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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 |
---|---|---|---|---|---|---|---|---|---|
#602307 | #7733. Cool, It’s Yesterday Four Times More | Kdlyh | WA | 7ms | 3772kb | C++20 | 2.4kb | 2024-09-30 22:45:19 | 2024-09-30 22:45:30 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define qmx(a,b) a<b?b:a
#define qmn(a,b) a>b?b:a
#define ll long long
#define fr first
#define se second
#define pir pair< pair<int, int>, pair<int, int> >
const int mxn = 1e3+3;
char mp[mxn][mxn];
//bool vis[mxn][mxn];
int n, m, cntn;
vector < pair<int, int> > xyz;
map < pir , bool > res, vis;
bool outBound(int inx, int iny){
return inx < 1 || iny < 1 || inx > n || iny > m;
}
bool trydel(int dx, int dy, int sx, int sy){
pir XYZ = make_pair(make_pair(dx, dy), make_pair(sx, sy));
if(vis[XYZ]){
return res[XYZ];
}
vis[XYZ] = true;
if(outBound(dx, dy) || mp[dx][dy] == 'O'){
return (res[XYZ] = false);
}
if(outBound(sx, sy) || mp[sx][sy] == 'O'){
return (res[XYZ] = true);
}
res[XYZ] = false;
res[XYZ] |= trydel(dx - 1, dy, sx - 1, sy);
res[XYZ] |= trydel(dx, dy - 1, sx, sy - 1);
res[XYZ] |= trydel(dx + 1, dy, sx + 1, sy);
res[XYZ] |= trydel(dx, dy + 1, sx, sy + 1);
//cerr << dx <<" " << dy << " " << sx << " " << sy << ":" << res[XYZ] << endl;
return res[XYZ];
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0), cout.tie(0);
bool fail;
int test, ans;
cin>>test;
while(test--){
cntn = 0;
ans = 0;
xyz.clear();
vis.clear();
res.clear();
cin >> n >> m;
for(int i = 1 ; i <= n ; i++){
for(int j = 1 ; j <= m ; j++){
cin >> mp[i][j];
if(mp[i][j] == '.'){
cntn++;
xyz.push_back(make_pair(i, j));
//cerr << i << " " << j << endl;
}
}
}
for(int i = 0 ; i < cntn ; i++){
fail = false;
for(int j = 0 ; j < cntn ; j++){
if(i != j){
//memset(vis, 0, sizeof(vis));
///vis[xyz[i].first][xyz[i].second] = true;
if(!trydel(xyz[i].first, xyz[i].second, xyz[j].first, xyz[j].second)){
//cerr << xyz[i].first <<" " << xyz[i].second << ": " << xyz[j].first <<" "<< xyz[j].second << endl;
fail = true;
break;
}
}
}
if(!fail){
ans++;
}
}
cout << ans << "\n";
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3736kb
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: 7ms
memory: 3772kb
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 4 5 2 0 1 6 3 4 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 5 4 7 5 3 2 4 2 1 2 1 4 0 0 2 5 1 3 5 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 3 3 8 3 0 3 5 2 5 1 3 3 4 0 2 11 2 2 4 0 4 4 5 2 1 2 3 0 5 0 14 3 3 2 5 0 8 3 3 1...
result:
wrong answer 17th lines differ - expected: '6', found: '4'