Compilare: main.cpp: In function 'void solutie55(int)': main.cpp:22:23: warning: comparison of integer expressions of different signedness: 'ull' {aka 'long long unsigned int'} and 'int' [-Wsign-compare] 22 | for(ull a=b/2+1; a<b; a++){ | ~^~ main.cpp: In function 'void solutie100(ull)': main.cpp:41:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for(int i=0; i<div.size(); i++) | ~^~~~~~~~~~~ main.cpp:42:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 42 | for(int j=i+1; j<div.size(); j++) | ~^~~~~~~~~~~