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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#704733 | #7733. Cool, It’s Yesterday Four Times More | SUNCHAOYI | RE | 16ms | 101960kb | C++14 | 3.4kb | 2024-11-02 20:49:28 | 2024-11-02 20:49:28 |
Judging History
answer
#include<iostream>
#include<cstdio>
#include<cstring>
#include<vector>
#include<algorithm>
#include<cmath>
#include<stdlib.h>
#include<queue>
#include<ctime>
#include<map>
#include<set>
#include<unordered_map>
#include <bits/stdc++.h>
const double down = 0.9997;
const int N = 1005;
const int M = 200005;
const double pp = 0.00000001;
const int mod = 1000000007;
using namespace std;
inline int read()
{
int x=0,f=1;
char ch=getchar();
while(!isdigit(ch))
{
if(ch=='-')
f=-1;
ch=getchar();
}
while(isdigit(ch))
{
x=(x<<1)+(x<<3)+(ch^48);
ch=getchar();
}
return x*f;
}
inline void write(int x){
if(x<0) putchar('-'), x=-x;
if(x>9) write(x/10);
putchar(x%10+'0');
}
int n,m,t,siz,ans;
char c[N][N];
int mp[N][N];
bool vis[N<<1][N<<1];
vector<int > p[N<<1][N<<1];
bool cp[N][N];
vector<pair<int ,int > > l;
int tx[] = {1,0,-1,0};
int ty[] = {0,1,0,-1};
void dfs(int nx,int ny,int px,int py,int id)
{
p[px][py].push_back(id);
// cout<<"!"<<endl;
vis[nx][ny] = true;
for(int i=0;i<4;i++)
{
int x = nx + tx[i] , y = ny + ty[i];
if((!x)||(!y)||(x>n)||(y>m)) continue;
if(!mp[x][y]) continue;
if(vis[x][y]) continue;
dfs(x,y,px+tx[i],py+ty[i],id);
}
}
void clear()
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
mp[i][j] = 0;
}
}
for(int nx=1000-n;nx<=1000+n;nx++)
for(int ny=1000-m;ny<=1000+m;ny++)
{
vector<int>tmp;
swap(p[nx][ny],tmp);
}
// p.clear();
// p.shrink_to_fit();//wrong
vector<pair<int,int> >tmp;
swap(l,tmp);
ans = 0;
}
int main()
{
// freopen("A.in","r",stdin);
//freopen(".out","w",stdout);
//srand(time(0));
t = read();
while(t--)
{
// cout<<"!!";
n = read() , m = read();
// if(n>800||m>800) break;
for(int i=1;i<=n;i++) scanf("%s",c[i]+1);
// cout<<"!!";
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
if(c[i][j]=='.')
{
mp[i][j] = 1;
l.push_back(make_pair(i,j));
}
}
}
// cout<<"!!";
siz = l.size();
// cout<<siz<<endl;
// cout<<"!!";
for(int i=0;i<siz;i++)
{
for(int j=0;j<siz;j++)
cp[i][j] = false;
cp[i][i] = true;
}
// cout<<"!!";
for(int i=0;i<siz;i++)
{
dfs(l[i].first,l[i].second,1000,1000,i);
for(int ix=1;ix<=n;ix++)
for(int iy=1;iy<=m;iy++)
vis[ix][iy] = false;
}
// cout<<"??"<<endl;
for(int nx=1000-n;nx<=1000+n;nx++)
{
for(int ny=1000-m;ny<=1000+m;ny++)
{
// for(int to=0;to<4;to++)
// {
// int nx = 1000 + i * tx[to] , ny = 1000 + j * ty[to];
int len = p[nx][ny].size() , po = 0;
if(!len) continue;
// cout<<nx<<" "<<ny<<":";
// for(auto qq:p[nx][ny]) cout<<qq<<' ';
// cout<<endl;
vector<int > lose;
for(int k=0;k<siz;k++)
{
if(k==p[nx][ny][po])
{
po++;
}
else
{
lose.push_back(k);
}
}
// cout<<"?!";
for(int k0=0;k0<len;k0++)
{
for(int k1=0;k1<siz-len;k1++)
{
// assert (lose.size() > k1);
cp[p[nx][ny][k0]][lose[k1]] = true;
}
}
vector<int>tmp;
swap(lose,tmp);
// }
}
}
for(int i=0;i<siz;i++)
{
bool pd = true;
for(int j=0;j<siz;j++)
{
if(!cp[i][j])
{
pd = false;
}
// cout<<cp[i][j];
}
// cout<<endl;
if(pd) ans++;
}
write(ans);
putchar('\n');
clear();
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 16ms
memory: 101960kb
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: 12ms
memory: 101956kb
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
Runtime Error
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....