Compilare: main.cpp: In function 'int main()': main.cpp:71:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for(int k = 0; k < p.size(); k++) | ~~^~~~~~~~~~ main.cpp:47:9: warning: unused variable 'iA' [-Wunused-variable] 47 | int iA, jA, iM, jM, iG, jG; | ^~ main.cpp:47:13: warning: unused variable 'jA' [-Wunused-variable] 47 | int iA, jA, iM, jM, iG, jG; | ^~ main.cpp:47:17: warning: unused variable 'iM' [-Wunused-variable] 47 | int iA, jA, iM, jM, iG, jG; | ^~ main.cpp:47:21: warning: unused variable 'jM' [-Wunused-variable] 47 | int iA, jA, iM, jM, iG, jG; | ^~ main.cpp:47:25: warning: unused variable 'iG' [-Wunused-variable] 47 | int iA, jA, iM, jM, iG, jG; | ^~ main.cpp:47:29: warning: unused variable 'jG' [-Wunused-variable] 47 | int iA, jA, iM, jM, iG, jG; | ^~