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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#561209 | #7733. Cool, It’s Yesterday Four Times More | lihuaijiao | WA | 2ms | 7752kb | C++17 | 2.7kb | 2024-09-12 21:13:47 | 2024-09-12 21:13:52 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> PII;
const ll N = 1e3 + 10;
char a[N][N];
ll vis[N][N];
set<PII> tu[N];
ll tot;
ll zx[5] = {0, 1, -1, 0, 0};
ll zy[5] = {0, 0, 0, 1, -1};
ll xx, yy;
ll n, m;
void dfs(ll x, ll y){
tu[tot].insert(make_pair(x - xx, y - yy));
vis[x][y] = 1;
for(ll i = 1; i <= 4; i++){
ll tx = x + zx[i];
ll ty = y + zy[i];
if(tx < 1 || tx > n || ty < 1 || ty > m) continue;
if(!vis[tx][ty] && a[tx][ty] == '.'){
dfs(tx, ty);
}
}
}
ll bh[N][N];
ll pd(ll i, ll j){
for(auto x: tu[j]){
ll flg = 0;
for(auto y: tu[i]){
ll newx = x.first + y.first;
ll newy = x.second + y.second;
if(tu[j].find(make_pair(newx, newy)) == tu[j].end()){
flg = 1;
break;
}
}
if(!flg) return 1;
}
return 0;
}
int main(){
ll t;
cin >> t;
while (t--){
ll f = 0;
cin >> n >> m;
// cout << tu[1].size() << endl;
for (ll i = 1; i <= n; i++){
for (ll j = 1; j <= m; j++){
cin >> a[i][j];
}
}
tot = 0;
for (ll i = 1; i <= n; i++){
for (ll j = 1; j <= m; j++){
if (!vis[i][j] && a[i][j] == '.'){
tot++;
xx = i;
yy = j;
dfs(i, j);
}
}
}
for(ll i = 1; i <= tot; i++){
for(ll j = 1; j <= tot; j++){
if(i == j) continue;
if(pd(j, i)){
bh[i][j] = 1; //i可以包含j
}
}
}
for(ll i = 1; i <= tot; i++){
ll flg = 0;
for(ll j = 1; j <= tot; j++){
if(i == j) continue;
if(bh[i][j] == 1 && tu[i].size() > tu[j].size()){
continue;
}
flg = 1;
}
if(!flg){
cout << tu[i].size() << endl;
f = 1;
break;
}
}
if(!f) cout << 0 << endl;
for(ll i = 1; i <= tot; i++){
// cout << "cao" << endl;
tu[i].clear();
// cout << tu[i].size() << endl;
}
for(ll i = 1; i <= tot; i++){
for(ll j = 1; j <= tot; j++){
bh[i][j] = 0;
}
}
for(ll i = 1; i <= n; i++){
for(ll j = 1; j <= m; j++){
vis[i][j] = 0;
}
}
// cout << "?" << endl;
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 5756kb
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: 2ms
memory: 7752kb
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 0 9 4 4 0 6 5 2 0 1 6 4 5 2 0 0 5 3 3 1 4 1 0 0 5 2 3 7 3 0 6 2 2 2 0 4 6 6 3 3 2 3 0 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 0 2 0 1 3 3 4 0 2 11 2 2 4 0 4 0 0 2 1 2 3 0 5 0 16 4 3 2 6 0 8 3 3 1...
result:
wrong answer 12th lines differ - expected: '7', found: '0'