#include <bits/stdc++.h> using namespace std; #define ll long long #define eb emplace_back #define pb push_back #define fi first #define se second #define ii pair<int,int> #define ve vector #define all(x) x.begin(), x.end() #define fo(i,a,b) for (int i=(a); i<=(b); ++i) #define fd(i,a,b) for (int i=(a); i>=(b); --i) #define maxi(a, b) a = max(a, b) #define mini(a, b) a = min(a, b) #define siz(x) ((int)(x).size()) #define vi ve<int> #define _ << ' ' << const int N = 1e6+5, inf = 1e9+10, mod = 1e9+7; bool MBE; /** **/ int n; void sol() { cin >> n; int sec=0, subsec=0, subsubsec=0; fo(i,1,n) { string command, name; cin >> command >> name; if (command == "section") { sec++; subsec=subsubsec=0; cout << sec << ' ' << name << '\n'; } else if (command == "subsection") { subsec++; subsubsec=0; cout << sec << '.' << subsec << ' ' << name << '\n'; } else { subsubsec++; cout << sec << '.' << subsec << '.' << subsubsec << ' ' << name << '\n'; } } } bool MED; signed main(){ ios::sync_with_stdio(0); cin.tie(0); if(fopen("A.inp","r")) { freopen("A.inp","r",stdin); freopen("A.out","w",stdout); } int tc = 1; // cin >> tc; fo(i,1,tc) sol(); // cerr << "Memory = " << abs(&MED - &MBE)/1024.0/1024.0 << " MB"; return 0; }

Main.cpp: In function 'int main()':
Main.cpp:55:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |         freopen("A.inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~
Main.cpp:56:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |         freopen("A.out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~