QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#264397 | #7733. Cool, It’s Yesterday Four Times More | ucup-team266# | AC ✓ | 171ms | 4224kb | C++14 | 3.2kb | 2023-11-25 13:54:14 | 2023-11-25 13:54:15 |
Judging History
answer
#include<bits/stdc++.h>
#define rep(i, n) for(int i = 0; i < (n); ++i)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef pair<int, int> pii;
typedef pair<ll, int> pli;
typedef array<int, 3> ai3;
const ll inf = 0x3f3f3f3f3f3f3f3fll;
const int Mod = 998244353;
const int inv[5] = {0, 1, (Mod+1) / 2, (Mod+1) / 3};
inline int sign(int a){ return (a&1) ? (Mod-1) : 1; }
inline void uadd(int &a, int b){ a += b-Mod; a += (a>>31) & Mod; }
inline void usub(int &a, int b){ a -= b, a += (a>>31) & Mod; }
inline void umul(int &a, int b){ a = (int)(1ll * a * b % Mod); }
inline int add(int a, int b){ a += b-Mod; a += (a>>31) & Mod; return a; }
inline int sub(int a, int b){ a -= b, a += (a>>31) & Mod; return a; }
inline int mul(int a, int b){ a = (int)(1ll * a * b % Mod); return a; }
int qpow(int b, int p){ int ret = 1; while(p){ if(p&1) umul(ret, b); umul(b, b), p >>= 1; } return ret; }
const int fN = 111;
int fact[fN], invfact[fN], pw2[fN], invpw2[fN];
void initfact(int n){
pw2[0] = 1; for(int i = 1; i <= n; ++i) pw2[i] = mul(pw2[i-1], 2);
invpw2[0] = 1; for(int i = 1; i <= n; ++i) invpw2[i] = mul(invpw2[i-1], (Mod+1) / 2);
fact[0] = 1; for(int i = 1; i <= n; ++i) fact[i] = mul(fact[i-1], i);
invfact[n] = qpow(fact[n], Mod-2); for(int i = n; i > 0; --i) invfact[i-1] = mul(invfact[i], i);
}
int binom(int n, int m){ return (m < 0 || m > n) ? 0 : mul(fact[n], mul(invfact[m], invfact[n-m])); }
const double pi = acos(-1);
inline void chmax(int &a, int b){ (b>a) ? (a=b) : 0; }
inline void chmin(int &a, int b){ (b<a) ? (a=b) : 0; }
int n, m;
string s[1010];
int dsu[1010]; int getdsu(int u){ return dsu[u] = dsu[u] == u ? u : getdsu(dsu[u]); }
inline int id(int x, int y){ return x*m + y; }
bitset<4040> can[1010];
void solve(){
cin >> n >> m;
rep(i, n) cin >> s[i];
rep(i, n*m) dsu[i] = i;
rep(i, n) rep(j, m-1) if(s[i][j] == '.' && s[i][j+1] == '.') dsu[getdsu(id(i, j))] = dsu[getdsu(id(i, j+1))];
rep(i, n-1) rep(j, m) if(s[i][j] == '.' && s[i+1][j] == '.') dsu[getdsu(id(i, j))] = dsu[getdsu(id(i+1, j))];
rep(i, n) rep(j, m) if(s[i][j] == '.'){
can[id(i, j)] = 0;
rep(k, n) rep(l, m) if(getdsu(id(k, l)) == getdsu(id(i, j))){
//cout << id(i, j) << " " << ((k-i) + n-1) * (2*m) + (l-j) + m-1 << "\n";
can[id(i, j)][((k-i) + n-1) * (2*m) + (l-j) + m-1] = 1;
}
//cout << i << " " << j << ": ";
//rep(k, 2*n * 2*m) cout << can[id(i, j)][k];
//rep(k, 2*n * 2*m) cout << can[0][k] << " ";
//cout << "\n";
}
//rep(k, 2*n * 2*m) cout << can[0][k] << " ";
//cout << "\n";
int ans = 0;
rep(i, n) rep(j, m) if(s[i][j] == '.'){
bool ok = 1;
rep(k, n) rep(l, m) if(s[k][l] == '.' && (k != i || l != j)){
//cout << i << " " << j << " " << k << " " << l << "\n";
//rep(o, 2*n * 2*m) cout << ((can[id(i, j)]))[o]; cout << "\n";
//rep(o, 2*n * 2*m) cout << ((can[id(k, l)]))[o]; cout << "\n";
//rep(o, 2*n * 2*m) cout << ((can[id(i, j)] & can[id(k, l)]))[o]; cout << "\n";
ok &= ((can[id(i, j)] & can[id(k, l)]) != can[id(i, j)]);
}
ans += ok;
}
cout << ans << "\n";
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
int T;
cin >> T;
while(T--) solve();
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3656kb
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: 1ms
memory: 3764kb
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: 0
Accepted
time: 4ms
memory: 3704kb
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....
