Borderou de evaluare (job #823199)

Compilare: main.cpp: In function 'void backt(std::vector<int>&, int, int, std::vector<bool>)': main.cpp:10:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 10 | for(int i=st; i<a.size(); i++){ | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 33 | for(int i=0; i<q.size(); i++) fout<<q[i]<<(i+1<q.size() ? ' ' : '\n'); | ~^~~~~~~~~ main.cpp:33:55: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 33 | for(int i=0; i<q.size(); i++) fout<<q[i]<<(i+1<q.size() ? ' ' : '\n'); | ~~~^~~~~~~~~