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:57:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 57 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:64:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | for(int j=0;j<edges1[x].size();j++) | ~^~~~~~~~~~~~~~~~~ main.cpp:78:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 78 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:98:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 98 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:101:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 101 | for(int j=i+1;j<p.size();j++) | ~^~~~~~~~~ main.cpp:114:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 114 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:118:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 118 | for(int j=0;j<edges2[i].size();j++) | ~^~~~~~~~~~~~~~~~~ main.cpp:139:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 139 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:97:9: warning: unused variable 'cnt' [-Wunused-variable] 97 | int cnt=0; | ^~~