Compilare: main.cpp: In function 'void addParameter(int)': main.cpp:15:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for (int i = 0; i < hashTable[key].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:22:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | if (count == hashTable[key].size()) { | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void removeParameter(int)': main.cpp:30:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 30 | for (int i = 0; i < hashTable[key].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int type3(int)': main.cpp:42:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for (int i = 0; i < hashTable[key].size(); ++i) { | ~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:40:14: warning: unused variable 'ans' [-Wunused-variable] 40 | int key, ans; | ^~~