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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#403237#6746. Merge the Rectanglesaltaires1AC ✓688ms58944kbC++141.8kb2024-05-01 22:32:192024-05-01 22:32:20

Judging History

你现在查看的是最新测评结果

  • [2024-05-01 22:32:20]
  • 评测
  • 测评结果:AC
  • 用时:688ms
  • 内存:58944kb
  • [2024-05-01 22:32:19]
  • 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 dfs(int x1,int y1,int x2,int y2){
	int judge=0;
	int isEmpty=1;
	for(int i=x1;i<x2;i++){
		auto iter=shu[i].lower_bound({y2,0});
		if(iter==shu[i].end()){
			continue;
		}
		if(iter->second>y1){
			if(iter->second<=y2){
				isEmpty=0;
			}
			continue;
		}
		return dfs(x1,y1,i,y2)& dfs(i+1,y1,x2,y2);
	}
	for(int i=y1;i<y2;i++){
		auto iter=heng[i].lower_bound({x2,0});
		if(iter==heng[i].end()){
			continue;
		}
		if(iter->second>x1){
			if(iter->second<=x2){
				isEmpty=0;
			}
			continue;
		}
		return dfs(x1,y1,x2,i)& dfs(x1,i+1,x2,y2);
	}
	return isEmpty;
}

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= dfs(1,1,m,n);
	if(judge==1){
		cout<<"YES"<<'\n';
	}
	else{
		cout<<"NO"<<'\n';
	}
}

Details

Tip: Click on the bar to expand more detailed information

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: 0
Accepted
time: 0ms
memory: 3924kb

input:

3 3
110
011
01
11
10

output:

NO

result:

ok answer is NO

Test #3:

score: 0
Accepted
time: 53ms
memory: 5896kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #4:

score: 0
Accepted
time: 76ms
memory: 6280kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #5:

score: 0
Accepted
time: 53ms
memory: 6136kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #6:

score: 0
Accepted
time: 46ms
memory: 6112kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #7:

score: 0
Accepted
time: 82ms
memory: 6236kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #8:

score: 0
Accepted
time: 56ms
memory: 6176kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #9:

score: 0
Accepted
time: 46ms
memory: 6052kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #10:

score: 0
Accepted
time: 81ms
memory: 6276kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #11:

score: 0
Accepted
time: 78ms
memory: 6540kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #12:

score: 0
Accepted
time: 84ms
memory: 6320kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #13:

score: 0
Accepted
time: 96ms
memory: 12348kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #14:

score: 0
Accepted
time: 82ms
memory: 6624kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #15:

score: 0
Accepted
time: 82ms
memory: 6420kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #16:

score: 0
Accepted
time: 80ms
memory: 6540kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #17:

score: 0
Accepted
time: 79ms
memory: 6348kb

input:

1500 1500
01111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #18:

score: 0
Accepted
time: 77ms
memory: 6612kb

input:

1500 1500
10111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #19:

score: 0
Accepted
time: 86ms
memory: 6420kb

input:

1500 1500
01111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #20:

score: 0
Accepted
time: 122ms
memory: 13568kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #21:

score: 0
Accepted
time: 107ms
memory: 15100kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #22:

score: 0
Accepted
time: 77ms
memory: 6620kb

input:

1500 1500
01111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #23:

score: 0
Accepted
time: 77ms
memory: 6368kb

input:

1500 1500
10111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #24:

score: 0
Accepted
time: 78ms
memory: 6288kb

input:

1500 1500
01111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #25:

score: 0
Accepted
time: 78ms
memory: 6348kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #26:

score: 0
Accepted
time: 77ms
memory: 6684kb

input:

1500 1500
01111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #27:

score: 0
Accepted
time: 86ms
memory: 6608kb

input:

1500 1500
11011111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #28:

score: 0
Accepted
time: 99ms
memory: 12972kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #29:

score: 0
Accepted
time: 385ms
memory: 40088kb

input:

1500 1500
00010000000000011110111101011011110011001110011110011101111011110111000111000110001101111011110101100011011110111101000011110111101110011110000001111011110111101111011100111100110000010110101111011110110000000001100011101111011000011001111011100110001111011110011101111011110111100000011110...

output:

YES

result:

ok answer is YES

Test #30:

score: 0
Accepted
time: 376ms
memory: 39920kb

input:

1500 1500
11100111101111011110000101000011110011101111001000001101111011110111000100011110110100101000000011001110000110111101110011110111101111011110111001000011110110001111001010110000011011110110001111010010111101111011110111000000001110111101111001010111000111000000110000000011000111000001011110...

output:

YES

result:

ok answer is YES

Test #31:

score: 0
Accepted
time: 371ms
memory: 40268kb

input:

1500 1500
11110111101111011110111101111001110000000111011110111101110011100111101101011000111100000000000111101111011110000001110000010111101000011100111101101001100110001111011110100001111011110101101110011000000001110011110111101110001100111101111011110000100000011010111101111011010111101110000000...

output:

YES

result:

ok answer is YES

Test #32:

score: 0
Accepted
time: 161ms
memory: 19532kb

input:

1500 1500
11100000000000000011100000000000000000000001110000000000000000000000000000000000000000000000001110000000000000000000000000001110000000000000000000011100000000111100000011100000011100000000000000000000000000000000000000000011100000000000000000000000001111000000000000000000000000000000000000...

output:

