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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#202170 | #4432. Jungle Trail | Forever_Young# | WA | 106ms | 45940kb | C++23 | 1.9kb | 2023-10-05 20:25:34 | 2023-10-05 20:25:34 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=1;i<=n;i++)
#define per(i,n) for(int i=n;i>=1;i--)
#define mp make_pair
#define pb push_back
int n,m;
char s[2100][2100];
bool f[2100][2100];
int row[2100],col[2100];
pair<int,int> pre[2100][2100];
int main()
{
int T;
cin>>T;
while (T--)
{
scanf("%d%d",&n,&m);
rep(i,n)scanf("%s",s[i]+1);
rep(i,n)rep(j,m)f[i][j]=0;
if (f[1][1]!='#')f[1][1]=1;
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
{
if (i==1 && j==1)
if (f[1][1]!='#')f[1][1]=1;
if (i>1 && f[i-1][j]==1)pre[i][j]=mp(i-1,j),f[i][j]=1;
if (i>1 && f[i][j-1]==1)pre[i][j]=mp(i,j-1),f[i][j]=1;
if (s[i][j]=='#')f[i][j]=0;
}
if (f[n][m]==0)puts("NIE");
else
{
puts("TAK");
static vector<char> ans; ans.clear();
int nowx=n,nowy=m;
while (nowx!=1 || nowy!=1)
{
if (nowx==pre[nowx][nowy].first)ans.pb('P'); else ans.pb('D');
tie(nowx,nowy)=pre[nowx][nowy];
}
reverse(ans.begin(),ans.end());
nowx=1,nowy=1;
for(int i=1;i<=n;i++)row[i]=-1;
for(int i=1;i<=m;i++)col[i]=-1;
if (s[1][1]=='@')row[1]=1;
for(auto p:ans)
{
if (p=='P')nowy++; else nowx++;
int f; if (s[nowx][nowy]=='@')f=1;
if (row[nowx]==1)f^=1;
if (col[nowy]==1)f^=1;
if (f)
{
if (p=='D')row[nowx]=1;
else col[nowy]=1;
}
}
for(int i=1;i<=n;i++)if (row[i]==1)putchar('T'); else putchar('N'); puts("");
for(int i=1;i<=m;i++)if (col[i]==1)putchar('T'); else putchar('N'); puts("");
/*for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
if (s[i][j]=='.' || s[i][j]=='#'){ putchar(s[i][j]); continue; }
int f; if (s[i][j]=='@')f=1; else f=0;
if (row[i]==1)f^=1;
if (col[j]==1)f^=1;
if (f==1)putchar('@'); else putchar('O');
}
puts("");
}*/
for(auto p:ans)putchar(p); puts("");
}
}
}
Details
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Test #1:
score: 0
Wrong Answer
time: 106ms
memory: 45940kb
input:
486 4 5 ..#.. @@O@@ ##@#O ..@.@ 2 2 OO OO 2 2 @@ @@ 2 2 @@ #@ 2 2 @O #@ 2 2 @@ OO 2 2 O# @O 2 2 @# #@ 2 2 @. .@ 2 2 @# .O 2 2 OO .O 10 10 @O@O#O@@@# OO#@#@@#OO #@#@#O##O@ OO##@@O#@O O##@@#@O#@ OO@OO@@@O@ @O#@#@O#@O @OOOOO@##. O@OOO##O@@ OO@@OOOO#@ 10 10 @@#OOO#O@@ #@@OO@@.O@ #.O@@O#@@O OO@@#O@#O@ .#...
output:
TAK NTNN NNTNT DPPDDPP TAK NT NN DP TAK TT NN DP NIE NIE TAK TN NN DP TAK NT NN DP NIE TAK TN NT DP TAK TT NN DP TAK NN NN DP NIE NIE TAK NTTTTTTTTN NNNNTNTTTT DDDDDPDDDPPPPPDPPP TAK NTTTNNTNNT NNTTNTNNNT DDDPPDPDDDDDPPPPPP TAK NTTTNNNTTN NNNNNNTNNN DDDPPDDPDPDPPPDPPD NIE TAK TTTTTTTTTT NNNNNTNNNN D...
result:
wrong answer you dead (test case 2)