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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#554868#8332. Two in OnehxhhxhWA 0ms3880kbC++14712b2024-09-09 16:48:292024-09-09 16:48:29

Judging History

你现在查看的是最新测评结果

  • [2024-09-09 16:48:29]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3880kb
  • [2024-09-09 16:48:29]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
int n,a[100005],p,q,ans,c[100005];
void doing(){
	scanf("%d",&n);
	for(int i=1;i<=n;i++) c[i]=0;
	for(int i=1;i<=n;i++) scanf("%d",&a[i]),c[a[i]]++;
	p=1;
	for(int i=2;i<=n;i++) if(c[i]>c[p]) p=i;
	q=p,ans=c[p];
	for(int i=1;i<=n;i++){
		if(i==p) continue;
		int a=c[i],b=c[p],o=a&b,d=o?(1<<__lg(o))-1:0;
		if(ans<(a|b|d)) ans=a|b|d,q=i;
	}
	for(int i=1,j=0,k=0;i<=n;i++){
		if(a[i]==p) j++;
		if(a[i]==q) k++;
		if((j|k)==ans){
//			printf("%d\n",ans);
			printf("%d\n%d %d\n%d %d\n",ans,1,i,p,q);
			return;
		}
	}
	printf("%d\n%d %d\n%d %d\n",ans,1,n,p,q);
//	printf("NO qwq\n");
}
int main(){
	int T;
	cin>>T;
	while(T--) doing();
}

Details

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Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3880kb

input:

1
7
1 2 3 4 3 2 1

output:

3
1 6
1 2

result:

wrong answer Output contains longer sequence [length = 5], but answer contains 1 elements