# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
98497 | 2019-02-23T19:08:37 Z | thiago4532 | Kronican (COCI16_kronican) | C++17 | 0 ms | 0 KB |
#include <bits/stdc++.h> // #define int int64_t #define int uint_fast32_t using namespace std; const int maxn = 30; int c[maxn][maxn]; int dp[1<<(maxn-9)]; int n, k; int solve(int mask){ if(__builtin_popcount(mask) == k) return 0; if(dp[mask] != -1) return dp[mask]; //cout << bitset<10>(mask) << "\n"; int ans=0x3f3f3f3f; for(int i=1;i<=n;i++){ if(!(mask&(1<<(i-1)))) continue; for(int j=1;j<=n;j++){ if(i==j || !(mask&(1<<(j-1)))) continue; int mask2 = mask & ~(1<<(i-1)); ans = min(ans, c[i][j] + solve(mask2)); } } return dp[mask] = ans; } int32_t main(){ //memset(c, 0x3f3f3f3f, sizeof c); memset(dp, -1, sizeof dp); cin >> n >> k; for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ cin >> c[i][j]; } } cout << solve((1<<n)-1) << "\n"; return