NO

result:

ok answer is NO

Test #33:

score: 0
Accepted
time: 168ms
memory: 19256kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000111000000000000000000000000000000000000000000000000011100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #34:

score: 0
Accepted
time: 181ms
memory: 19168kb

input:

1500 1500
00011100000001111000000000000011111100000000000000000000000000000000111000000011100000000001110000111111000000000000000001111000000000000000011110000000000000000000000000000000000000111111001110000000000000001111000000000000000111000000000000000000000000000000111000000000000111000000000000...

output:

YES

result:

ok answer is YES

Test #35:

score: 0
Accepted
time: 167ms
memory: 19280kb

input:

1500 1500
00000000000000000011100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001110000000000000000000000000000000011110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011100000...

output:

NO

result:

ok answer is NO

Test #36:

score: 0
Accepted
time: 168ms
memory: 19548kb

input:

1500 1500
00000000011100111100000000000000000000000000000000000000000000000000000111000000000000001110001110000000000001111111101110000000000000000000001111000000011100000000000000000000000000000000000000000011100000111000000000000000001111000000000000000000000000000000000011111000000000000000000000...

output:

NO

result:

ok answer is NO

Test #37:

score: 0
Accepted
time: 160ms
memory: 19300kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000001110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011100000000000000000000000...

output:

YES

result:

ok answer is YES

Test #38:

score: 0
Accepted
time: 170ms
memory: 19284kb

input:

1500 1500
00001110000000000000000011100000000000000000000000000000000111100000000000001111000111000000000000000000000000111000000000000000000000000000000000000000000000000000000000011100000000000000000000000000000111000000000000000000000011100000000011100000000000000001110000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #39:

score: 0
Accepted
time: 168ms
memory: 19252kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000111000000000000000000000000111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

NO

result:

ok answer is NO

Test #40:

score: 0
Accepted
time: 173ms
memory: 19232kb

input:

1500 1500
00000000000000011100000000000000000000000000000000000000011100000011100000000000000011100011100000000000000000000000000000000000000000000000000000111000000001111000000000000000000000000000001111000001110000000000000000001110000000000000000000000000000000000000001111011100011100000000000000...

output:

NO

result:

ok answer is NO

Test #41:

score: 0
Accepted
time: 156ms
memory: 19520kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #42:

score: 0
Accepted
time: 162ms
memory: 19152kb

input:

1500 1500
00011100000001111111000001111111000011110000000111000000000000011100000000111000000000000000001111000000000000000000000000000000011111000011110000000000000111100000000000001110000000011100001111000000001111000000000001111011110000000000000000000000000000011110000000000000000000000001110000...

output:

YES

result:

ok answer is YES

Test #43:

score: 0
Accepted
time: 162ms
memory: 19216kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000001110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011100000000000000000000000000000001110000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

NO

result:

ok answer is NO

Test #44:

score: 0
Accepted
time: 166ms
memory: 19188kb

input:

1500 1500
00001110001110000011110000001111111000000000000111000001110000000000000000000000000000111000000000001110000000011111001111000000000000000000011110000000000111000000001111100000001111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011100000...

output:

NO

result:

ok answer is NO

Test #45:

score: 0
Accepted
time: 164ms
memory: 19336kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #46:

score: 0
Accepted
time: 172ms
memory: 19300kb

input:

1500 1500
00000000000000000000000000000000000001110000000000000000000000000000001110000000000000011100000000000000000111100000000000000000001111000000011100000000000000111100000000000000001110000000000000000000111000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #47:

score: 0
Accepted
time: 155ms
memory: 19464kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000011100000000000000001110000000000001110000000000000000001110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011100...

output:

NO

result:

ok answer is NO

Test #48:

score: 0
Accepted
time: 52ms
memory: 5904kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #49:

score: 0
Accepted
time: 47ms
memory: 5956kb

input:

1500 1500
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...

output:

YES

result:

ok answer is YES

Test #50:

score: 0
Accepted
time: 36ms
memory: 5136kb

input:

750 1500
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #51:

score: 0
Accepted
time: 37ms
memory: 5144kb

input:

1500 750
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

NO

result:

ok answer is NO

Test #52:

score: 0
Accepted
time: 40ms
memory: 5280kb

input:

750 1500
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #53:

score: 0
Accepted
time: 41ms
memory: 5048kb

input:

1500 750
111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #54:

score: 0
Accepted
time: 688ms
memory: 58744kb

input:

1500 1500
11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111...

output:

YES

result:

ok answer is YES

Test #55:

score: 0
Accepted
time: 363ms
memory: 58944kb

input:

1500 1500
01010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101...

output:

YES

result:

ok answer is YES

Test #56:

score: 0
Accepted
time: 249ms
memory: 27680kb

input:

1500 1500
11111111111110110001100000101100100110111111010111111011000111100111111111101111111110011111111111110101111111111111011111111111111111111100001100000001011001011001100001111100110000000000111111111111111111111111111111111111110111111111111111111111111000111111111111000110000011111111100011...

output:

YES

result:

ok answer is YES

Test #57:

score: 0
Accepted
time: 240ms
memory: 27500kb

input:

1500 1500
01101111111000011111111111111111111110011110011101111110000111111001111111111111111111111111111101111011101101111110001101111100001111111111111111111111000001100000110111111111110011001101111111111011100001011111100111101100001111111111111111100001111111111111011111000111111111111111101110...

output:

YES

result:

ok answer is YES