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 |
---|---|---|---|---|---|---|---|---|---|
#594759 | #7733. Cool, It’s Yesterday Four Times More | zhangboju# | WA | 1ms | 5996kb | C++14 | 2.3kb | 2024-09-28 10:09:34 | 2024-09-28 10:09:45 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int MAXN=1010;
const int mx[4]={0,1,0,-1};
const int my[4]={1,0,-1,0};
int n,m;
char ch[MAXN][MAXN];
int tot;
bool vis[MAXN][MAXN];
bool flag[MAXN][MAXN<<1];
vector<int> vec[MAXN];
int trans(int i,int j){
return 2*i*n+j;
}
void dfs(int stx,int sty,int x,int y){
int id=trans(x-stx,y-sty);
// cout<<x-stx<<' '<<y-sty<<' '<<id<<endl;
// cout<<ch[x][y]<<endl;
flag[tot][id]=true;
vec[tot].push_back(id);
vis[x][y]=true;
for(int i=0;i<4;++i){
int nx=x+mx[i],ny=y+my[i];
if(vis[nx][ny]||nx<1||ny<1||nx>n||ny>m||ch[nx][ny]=='O')continue;
// cout<<nx<<' '<<ny<<' '<<ch[nx][ny]<<' '<<(ch[nx][ny]=='0')<<endl;
dfs(stx,sty,nx,ny);
}
}
int main(){
int T;
scanf("%d",&T);
while(T--){
scanf("%d%d",&n,&m);
for(int i=1;i<=n;++i){
scanf("%s",ch[i]+1);
}
tot=0;
for(int i=1;i<=n;++i){
for(int j=1;j<=m;++j){
if(!vis[i][j]&&ch[i][j]!='O'){
++tot;
// cout<<"!"<<endl;
dfs(i,j,i,j);
}
}
}
// for(int i=1;i<=tot;++i){
// for(auto x: vec[i]){
// cout<<x<<' ';
// }
// cout<<endl;
// }
int ans=0;
for(int i=1;i<=tot;++i){
bool ck=true;
for(int j=1;j<=tot;++j){
if(i==j)continue;
bool fl=false;
for(auto x: vec[i]){
// cout<<'?'<<x<<' '<<flag[j][x]<<endl;
if(!flag[j][x]){
fl=true;
break;
}
}
// cout<<i<<' '<<j<<' '<<fl<<endl;
if(!fl){
ck=false;
break;
}
}
if(ck)ans+=vec[i].size();
}
printf("%d\n",ans);
for(int i=1;i<=tot;++i){
for(auto x: vec[i]){
flag[i][x]=false;
}
vec[i].clear();
}
for(int i=1;i<=n;++i){
for(int j=1;j<=m;++j){
vis[i][j]=false;
}
}
}
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 5996kb
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: -100
Wrong Answer
time: 1ms
memory: 5996kb
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 5 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 9 3 0 6 2 2 2 0 4 6 6 3 5 2 5 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 9 1 6 2 2 5 4 5 2 1 0 1 9 3 4 11 0 3 2 1 0 0 4 3 1 4 3 10 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 ...
result:
wrong answer 7th lines differ - expected: '3', found: '5'