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Submission #483709

# Submission time Handle Problem Language Result Execution time Memory
483709 2021-10-31T23:23:43 Z sam571128 Anagramistica (COCI21_anagramistica) C++17
10 / 110
 30 ms 332 KB 
#include <bits/stdc++.h>

#define int long long
#define fastio ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

using namespace std;

signed main(){
    fastio
    int n,k;
    cin >> n >> k;

    vector<string> v;
    for(int i = 0;i < n;i++){
        string s;
        cin >> s;
        sort(s.begin(),s.end());
        v.push_back(s);
    }

    int ans = 0;
    for(int i = 0;i < (1<<n);i++){
        map<string,int> m;
        for(int j = 0;j < n;j++){
            if(i&(1<<j)) m[v[j]]++;
        }

        int tmp = 0;
        for(auto [a,b] : m){
            tmp += b*(b-1)/2;
        }

        if(tmp==k) ans++;
    }
    cout << ans << "\n";
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 312 KB Output is correct
3 Correct 6 ms 204 KB Output is correct
4 Correct 8 ms 204 KB Output is correct
5 Correct 30 ms 308 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 332 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 2 ms 312 KB Output is correct
3 Correct 6 ms 204 KB Output is correct
4 Correct 8 ms 204 KB Output is correct
5 Correct 30 ms 308 KB Output is correct
6 Incorrect 1 ms 332 KB Output isn't correct
7 Halted 0 ms 0 KB -