func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, m, f[105], s[105], ans;   int Getf(int x) { return (f[x] == x ? x : Getf(f[x])); }   int main() {     scanf( %d%d , &n, &m);     for (int i = 0; i < n; i++) f[i] = i, s[i] = 1;     int x, y;     for (int i = 0; i < m; i++) {       scanf( %d%d , &x, &y);       int tx = Getf(x), ty = Getf(y);       if (tx == ty && (s[ty] & 1)) ans++;       f[tx] = ty;       s[ty] += s[tx];     }     if ((n - ans) % 2 != 0) ans++;     printf( %d , ans);     return 0;   }   