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:61:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 61 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:68:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 68 | for(int j=0;j<edges2[x].size();j++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:99:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 99 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:102:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 102 | for(int j=i+1;j<p.size();j++) | ~^~~~~~~~~ main.cpp:115:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 115 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:119:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 119 | for(int j=0;j<edges2[i].size();j++) | ~^~~~~~~~~~~~~~~~~ main.cpp:141:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<om>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 141 | for(int i=0;i<p.size();i++) | ~^~~~~~~~~ main.cpp:98:9: warning: unused variable 'cnt' [-Wunused-variable] 98 | int cnt=0; | ^~~