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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#384439#6723. Grid with ArrowsMayuriWA 0ms3868kbC++142.1kb2024-04-09 23:51:262024-04-09 23:51:26

Judging History

你现在查看的是最新测评结果

  • [2024-04-09 23:51:26]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3868kb
  • [2024-04-09 23:51:26]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define endl '\n'
const ll mod = 1e9 + 7;
ll t;
ll n, m;

int main()//b
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	ll t; cin >> t;
	while (t--) {
		cin >> n >> m;
		vector<vector<char>>f(n + 1, vector<char>(m + 1));
		for (ll i = 1; i <= n; i++) {
			for (ll j = 1; j <= m; j++) {
				cin >> f[i][j];
			}
		}
		vector<vector<ll>>a(n + 1, vector<ll>(m + 1));
		for (ll i = 1; i <= n; i++) {
			for (ll j = 1; j <= m; j++) {
				cin >> a[i][j];
			}
		}
		vector<vector<ll>> dp(n + 1, vector<ll>(m + 1, -1));
		vector<vector<ll>>scc(n + 1, vector<ll>(m + 1, -1));
		vector<ll> sz(n * m + 1);
		ll cnt = 0;
		function<void(ll, ll)> fdfs = [&](ll x, ll y) -> void {
			if (x <= 0 || y <= 0 || x > n || y >m) {
				sz[cnt] = 0;
				return;
			}
			if (scc[x][y] != -1)return;
			scc[x][y] = cnt;
			sz[cnt]++;
			ll dx = 0, dy = 0;
			if (f[x][y] == 'l')dx = 0, dy = -1;
			if (f[x][y] == 'u')dx = -1, dy = 0;
			if (f[x][y] == 'r')dx = 0, dy = 1;
			if (f[x][y] == 'd')dx = 1, dy = 0;
			fdfs(x + dx * a[x][y], y + dy * a[x][y]);
			};
		function<ll(ll, ll)> dfs = [&](ll x, ll y) -> ll {
			if (x < 0 || y < 0 || x > n || y >m)return 0;
			ll& ans = dp[x][y];
			if (sz[scc[x][y]] != 0) {
				return ans = sz[scc[x][y]];
			}
			if (ans != -1)return ans;
			ans = 0;
			ll dx = 0, dy = 0;
			if (f[x][y] == 'l')dx = 0, dy = -1;
			if (f[x][y] == 'u')dx = -1, dy = 0;
			if (f[x][y] == 'r')dx = 0, dy = 1;
			if (f[x][y] == 'd')dx = 1, dy = 0;
			ans = dfs(x + dx * a[x][y], y + dy * a[x][y]) + 1;
			//cout << x << " " << y << " " << ans << endl;
			return ans;
		};
		for (ll i = 1; i <= n; i++) {
			for (ll j = 1; j <= m; j++) {
				if (scc[i][j] == -1) {
					cnt++;
					fdfs(i, j);
				}
			}
		}
		ll ans = 0;
		for (ll i = 1; i <= n; i++) {
			for (ll j = 1; j <= m; j++) {
				ans = max(ans, dfs(i, j));
				cout << dfs(i, j) << " ";
			}cout << endl;
		}
		if (ans == n * m) {
			cout << "yes" << endl;
		}
		else cout << "no" << endl;
	}
}

详细

Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3868kb

input:

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

output:

4 2 4 
4 2 4 
no
2 1 
2 1 
no

result:

wrong output format YES or NO expected, but 4 found [1st token]