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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#214239#6723. Grid with Arrowsyyyyy3WA 164ms13492kbC++141.7kb2023-10-14 18:09:402023-10-14 18:09:40

Judging History

你现在查看的是最新测评结果

  • [2023-10-14 18:09:40]
  • 评测
  • 测评结果:WA
  • 用时:164ms
  • 内存:13492kb
  • [2023-10-14 18:09:40]
  • 提交

answer


#include<bits/stdc++.h>
#define endl '\n'
#define fast() ios::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr)
#define _ int _T; cin >> _T; while(_T --) 
#define int long long

using namespace std;
const int N = 1e5 + 10;
const int MAX = 1e3 + 10;
int n,m;
string s[N];
vector<int> g[N];
int r[N];
bool st[N];

void bfs(){
	queue<int> q;
	for(int i = 1;i <= n * m;i ++){
		if(!r[i]){
			q.push(i);
			break;
		}
	} int flag = 0;
	if(!q.size()){
		q.push(1);
		flag = 1;
	}
	int ans = 0;
	while(q.size()){
		int t = q.front();
		q.pop();
		if(st[t]) continue;
		st[t] = true;
	//	cout << t << "TTT" << endl;
		ans ++;
		for(auto x : g[t]){
			q.push(x);
		}
		if(t == flag) break;
	}// cout << ans << endl;
	for(int i = 1;i <= n * m;i ++){
		if(!st[i]){
			cout << "NO" << endl;
			return;
		}
	} cout << "YES" << endl;
}

void solve(){
	int pos = 1;
	cin >> n >> m;
	for(int i = 1;i <= n * m;i ++){
		st[i] = false;
		g[i].clear();
		r[i] = 0;
	}
	for(int i = 1;i <= n;i ++){
		cin >> s[i];
	}

	for(int i = 1;i <= n;i ++){
		for(int j = 0;j < m;j ++){
			int a; cin >> a;
			if(s[i][j] == 'r' && j + 1 + a <= m){
				g[pos].push_back(pos + a);
				r[pos + a] ++;
			}
			if(s[i][j] == 'l' && j + 1 - a >= 1){
				g[pos].push_back(pos - a);
				r[pos - a] ++;
			}
			if(s[i][j] == 'u' && i - a >= 1){
				g[pos].push_back(pos - a * m);
				r[pos - a * m] ++;
			}
			if(s[i][j] == 'd'){
				g[pos].push_back(pos + a * m);
				r[pos + a * m] ++;
			}
			pos ++;
		}
	} 
	bfs();
//	for(int i = 1;i <= n * m;i ++){
//		for(auto t : g[i]){
//			cout << t << " " << r[t] << " " << i << " " << t ;
//		} cout << endl;
//	}
}

signed main(){
//	fast();
	_
	solve();
	return 0;
} 

Details

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Test #1:

score: 100
Accepted
time: 2ms
memory: 9096kb

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: 164ms
memory: 13492kb

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:

NO
NO
NO
NO
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
NO
YES
NO
NO
YES
NO
NO
NO
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
NO...

result:

wrong answer expected YES, found NO [1st token]