Compilare: main.cpp: In function 'void solve1(int&, int&, int&, bool&)': main.cpp:22:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < lst.size(); ++i) { ~~^~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:45:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("episoade.in", "r", stdin); ^ main.cpp:46:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("episoade.out", "w", stdout); ^