Submission #721985

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
721985	2023-04-11 09:51:20	Dec0Dedd	PIN (CEOI10_pin)	C++14	70 / 100	271 ms	14776 KiB

pin

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int K = 4;
const int N = 5e4+1;
map<string, ll> mp[(1<<K)];
ll ans[6], n, d;
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    
    cin>>n>>d;
    for (int i=1; i<=n; ++i) {
        string s; cin>>s;
        for (int j=1; j<(1<<K); ++j) {
            string tmp;
            for (int x=0; x<K; ++x) {
                if (j&(1<<x)) tmp+=s[x];
            }
            ++mp[j][tmp];
        }
 
 
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• Subtask 1: 70 / 100