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ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#243213	#6723. Grid with Arrows	gzzz^#	WA	59ms	10468kb	C++20	1.6kb	2023-11-07 22:08:54	2023-11-07 22:08:55

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你现在查看的是最新测评结果

[2023-11-07 22:08:55]
评测

测评结果：WA
用时：59ms
内存：10468kb

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[2023-11-07 22:08:54]
提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int maxn=1e5+10;
string mp[maxn];
vector<vector<int> > s;
int in[maxn],out[maxn],fa[maxn];
int find(int x){
	if(fa[x]==x) {
		return x;
	}
	return fa[x]=find(fa[x]);
}
void unit(int x,int y){
	fa[find(x)]=find(y);
}
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	int t;cin>>t;
	while(t--) {
		int n,m;
		cin>>n>>m;
		for(int i=0;i<n*m;i++){
			fa[i]=i;
		}
		s.clear();
		for(int i=0;i<n;i++){
			mp[i].clear();
			cin>>mp[i];
		}
		for(int i=1;i<=n;i++){
			vector<int> tmp;
			for(int j=1;j<=m;j++){
				int x;cin>>x;
				tmp.push_back(x);
			}
			s.push_back(tmp);
		}
		for(int i=0;i<n;i++){
			for(int j=0;j<m;j++){
				int fr=i*m+j;
				int tox=i,toy=j;
				if(mp[i][j]=='r') {
					toy+=s[i][j];
				}
				else if(mp[i][j]=='l'){
					toy-=s[i][j];
				}
				else if(mp[i][j]=='u'){
					tox-=s[i][j];
				}
				else {
					tox+=s[i][j];
				}
				if(tox<0||tox>=n||toy<0||toy>=m) {
					continue;
				}
				else {
					int to=tox*m+toy;
					in[to]++;
					out[fr]++;
					unit(fr,to);
				}
			}
		}
		int num1=0,num2=0; 	
		for(int i=0;i<=(n-1)*m+(m-1);i++){
			if(in[i]>out[i]) {
				num1++;
			}
			else if(out[i]>in[i]){
				num2++;
			}
		}
		if(num1!=num2){
			cout<<"No\n";
		}
		else {
			if(num1==1||num1==0) {
				bool flag=true;
				for(int i=1;i<n*m&&flag;i++){
					if(find(i)!=find(0)) {
						flag=false;
					}
				}
				if(flag) cout<<"Yes\n";
				else cout<<"No\n";
			}
			else {
				cout<<"No\n";
			}
		}
	}
}

Source code, Language: C++20

Details

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Test #1:

score: 100

Accepted

time: 1ms

memory: 6748kb

input:

2
2 3
rdd
url
2 1 1
1 1 2
2 2
rr
rr
1 1
1 1

output:

Yes
No

result:

ok 2 token(s): yes count is 1, no count is 1

Test #2:

score: -100

Wrong Answer

time: 59ms

memory: 10468kb

input:

1109
5 8
rddddldl
drruludl
rrldrurd
urrrlluu
uurrulrl
4 4 1 2 4 3 1 6
1 3 5 1 1 1 3 6
2 4 1 1 2 1 1 1
2 3 4 2 4 3 3 3
4 1 1 2 2 5 1 5
7 9
rdrddrdll
urrdruldl
ruullrulu
drrlrlddl
rrrdddlll
ruulururl
ruurrlluu
7 1 1 1 2 1 2 3 6
1 7 3 1 3 1 2 1 8
2 2 1 2 4 3 1 2 2
2 2 4 1 1 5 3 3 1
3 4 6 1 2 1 2 7 7
6 ...

output:

Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No...

result:

wrong answer expected YES, found NO [5th token]