func_code_string: #include <bits/stdc++.h>   using namespace std;   auto SEED = chrono::steady_clock::now().time_since_epoch().count();   mt19937 rng(SEED);   int main() {     int n, k;     cin >> n >> k;     int dist[n][n];     for (int i = (0); i < (n); i++) {       for (int j = (0); j < (n); j++) {         cin >> dist[i][j];       }     }     int t = 0;     int color[n];     long long int ans = 1ll << 60;     while (t < 5000) {       for (int i = (0); i < (n); i++) {         int tt = uniform_int_distribution<int>(1, n)(rng);         color[i] = tt & 1;       }       long long int dp[n][k];       for (int j = (0); j < (k + 1); j++) {         for (int i = (0); i < (n); i++) {           if (j) {             dp[i][j] = 1ll << 60;             for (int l = (0); l < (n); l++) {               if (color[i] + color[l] == 1) {                 dp[i][j] = min(dp[i][j], dp[l][j - 1] + dist[l][i]);               }             }           } else {             if (i)               dp[i][j] = 1ll << 60;             else               dp[i][j] = 0;           }         }       }       ans = min(ans, dp[0][k]);       t++;     }     cout << ans << endl;   }   