func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     scanf( %d , &n);     int zuo = 0, you = 0;     for (int i = 0; i < n; i++) {       int x, y;       scanf( %d %d , &x, &y);       zuo += x;       you += y;     }     printf( %d n , min(n - zuo, zuo) + min(n - you, you));     return 0;   }   