Borderou de evaluare (job #615376)

Compilare: main.cpp: In function 'int main()': main.cpp:257:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 257 | for(int i=0;i<V[e1].size();i++) | ~^~~~~~~~~~~~~ main.cpp:266:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 266 | for(int i=0;i<V[e2].size();i++) | ~^~~~~~~~~~~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:31:18: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 31 | fread(buff, 1, 4096, fin); | ~~~~~^~~~~~~~~~~~~~~~~~~~