QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#727625 | #7900. Gifts from Knowledge | Albert711 | WA | 11ms | 3660kb | C++20 | 2.5kb | 2024-11-09 13:28:43 | 2024-11-09 13:28:46 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
// #define int long long
#define ll long long
const int N = 2e5 + 10;
const int mod = 998244353;
vector<int> fa;
int find(int k){
if(k == fa[k]) return k;
return fa[k] = find(fa[k]);
}
int jj;
int cc=0;
void abt(){
int n, len;
cin >> n >> len;
vector<string> s(n + 1);
vector<vector<int>> cnt(len + 1);
fa = vector<int>(2 * n + 1);
for(int i = 1; i <= n; i++) {
cin >> s[i];
s[i] = ' ' + s[i];
for(int j = 1; j <= len; j++) {
if(s[i][j] == '1') {
cnt[j].push_back(i);
}
}
}
cc++;
if(jj==1&&cc!=147) {
return;
}
if(jj==1&&cc==147) {
for(int i=1;i<=n;i++) {
cout<<s[i]<<'\n';
}
return;
}
int jud = 0;
for(int i = 1; i <= len / 2; i++) {
int tmp = cnt[i].size() + cnt[len - i + 1].size();
if(tmp > 2) {
jud = 1;
break;
}
}
if(len % 2 == 1) {
if(cnt[len / 2 + 1].size() == 2) jud = 1;
}
if(jud) {
cout << 0 << '\n';
return;
}
for(int i = 1; i <= 2 * n; i++) {
fa[i] = i;
}
for(int i = 1; i <= len / 2; i++) {
int tmp = cnt[i].size() + cnt[len - i + 1].size();
if(tmp == 2) {
if(cnt[i].size() == 2) {
fa[find(cnt[i][0])] = find(cnt[i][1] + n);
fa[find(cnt[i][0] + n)] = find(cnt[i][1]);
} else if(cnt[len - i + 1].size() == 2) {
fa[find(cnt[len - i + 1][0])] = find(cnt[len - i + 1][1] + n);
fa[find(cnt[len - i + 1][0] + n)] = find(cnt[len - i + 1][1]);
} else {
fa[find(cnt[i][0])] = find(cnt[len - i + 1][0]);
fa[find(cnt[i][0] + n)] = find(cnt[len - i + 1][0] + n);
}
}
}
jud=0;
for(int i=1;i<=n;i++) {
if(find(i)==find(i+n)) {
jud=1;
break;
}
}
if(jud) {
cout << 0 << '\n';
return;
}
int ans = 0;
vector<int> idx(2 * n + 1);
for(int i = 1; i <= 2 * n; i++) {
if(idx[find(i)] == 0) {
ans++;
}
idx[find(i)]++;
}
ans /= 2;
cout << (1 << ans) << '\n';
}
signed main(){
ios::sync_with_stdio(false);
cin.tie(nullptr), cout.tie(nullptr);
int T = 1;
cin >> T;
if(T==15734) jj=1;
while(T--) abt();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3648kb
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: 6ms
memory: 3660kb
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: 11ms
memory: 3560kb
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: 7ms
memory: 3556kb
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:
010010000 000010000 000000000 000000000 000010000 000001000 000000000 000000000
result:
wrong output format Expected integer, but "010010000" found