Borderou de evaluare (job #694221)

Compilare: main.cpp: In function 'int main()': main.cpp:110:46: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 110 | for(int j=0;j<A[i].size();j++){ | ~^~~~~~~~~~~~ main.cpp:131:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 131 | for(int i=0;i<ans.size();i++)cout<<ans[i]<<" "; | ~^~~~~~~~~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:37:30: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 37 | fread(buff, 1, 4096, fin); | ~~~~~^~~~~~~~~~~~~~~~~~~~