QOJ.ac

QOJ

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
#259479	#6723. Grid with Arrows	Zhou_JK	WA	44ms	4920kb	C++23	1.5kb	2023-11-20 23:21:35	2023-11-20 23:21:35

Judging History

你现在查看的是最新测评结果

[2023-11-20 23:21:35]
评测

测评结果：WA
用时：44ms
内存：4920kb

查看

[2023-11-20 23:21:35]
提交

answer

#include<iostream>
#include<cstdio>
#include<vector>
using namespace std;
const int N=100005;
int n,m;
char s[N];
int a[N];
int get_id(int x,int y)
{
    return (x-1)*m+y;
}
int to[N];
int deg[N];
bool vis[N];
int cnt;
void dfs(int u)
{
    vis[u]=true;
    cnt++;
    int v=to[u];
    if(!vis[v]) dfs(v);
    return;
}
void solve()
{
    cin>>n>>m;
    for(int i=1;i<=n;i++)
        for(int j=1;j<=m;j++)
            cin>>s[get_id(i,j)];
    for(int i=1;i<=n;i++)
        for(int j=1;j<=m;j++)
            cin>>a[get_id(i,j)];
    fill(deg+1,deg+n*m+1,0);
    for(int i=1;i<=n;i++)
        for(int j=1;j<=m;j++)
        {
            int x=i,y=j;
            if(s[get_id(i,j)]=='u') x=i-a[get_id(i,j)],y=j;
            else if(s[get_id(i,j)]=='d') x=i+a[get_id(i,j)],y=j;
            else if(s[get_id(i,j)]=='l') x=i,y=j-a[get_id(i,j)];
            else if(s[get_id(i,j)]=='r') x=i,y=j+a[get_id(i,j)];
            if(x<1||x>n||y<1||y>m) continue;
            to[get_id(i,j)]=get_id(x,y);
            deg[get_id(x,y)]++;
        }
    fill(vis+1,vis+n*m+1,false);
    for(int i=1;i<=n*m;i++)
        if(deg[i]==0)
        {
            cnt=0;
            dfs(i);
            if(cnt==n*m) cout<<"Yes\n";
            else cout<<"No\n";
            return;
        }
    dfs(1);
    if(cnt==n*m) cout<<"Yes\n";
    else cout<<"No\n";
    return;
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr),cout.tie(nullptr);
    int T;
    cin>>T;
    while(T--)
        solve();
    return 0;
}

源文件, 语言: C++23

详细

Test #1:

score: 100

Accepted

time: 0ms

memory: 3392kb

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: 44ms

memory: 4920kb

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
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
N...

result:

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