Compilare: main.cpp: In function 'int getHashCode(int)': main.cpp:17:12: warning: unused variable 'i' [-Wunused-variable] 17 | int rez, i; | ^ main.cpp: In function 'bool checkSet(int, int)': main.cpp:33:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<progresie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | while( i < mySet[hashkey].size() && !( mySet[hashkey][i].r == r && mySet[hashkey][i].a1 == a1 ) ) i++; | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:35:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<progresie>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 35 | if( i == mySet[hashkey].size() ) | ~~^~~~~~~~~~~~~~~~~~~~~~~~