Compilare: main.cpp: In function 'int main()': main.cpp:70:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 70 | for(int i=1;i<rez.size();i++) | ~^~~~~~~~~~~ main.cpp:83:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 83 | for(int j=0;j+1<sol.size();j++) | ~~~^~~~~~~~~~~ main.cpp:91:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 91 | for(int k=j+1;k<sol.size();k++) | ~^~~~~~~~~~~ main.cpp:104:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 104 | for(int j=1;j+1<sol.size();j++) | ~~~^~~~~~~~~~~ main.cpp:111:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 111 | for(int k=j+1;k<sol.size();k++) | ~^~~~~~~~~~~