Borderou de evaluare (job #686937)

Compilare: main.cpp: In function 'int main()': main.cpp:124:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 124 | for(int i = 0; i < a.size(); i++) | ~~^~~~~~~~~~ main.cpp:128:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 128 | for(int j = 0; j < avanpost.size(); j++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:17:30: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 17 | fread(buff, 1, 4096, fin); | ~~~~~^~~~~~~~~~~~~~~~~~~~