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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 |
---|---|---|---|---|---|---|---|---|---|
#726091 | #7900. Gifts from Knowledge | snow_mikumiku | WA | 17ms | 36592kb | C++14 | 1.8kb | 2024-11-08 21:35:20 | 2024-11-08 21:35:20 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using LL = long long;
const int N = 1e6 + 10;
const LL mod = 1e9 + 7;
string S[N];
int n, m, check[N], fa[N];
int find(int x) {
if(x != fa[x]) fa[x] = find(fa[x]);
return fa[x];
}
void solve()
{
cin >> n >> m;
vector <int> ck(m);
for(int i = 1; i <= n; i++) cin >> S[i];
for(int i = 1; i <= n; i++) {
int f = 1;
for(int j = 0; j < m; j++) {
if(S[i][j] == '1' && ck[j]) {
f = 0;
break;
}
}
if(f) {
for(int j = 0; j < m; j++) {
if(S[i][j] == '1') ck[j] = i;
}
}
else {
for(int j = 0; j < m; j++) {
if(S[i][j] == '1' && ck[m - j - 1]) {
cout << 0 << '\n';
return;
}
}
for(int j = 0; j < m; j++) {
if(S[i][j] == '1') ck[m - j - 1] = i;
}
}
}
vector <int> belo(m);
for(int i = 1; i <= n; i++) fa[i] = i;
for(int i = 1; i <= n; i++) {
for(int j = 0; j < m; j++) {
if(S[i][j] == '1') {
if(belo[j]) {
int rj = find(belo[j]);
fa[rj] = i;
}
else belo[j] = i;
if(belo[m - j - 1]) {
int rj = find(belo[m - j - 1]);
fa[rj] = i;
}
else belo[m - j - 1] = i;
}
}
}
LL ans = 1;
for(int i = 1; i <= n; i++) {
if(find(i) == i) ans *= 2, ans %= mod;
}
cout << ans << '\n';
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int t;
cin >> t;
while(t--) solve();
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 4ms
memory: 35932kb
input:
3 3 5 01100 10001 00010 2 1 1 1 2 3 001 001
output:
4 0 2
result:
ok 3 number(s): "4 0 2"
Test #2:
score: 0
Accepted
time: 4ms
memory: 36428kb
input:
15613 10 10 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 15 8 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1 5 00000 5 9 000000000 000000000 0000...
output:
1024 32768 2 32 32768 128 32 16 16 2 16384 16384 128 128 32768 8192 128 64 16384 2 4 2 4096 16 4096 1024 32768 32768 16384 8 128 2 16 4096 8192 32768 8192 8192 16 16384 16384 256 128 8 256 8 4096 512 2 4 32 32 2 64 512 1024 32768 32768 2 64 16384 16 8192 16 256 16 64 8192 8192 64 1024 2 32768 2 4 51...
result:
ok 15613 numbers
Test #3:
score: 0
Accepted
time: 17ms
memory: 35828kb
input:
15759 9 6 000000 000000 000000 000000 000000 000000 000000 000000 000000 5 15 010000000000000 000000000000000 000000000000000 000100000000000 000100000000000 14 12 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000000000 000000...
output:
512 16 16384 512 1024 4096 32768 4 2 512 512 512 512 8 2 256 16 4096 512 64 16 4096 512 32 32768 8192 32 2048 128 16 4096 64 32768 256 32 16384 8 512 32 2048 8 16 1024 2048 128 64 32 8 512 8 8192 256 8192 32768 2 8 512 512 256 32 2 2048 8192 8 64 8 2 16384 32768 32768 1024 4096 16384 16384 128 256 4...
result:
ok 15759 numbers
Test #4:
score: -100
Wrong Answer
time: 14ms
memory: 36592kb
input:
15734 3 6 000101 010000 001110 5 7 0010010 1000000 0101000 0000000 0000000 10 9 000000000 100000000 000000000 000000000 000010000 000000001 000000000 000000000 000000000 000000000 5 14 10000000000000 00001001000000 00000100000000 00000000000000 00000100000000 5 14 00000000000000 00010000000100 00000...
output:
0 16 512 16 32 4096 0 256 0 0 0 0 4096 8 1024 128 8192 0 128 0 2 0 0 32 64 0 0 0 4096 64 8 8 32 128 64 4096 2 512 16384 4 2 0 0 32 0 4096 8 0 8192 256 256 64 0 32 0 32 0 256 4 16384 1024 4 0 16 256 0 2048 64 8 0 0 32768 2048 512 2048 2 0 8192 0 2 2048 16 512 256 1024 0 0 2 32 512 16384 0 32 1024 102...
result:
wrong answer 102nd numbers differ - expected: '64', found: '0'