func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long MOD = 1e9 + 7;   int MM[500], FF[500];   int main() {     ios::sync_with_stdio(0);     int N;     cin >> N;     for (int i = 0; i < N; i++) {       char g;       int from, to;       cin >> g >> from >> to;       int *v;       if (g ==  M )         for (int i = from; i <= to; i++) MM[i]++;       else         for (int i = from; i <= to; i++) FF[i]++;     }     int MAX = 0;     for (int i = 1; i < 400; i++) MAX = max(MAX, min(MM[i], FF[i]) * 2);     cout << MAX;     return 0;   }   