QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#268266 | #7733. Cool, It’s Yesterday Four Times More | XeQuadF# | WA | 4ms | 5852kb | C++14 | 1.9kb | 2023-11-28 14:41:03 | 2023-11-28 14:41:05 |
Judging History
answer
#include<bits/stdc++.h>
#define N 1005
using namespace std;
#define Ms(a,b) memset(a,b,sizeof a)
#define db(x) cerr<<#x<<"="<<x<<endl;
#define db2(x,y) cerr<<#x<<"="<<x<<" "<<#y<<"="<<y<<endl;
#define db3(x,y,z) cerr<<#x<<"="<<x<<" "<<#y<<"="<<y<<" "<<#z<<"="<<z<<endl;
int rd(){
int res=0,c,f=0;
while(!isdigit(c=getchar()))f=c=='-';
do res=(res<<1)+(res<<3)+(c^48);
while(isdigit(c=getchar()));
return f?-res:res;
}
int T,n,m;
char s[N][N];
int vis[N][N],tik;
bitset<4005>mp[N];
const int dx[]={0,0,-1,1};
const int dy[]={-1,1,0,0};
int main(){
T=rd();
while(T--){
n=rd(),m=rd();
int tot=0;
for(int i=1;i<=n;i++)scanf("%s",s[i]+1);
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
if(s[i][j]=='O')continue;
queue<pair<int,int>>q;
q.push(make_pair(i,j));
++tik;
mp[++tot]=0;
while(!q.empty()){
auto x=q.front().first,y=q.front().second;q.pop();
for(int t=0;t<4;t++){
int nx=x+dx[t];
int ny=y+dy[t];
if(nx<1||nx>n||ny<1||ny>m)continue;
if(s[nx][ny]=='O')continue;
if(vis[nx][ny]==tik)continue;
vis[nx][ny]=tik;
mp[tot][(nx-i+n-1)*m+ny-j+m-1]=1;
q.push(make_pair(nx,ny));
}
}
}
}
int res=0;
for(int i=1;i<=tot;i++){
bool f=1;
for(int j=1;j<=tot;j++){
if(i==j)continue;
if((mp[i] & ~mp[j]) != 0)continue;
f=0;
break;
}
res+=f;
}
printf("%d\n",res);
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 4008kb
input:
4 2 5 .OO.. O..O. 1 3 O.O 1 3 .O. 2 3 OOO OOO
output:
3 1 0 0
result:
ok 4 lines
Test #2:
score: 0
Accepted
time: 0ms
memory: 5852kb
input:
200 2 4 OOO. OO.. 2 3 OOO .O. 3 3 O.O OOO OO. 4 1 . . O O 1 2 .O 1 1 . 2 5 .OO.. .O.O. 2 1 O O 1 1 O 1 3 .OO 5 1 O O . O . 5 2 O. .. O. .O .. 5 3 ... ... .OO ..O OOO 3 5 ..O.O .O.O. .OO.O 5 2 .O OO O. O. .. 2 1 O O 3 5 .O.OO O...O ..OO. 1 5 ..... 5 1 O . O . . 5 3 OOO OO. .OO OO. O.O 2 1 O . 5 2 O. ...
output:
3 0 0 2 1 1 3 0 0 1 0 7 9 4 4 0 6 5 2 0 1 6 4 5 2 0 0 5 3 3 1 4 1 0 7 5 2 3 7 3 0 6 2 2 2 0 4 6 6 3 3 2 3 5 2 1 0 3 3 4 4 2 2 0 7 6 4 8 5 3 2 5 2 1 2 1 4 0 0 2 5 1 4 6 6 1 6 2 2 3 4 5 2 1 0 1 9 3 4 11 0 3 2 1 0 0 4 3 1 4 3 8 3 0 3 6 2 5 1 3 3 4 0 2 11 2 2 4 0 4 4 6 2 1 2 3 0 5 0 16 4 3 2 6 0 8 3 3 1...
result:
ok 200 lines
Test #3:
score: -100
Wrong Answer
time: 4ms
memory: 3852kb
input:
50 10 9 OOOO.O... O...O.OOO .....O... ..OO..O.O ...O..O.O ..OOO..O. ..OOO...O .OO.O..OO .O.O.OO.. .O..O.O.O 10 10 .O.OOO.OO. ...OOOOOOO ...O.O..O. .O.O..O... .O.O.OO..O ..OO.O..OO O....O..OO OO...OOOOO OO.OO.O..O .O.O.OOOOO 10 8 O..OOO.O O.OOOO.. O..OO.OO OO..OO.. .OOO..O. .OO.OO.O OOO..OO. ..O..OO....
output:
31 40 13 25 40 37 27 29 20 26 25 29 21 29 21 31 32 31 33 34 25 31 18 25 41 28 20 38 20 29 18 21 27 28 35 13 20 17 32 29 28 23 23 23 24 18 28 17 35 24
result:
wrong answer 28th lines differ - expected: '45', found: '38'