output:
31 40 13 25 40 37 27 29 20 26 25 29 21 29 21 31 32 31 33 34 25 31 18 25 41 28 20 45 20 29 18 21 27 28 35 13 20 17 32 29 28 23 23 23 24 18 28 17 35 24
result:
ok 50 lines
Test #4:
score: 0
Accepted
time: 64ms
memory: 4128kb
input:
5 1 1000 ....O..OO..O..O..OO...OOO.OOOO.O...O....OOOOO.....OO..OOOO.O..O....OOOO..OO..OOOO......O.O.O..O..OO.OO.OO.O....O.O.O.O.O.OO..O.O.OO..O..OO..O.OOO...O...O.O.O..O....O.OO...O..O...O.OOO..OO.O..O.OO.O.O..OOOO..O.OO.O.O....O.OO.......OOOO....O.O.O.O..OOO.O.OO.OOO..O...O.O.O.O.OO.O.OOOO...O.OO.....
output:
7 380 294 373 291
result:
ok 5 lines
Test #5:
score: 0
Accepted
time: 1ms
memory: 3692kb
input:
200 1 1 . 2 5 OOOO. OOOOO 3 2 O. O. OO 3 1 O . O 3 2 .. OO OO 1 5 ...OO 3 5 OOOOO OOOOO OOO.O 4 3 OOO OOO OO. OO. 1 3 O.O 3 1 O . . 1 2 O. 3 3 OOO O.. ... 5 4 O.OO ..OO O.OO OOOO OOOO 2 2 O. OO 3 2 OO OO O. 4 4 OOO. OO.. OO.O ...O 1 4 .OOO 4 3 O.. OOO OOO OOO 4 1 O . . O 3 2 O. OO OO 5 3 OO. OOO OOO...
output:
1 1 2 1 2 3 1 2 1 2 1 5 4 1 1 7 1 2 2 1 1 6 0 1 1 5 1 1 2 1 3 8 1 2 1 3 2 10 4 1 3 1 2 1 1 1 1 1 2 1 1 2 2 4 3 1 2 7 4 1 4 1 1 1 2 1 2 1 7 1 1 1 1 1 3 1 1 2 4 1 4 1 1 1 1 1 1 1 1 1 3 7 1 1 2 5 1 3 7 1 9 2 9 4 4 0 12 6 4 6 2 0 8 6 3 4 16 5 4 5 2 7 1 0 0 1 4 2 9 0 2 3 7 6 13 7 10 11 4 2 13 5 8 8 0 16 ...
result:
ok 200 lines
Test #6:
score: 0
Accepted
time: 3ms
memory: 3728kb
input:
50 7 9 OOOOOOO.. OOOOOOO.. OOO....OO ....OO..O .O...OOOO .....OOOO OO...OOOO 8 8 .OO.O... .O...... OOO.OOOO OO..OOOO ..O.OO.O O...OOOO O..OOOOO O..OOOOO 9 8 OO....OO OO..OOOO O..OOOOO ..O..OOO .....O.. .....O.. OOOOOOOO OOOOOOOO .OOOOOOO 8 10 .O.OOOOOOO ...OO.OOOO ......OOOO O..O....OO O..OOO.O.O O....
