Borderou de evaluare (job #745876)

Compilare: main.cpp: In function 'int main()': main.cpp:163:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 163 | for(int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:166:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 166 | for(int i = 0; i < s.size(); i++) | ~~^~~~~~~~~~ main.cpp:189:47: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 189 | if(R2 < s2.size()) | ~~~^~~~~~~~~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:20:30: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 20 | fread(buff, 1, 4096, fin); | ~~~~~^~~~~~~~~~~~~~~~~~~~