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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#402791#6746. Merge the Rectanglesaltaires1#WA 52ms6292kbC++141.9kb2024-05-01 14:47:052024-05-01 14:47:05

Judging History

你现在查看的是最新测评结果

  • [2024-05-01 14:47:05]
  • 评测
  • 测评结果:WA
  • 用时:52ms
  • 内存:6292kb
  • [2024-05-01 14:47:05]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;

const int maxn=1600;

set<pair<int,int>> shu[maxn];
set<pair<int,int>> heng[maxn];

string zifu[maxn];

int main(){
	int n,m;
	cin>>n>>m;
	for(int i=1;i<=n-1;i++){
		string s;
		cin>>s;
		s=' '+s;
		pair<int,int> temp={-1,-1};
		for(int j=1;j<=m;j++){
			if(s[j]=='1'){
				if(temp.first==-1){
					temp={j,j};
				}
				else{
					temp.second=j;
				}
			}
			else{
				if(temp.first!=-1){
					heng[i].insert(temp);
				}
				temp.first=-1;
			}
			if(j==m){
				if(temp.first!=-1){
					heng[i].insert(temp);
				}
			}
		}
	}
	for(int i=1;i<=n;i++){
		string temp;
		cin>>temp;
		zifu[i]=' '+temp;
	}
	for(int j=1;j<=m-1;j++){
		pair<int,int> temp={-1,-1};
		for(int i=1;i<=n;i++){
			if(zifu[i][j]=='1'){
				if(temp.first==-1){
					temp={i,i};
				}
				else{
					temp.second=i;
				}
			}
			else{
				if(temp.first!=-1){
					shu[j].insert(temp);
				}
				temp.first=-1;
			}
			if(i==n){
				if(temp.first!=-1){
					shu[j].insert(temp);
				}
			}
		}
	}
	int judge=0;
	for(int j=1;j<=m-1;j++){
		for(auto it : shu[j]){ //找到这样一条线段
			int up=it.first;
			up--;
			if(up==0){
				continue;
			}
			if(heng[up].empty()){
				continue;
			}
			auto iter=heng[up].lower_bound({j,j});
			int left=iter->first;
			int right=iter->second;
			if(left>j){
				continue;
			}
			if(shu[right].empty()){
				continue;
			}
			iter=shu[right].lower_bound({up,up});
			int up1=iter->first;
			int down=iter->second;
			if(down>=it.second){
				continue;
			}
			if(up1>up){
				continue;
			}
			if(heng[down].empty()){
				continue;
			}
			iter=heng[down].lower_bound({j+1,right+1});
			if(iter->first>j+1){
				continue;
			}
			if(iter->second<right+1){
				continue;
			}
			judge=1;
		}
	}
	if(judge==0){
		cout<<"YES"<<'\n';
	}
	else{
		cout<<"NO"<<'\n';
	}
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 3660kb

input:

3 4
0000
0111
101
101
110

output:

YES

result:

ok answer is YES

Test #2:

score: 0
Accepted
time: 1ms
memory: 3692kb

input:

3 3
110
011
01
11
10

output:

NO

result:

ok answer is NO

Test #3:

score: 0
Accepted
time: 52ms
memory: 5912kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #4:

score: 0
Accepted
time: 44ms
memory: 6292kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #5:

score: 0
Accepted
time: 44ms
memory: 5980kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #6:

score: 0
Accepted
time: 44ms
memory: 6040kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #7:

score: -100
Wrong Answer
time: 52ms
memory: 6116kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

wrong answer expected NO, found YES