output:
22 23 22 35 33 15 21 23 24 16 29 15 29 40 23 30 6 25 37 23 25 33 19 12 34 43 44 21 51 29 35 67 22 53 33 53 32 46 50 48 42 45 31 46 45 30 48 53 54 43
result:
ok 50 lines
Test #7:
score: 0
Accepted
time: 38ms
memory: 4128kb
input:
5 1 1000 OO.OOO....O..OOOO..OOOOOOOOOOOOOOOOOOOOOOOOOOOO..OOOOOOOOOOO....OOOOOOOOOOOO...OO.OOOOOOOOOOOO.OOOOOOO....OOOOOOO......OOOOOOOOOOOOOOOOOOOOOOOO..OOO.O.OO..OO....OOOOOOOOO.OO.OOOOO.OOOOOOO....OOOOOOOO.OOOOO...OOOOOOOOOOOOOOOO.OOOOOOOOOOOOOOOOO.OOOOOOOOOOOOOOOOOOOOOOOOOOOO..OOOOOOOOOOOOOOOO.....
output:
0 355 363 384 280
result:
ok 5 lines
Test #8:
score: 0
Accepted
time: 89ms
memory: 4164kb
input:
5 1 1000 O.O...O................OOOO........OO..........OOOO....OO...O...OO....O...OO...O.............OOOOOO......................OOO......OO..........O...............O........................OO....................O..........O..........OO.......OOOO.O..OO...OOO....O.................................O...
output:
34 458 503 370 493
result:
ok 5 lines
Test #9:
score: 0
Accepted
time: 171ms
memory: 4172kb
input:
5 1 1000 O......OOO..O..OO.OO..................................................................................................................................................................................................................................................................................
output:
966 963 971 965 963
result:
ok 5 lines
Test #10:
score: 0
Accepted
time: 102ms
memory: 4128kb
input:
5 5 200 ........................................................................................................................................................................................................ .....OO...OO.OO.O..O..O.OO.OO.OOO.O.OOO...OO.OO...O.O.OO.O.O...OO..OOO..OOOOOOO.OO.O..O.O.O...
output:
508 502 508 499 506
result:
ok 5 lines
Test #11:
score: 0
Accepted
time: 153ms
memory: 4192kb
input:
5 2 500 .....................................................................................................................................................................O.................................................................................................................................
output:
996 994 992 990 988
result:
ok 5 lines
Test #12:
score: 0
Accepted
time: 151ms
memory: 4124kb
input:
5 2 500 .........................................................................................................................................................................................................................................................O.............................................
output:
997 995 993 991 989
result:
ok 5 lines
Test #13:
score: 0
Accepted
time: 91ms
memory: 4104kb
input:
5 333 3 .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. .O. ...
output:
667 667 667 667 667
result:
ok 5 lines
Test #14:
score: 0
Accepted
time: 68ms
memory: 4092kb
input:
5 200 5 .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O. .O.O...
output:
401 401 401 401 401
result:
ok 5 lines
Test #15:
score: 0
Accepted
time: 93ms
memory: 4032kb
input:
5 3 333 .......................................................................................................................................................................................................................................................................................................
output:
333 333 333 333 333
result:
ok 5 lines
Test #16:
score: 0
Accepted
time: 52ms
memory: 4172kb
input:
5 2 500 O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O....
output:
0 0 0 0 0
result:
ok 5 lines
Test #17:
score: 0
Accepted
time: 104ms
memory: 4100kb
input:
5 6 160 ...O..O......O...O..O......O......O.O.O..O......O......O......O......O......O.....OO.O.O..O...O..O..O...O.OO..OO......O....O.O.....OO......O....O.OO..OO.O...... .O....O......O.O....O......O......O...OO.O......O.O.O..O......O......O......O......O......OO...O.O.OO...O......O......O......OO.......
output:
36 570 743 694 682
result:
ok 5 lines
Test #18:
score: 0
Accepted
time: 167ms
memory: 4224kb
input:
5 2 499 .........................................................................................................................................................................................................................................................O.............................................
output:
994 994 990 990 986
result:
ok 5 lines
Extra Test:
score: 0
Extra Test Passed