Compilare: main.cpp: In function 'int brute1(int)': main.cpp:25:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 25 | if(n + s[i] >= fr.size()) | ~~~~~~~~~^~~~~~~~~~~~ main.cpp: In function 'int brute2(int)': main.cpp:50:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(int i=0; i<poz[x].size(); i++){ | ~^~~~~~~~~~~~~~ main.cpp:51:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 51 | for(int j=i; j<poz[x].size(); j++){ | ~^~~~~~~~~~~~~~ main.cpp:59:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | int after = (j < poz[x].size()-1 ? poz[x][j+1] - poz[x][j] - 1 : 0); | ~~^~~~~~~~~~~~~~~~~