Borderou de evaluare (job #823200)

Compilare: main.cpp: In function 'void backt(std::vector<int>&, int, int, std::vector<bool>)': main.cpp:9:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 9 | for(int i=0; i<v.size(); i++) fout<<v[i]<<(i+1<v.size()? ' ' : '\n'); | ~^~~~~~~~~ main.cpp:9:55: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 9 | for(int i=0; i<v.size(); i++) fout<<v[i]<<(i+1<v.size()? ' ' : '\n'); | ~~~^~~~~~~~~ main.cpp:11:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 11 | for(int i=st; i<a.size(); i++){ | ~^~~~~~~~~