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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
#499676	#6723. Grid with Arrows	Umok	WA	159ms	20800kb	C++20	2.2kb	2024-07-31 16:54:51	2024-07-31 16:54:52

Judging History

你现在查看的是最新测评结果

[2024-07-31 16:54:52]
评测

测评结果：WA
用时：159ms
内存：20800kb

查看

[2024-07-31 16:54:51]
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];
vector<int> st[N];
int n, m, d[N];
int finds(int x)
{
    return f[x] == x ? f[x] : f[x] = finds(f[x]);
}
PII find(int x, int y)
{
    int xx = x, yy = y;
    if (mp[x][y] == 'r')
        yy += ar[x][y];
    else if (mp[x][y] == 'd')
        xx += ar[x][y];
    else if (mp[x][y] == 'l')
        yy -= ar[x][y];
    else
        xx -= ar[x][y];
    if (xx < 1 || xx > n || yy < 0 || yy > m)
        return {0, 0};
    return {xx, yy};
}

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

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

    int num = 1;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            st[i][j] = num++;

    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
        {
            int a = st[i][j];
            auto q = find(i, j);
            if(q.first<1 || q.second < 1)
                continue;
            int b = st[q.first][q.second];
            f[finds(a)] = finds(b);
            d[b]++;
        }
    for (int i = 1; i <= ans; i++)
        finds(i);

    int x = finds(1);
    for (int i = 2; i <= ans; i++)
    {
        if (finds(i) != x)
        {
            puts("No");
            return;
        }
    }
    int res = 0;
    for (int i = 1; i <= ans; i++)
    {
        if (!d[i])
            res++;
        if (res > 1)
        {
            cout << "No" << endl;
            return;
        }
    }
    cout << "Yes" << endl;
}
signed main()
{
    int tcase;
    cin >> tcase;
    while (tcase--)
        solve();
    return 0;
}

源文件, 语言: C++20

詳細信息

Test #1:

score: 100

Accepted

time: 2ms

memory: 6928kb

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: 159ms

memory: 20800kb

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

result:

wrong answer expected NO, found YES [43rd token]