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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#403047#6746. Merge the Rectanglesaltaires1WA 1ms3996kbC++142.8kb2024-05-01 19:54:572024-05-01 19:54:57

Judging History

你现在查看的是最新测评结果

  • [2024-05-01 19:54:57]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:3996kb
  • [2024-05-01 19:54:57]
  • 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(){
	//freopen("5.txt","r",stdin);
	//freopen("144.out","w",stdout);
	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.first=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.first=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.second;
	//		up--;
	//		if(up==0){
	//			continue;
	//		}
	//		if(heng[up].empty()){
	//			continue;
	//		}
	//		auto iter=heng[up].lower_bound({j+1,0});
	//		if(iter==heng[up].end()){
	//			continue;
	//		}
	//		int left=iter->second;
	//		int right=iter->first;
	//		if(left>j){
	//			continue;
	//		}
	//		if(shu[right].empty()){
	//			continue;
	//		}
	//		iter=shu[right].lower_bound({up+1,0});
	//		if(iter==shu[right].end()){
	//			continue;
	//		}
	//		int up1=iter->second;
	//		if(up1>up){
	//			continue;
	//		}
	//		int down=iter->first;
	//		if(down>=it.first){
	//			continue;
	//		}
	//		if(heng[down].empty()){
	//			continue;
	//		}
	//		iter=heng[down].lower_bound({right+1,0});
	//		if(iter==heng[down].end()){
	//			continue;
	//		}
	//		if(iter->second!=j+1){
	//			continue;
	//		}
	//		if(iter->first<right+1){
	//			continue;
	//		}
	//		judge=1;
	//	}
	//}

	for(int j=1;j<=m-1;j++){
		for(auto it : shu[j]){ //找到这样一条线段
			int down=it.first;
			auto iter=heng[down].lower_bound({j+1,0});
			if(iter==heng[down].end()){
				continue;
			}
			if(it.second>j){
				continue;
			}
			int right=it.first;
			iter=shu[right].lower_bound({down+1,0});
			if(iter==shu[right].end()){
				continue;
			}
			if(iter->second>down){
				continue;
			}
			int up=iter->second;
			if(up<=it.second){
				continue;
			}
			up--;
			iter=heng[up].lower_bound({right+1,0});
			int left=iter->second;
			if(left!=j+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: 1ms
memory: 3996kb

input:

3 4
0000
0111
101
101
110

output:

YES

result:

ok answer is YES

Test #2:

score: -100
Wrong Answer
time: 0ms
memory: 3920kb

input:

3 3
110
011
01
11
10

output:

YES

result:

wrong answer expected NO, found YES