QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #499593 | #6723. Grid with Arrows | Railgun2334 | WA | 155ms | 15248kb | C++20 | 2.0kb | 2024-07-31 16:02:55 | 2024-07-31 16:02:56 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pll pair<ll,ll>
#define pii pair<int,int>
#define ull unsigned long long
void solve()
{
int n,m;
int ans1=0,ans2=0;
cin>>n>>m;
getchar();
vector<vector<int>>a(n+1,vector<int>(m+1));
vector<vector<int>>flag(n+1,vector<int>(m+1));
vector<vector<bool>>ff(n+1,vector<bool>(m+1));
vector<vector<char>>s(n+1,vector<char>(m+1));
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
cin>>s[i][j];
}
getchar();
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
cin>>a[i][j];
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
int x=i,y=j;
if(s[x][y]=='r')
{
int dy=y+a[x][y];
if(dy<=m)
{
flag[x][dy]++;
}
}
else if(s[x][y]=='l')
{
int dy=y-a[x][y];
if(dy>=1)
{
flag[x][dy]++;
}
}
else if(s[x][y]=='d')
{
int dx=x+a[x][y];
if(dx<=n)
{
flag[dx][y]++;
}
}
else if(s[x][y]=='u')
{
int dx=x-a[x][y];
if(dx>=1)
{
flag[dx][y]++;
}
}
}
}
int xx=0,yy=0,sum=0;
int f=0;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
if(flag[i][j]==flag[1][1])
f++;
if(flag[i][j]==0)
{
xx=i;
yy=j;
sum++;
}
}
}
if(f==n*m)
{
cout<<"Yes"<<endl;
return;
}
if(sum>=2)
{
cout<<"No"<<endl;
return;
}
int ans=0;
while(!ff[xx][yy])
{
ans++;
ff[xx][yy]=true;
if(s[xx][yy]=='r')
{
int dy=yy+a[xx][yy];
if(dy<=m)
{
yy=dy;
}
}
else if(s[xx][yy]=='l')
{
int dy=yy-a[xx][yy];
if(dy>=1)
{
yy=dy;
}
}
else if(s[xx][yy]=='d')
{
int dx=xx+a[xx][yy];
if(dx<=n)
{
xx=dx;
}
}
else if(s[xx][yy]=='u')
{
int dx=xx-a[xx][yy];
if(dx<=1)
{
xx=dx;
}
}
}
if(ans==n*m)
{
cout<<"Yes"<<endl;
}
else
{
cout<<"No"<<endl;
}
}
int main()
{
ll T = 1;
cin>>T;
while (T--)
{
solve();
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3476kb
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: 155ms
memory: 15248kb
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 Yes Yes Yes No Yes No Yes Yes No Yes No Yes No No No Yes Yes Yes No No No Yes Yes No No Yes No Yes No No No No Yes Yes Yes No Yes Yes No No Yes Yes Yes Yes Yes Yes No Yes No No No Yes Yes Yes Yes Yes Yes No Yes Yes Yes Yes Yes No No No Yes No No Yes Yes Yes No Yes Yes Yes Yes ...
result:
wrong answer expected YES, found NO [7th token]