func_code_string: #include <bits/stdc++.h>   using namespace std;   struct s {     char g;     long s, e;   };   int main() {     long n, i, j, c, ans = 0, day = 0, m = 0, f = 0;     struct s a[5005];     cin >> n;     for (i = 0; i < n; ++i) cin >> a[i].g >> a[i].s >> a[i].e;     for (day = 1; day <= 366; ++day) {       m = 0;       f = 0;       for (i = 0; i < n; ++i)         if (a[i].s <= day && a[i].e >= day) {           if (a[i].g ==  M )             m++;           else             f++;         }       ans = max(ans, 2 * (min(m, f)));     }     cout << ans;     return 0;   }   