QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #259492 | #6723. Grid with Arrows | Zhou_JK | WA | 1ms | 3728kb | C++23 | 2.1kb | 2023-11-20 23:32:05 | 2023-11-20 23:32:06 |
Judging History
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;
}
int tot;
void solve()
{
cin>>n>>m;
tot++;
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";
if(tot==295)
{
cout<<n<<","<<m<<",";
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
cout<<s[get_id(i,j)]<<",";
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
cout<<a[get_id(i,j)]<<",";
cout<<cnt;
exit(0);
}
return;
}
cnt=0;
dfs(1);
if(tot==295)
{
cout<<n<<","<<m<<",";
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
cout<<s[get_id(i,j)]<<",";
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
cout<<a[get_id(i,j)]<<",";
cout<<cnt;
exit(0);
}
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;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3572kb
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: 1ms
memory: 3728kb
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 No 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 Y...
result:
wrong answer expected NO, found YES [295th token]