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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#658126 | #7733. Cool, It’s Yesterday Four Times More | Yoralen | WA | 1ms | 3924kb | C++14 | 1.7kb | 2024-10-19 16:12:38 | 2024-10-19 16:12:40 |
Judging History
answer
#include<iostream>
#include<cstdio>
#include<vector>
using namespace std;
#define int long long
const int N=1005;
char a[N][N];
int n,m,mp[N][N],tot,vis[N][N],ban[N],T;
struct node{int x,y;}q[N*4],st[N*4];
int dx[5]={0,0,1,0,-1},dy[5]={0,1,0,-1,0};
vector<node>F[N];
void BFS(int rx,int ry){
int l=1,r=0,mix=rx,miy=ry,tp=0,i;
q[++r]=(node){rx,ry};
vis[rx][ry]=1;st[++tp]=(node){rx,ry};
while(l<=r){
node u=q[l];l++;
for(i=1;i<=4;i++){
int tx=u.x+dx[i],ty=u.y+dy[i];
if(1<=tx&&tx<=n&&1<=ty&&ty<=m&&!vis[tx][ty]&&a[tx][ty]=='.'){
q[++r]=(node){tx,ty};
vis[tx][ty]=1;st[++tp]=(node){tx,ty};
mix=min(mix,tx),miy=min(miy,ty);
}
}
}
tot++;
for(i=1;i<=tp;i++)F[tot].push_back((node){st[i].x-mix,st[i].y-miy});
// for(node u:F[tot])printf("%d %d\n",u.x,u.y);
// putchar('\n');
}
void Deal(int I,int J){
for(node u:F[I])mp[u.x][u.y]++;
for(node u:F[J])mp[u.x][u.y]++;
int num=0,nI=F[I].size(),nJ=F[J].size();
for(node u:F[I]){
if(mp[u.x][u.y]==2)num++;
}
if(nI==nJ){
if(num==nI)ban[I]=ban[J]=1;
}
else{
if(nI<nJ&&num==nI)ban[I]=1;
if(nI>nJ&&num==nJ)ban[J]=1;
}
for(node u:F[I])mp[u.x][u.y]=0;
for(node u:F[J])mp[u.x][u.y]=0;
}
signed main(){
int i,j,ans=0;
scanf("%d",&T);
while(T--){
scanf("%d%d",&n,&m);
for(i=1;i<=n;i++)scanf("%s",a[i]+1);
for(i=1;i<=n;i++){
for(j=1;j<=m;j++)vis[i][j]=0;
}
for(i=1;i<=n;i++){
for(j=1;j<=m;j++){
if(a[i][j]=='.'&&!vis[i][j]){BFS(i,j);}
}
}
for(i=1;i<=tot;i++){
for(j=i+1;j<=tot;j++){
if(!ban[i]||!ban[j])Deal(i,j);
}
}
for(i=1;i<=tot;i++){
// printf("%d,",ban[i]);
if(!ban[i])ans+=F[i].size();
F[i].clear();ban[i]=0;
}
// putchar('\n');
printf("%d\n",ans);tot=0;ans=0;
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3924kb
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: 3868kb
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 5 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 5 5 2 5 5 2 1 0 4 3 5 4 2 2 0 7 7 4 11 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 12 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 7 0 17 6 3 2 7 0 8 3 3...
result:
wrong answer 7th lines differ - expected: '3', found: '5'