QOJ.ac

QOJ

ID	Problem	Submitter	Result	Time	Memory	Language	File size	Submit time	Judge time
#499738	#6723. Grid with Arrows	Umok	WA	219ms	16608kb	C++20	1.8kb	2024-07-31 18:35:39	2024-07-31 18:35:39

Judging History

你现在查看的是最新测评结果

[2024-07-31 18:35:39]
评测

测评结果：WA
用时：219ms
内存：16608kb

查看

[2024-07-31 18:35:39]
提交

answer

#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
const int N = 1e5 + 5;
#define int long long
typedef pair<int, int> PII;
#define MAX LONG_LONG_MAX
string mp[N];
vector<int> ar[N];
int f[N];
bool st[N];
int n, m, ans;

int xx(int x, int y)
{
    return (x - 1) * m + y;
}

int dfs(int x, int y, int deep)
{
    if (st[xx(x, y)])
        return 0;
    f[xx(x, y)] = 1;
    if (deep == ans)
    {
        return 1;
    }

    int a = x, b = y;
    if (mp[x][y] == 'u')
        a -= ar[x][y];
    else if (mp[x][y] == 'r')
        b += ar[x][y];
    else if (mp[x][y] == 'd')
        a += ar[x][y];
    else
        b -= ar[x][y];
    if (a < 1 || a > n || b < 0 || b > m)
        return 0;
    st[xx(x, y)] = 1;
    if (dfs(a, b, deep + 1))
        return 1;
    st[xx(x, y)] = 0;
    return 0;
}

void solve()
{
    cin >> n >> m;
    ans = n * m;
    for (int i = 1; i <= ans; i++)
        f[i] = 0;
    for (int i = 1; i <= n; i++)
        st[i] = 0;
    for (int i = 1; i <= n; i++)
    {
        cin >> mp[i];
        mp[i] = " " + mp[i];
    }
    
    for (int i = 1; i <= n; i++)
    {
        ar[i].clear();
        ar[i].push_back(0);
        int x;
        for (int j = 1; j <= m; j++)
        {
            cin >> x;
            ar[i].push_back(x);
            f[i] = 0;
        }
    }

    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
        {
            if (f[xx(i, j)])
                continue;
            bool z = dfs(i, j, 1);
            if (z)
            {
                cout << "Yes" << endl;
                return;
            }
        }

    cout << "No" << endl;
}
signed main()
{
    int tcase;
    cin >> tcase;
    while (tcase--)
        solve();
    return 0;
}

Source code, Language: C++20

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100

Accepted

time: 2ms

memory: 7252kb

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: 219ms

memory: 16608kb

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

result:

wrong answer expected YES, found NO [7th token]