Compilare: main.cpp: In function 'long long int calcSComb(long long int, long long int)': main.cpp:25:28: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare] 25 | if(combS[n].size() - 1 < k) | ~~~~~~~~~~~~~~~~~~~~^~~ main.cpp: In function 'void preCalc()': main.cpp:73:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 73 | for(int j = 0; j < combS[i].size(); j++){ | ~~^~~~~~~~~~~~~~~~~