kb

input:

6 4 3 1 2
1 1 4 5 1 4

output:

4

result:

ok 1 number(s): "4"

Test #2:

score: 0
Accepted
time: 1ms
memory: 5668kb

input:

7 3 2 4 0
1 9 1 9 8 1 0

output:

9

result:

ok 1 number(s): "9"

Test #3:

score: 0
Accepted
time: 1ms
memory: 7628kb

input:

8 3 5 0 0
2 0 2 2 1 2 1 8

output:

2

result:

ok 1 number(s): "2"

Test #4:

score: 0
Accepted
time: 32ms
memory: 8368kb

input:

200000 200000 100000 0 1000000000
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

output:

0

result:

ok 1 number(s): "0"

Test #5:

score: -100
Wrong Answer
time: 40ms
memory: 8384kb

input:

200000 1 100000 1000000000 1000000000
1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 1000000000 100000000...

output:

1000000000

result:

wrong answer 1st numbers differ - expected: '100001000000000', found: '1000000000'