func_code_string: #include <bits/stdc++.h>   int t[10000];   int main() {     int n, m, k;     std::cin >> n >> m >> k;     for (int i = 0; i < n; i++) {       for (int j = 0; j < m; j++) {         std::cin >> t[100 * i + j];       }     }     int ans = 1000000;     if (n > k) {       for (int j = 0; j < n; j++) {         int dc = 0;         for (int j2 = 0; j2 < m; j2++) {           int c = 0;           for (int i = 0; i < n; i++) {             if (t[100 * i + j] == t[100 * i + j2]) c++;           }           dc += std::min(c, n - c);         }         ans = std::min(ans, dc);       }     } else {       for (int j = 0; j < (1 << n); j++) {         int dc = 0;         for (int j2 = 0; j2 < m; j2++) {           int c = 0;           for (int i = 0; i < n; i++) {             if (((int)(bool)(j & (1 << i))) == t[100 * i + j2]) c++;           }           dc += std::min(c, n - c);         }         ans = std::min(ans, dc);       }     }     if (ans > k) {       std::cout << -1;     } else {       std::cout << ans;     }   }   