Compilare: main.cpp: In function 'void simplify()': main.cpp:45:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:49:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:59:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:75:38: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 75 | for(int j=0;j<edges2[x].size();j++) | ~^~~~~~~~~~~~~~~~~ main.cpp:87:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 87 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:107:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 107 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:110:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 110 | for(int j=i+1;j<p.size();j++) | ~^~~~~~~~~ main.cpp:123:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 123 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:127:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 127 | for(int j=0;j<edges2[i].size();j++) | ~^~~~~~~~~~~~~~~~~ main.cpp:149:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 149 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:106:9: warning: unused variable 'cnt' [-Wunused-variable] 106 | int cnt=0; | ^~~