Compilare: main.cpp: In function 'int main()': main.cpp:41:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0 ; i < divisors.size(); i++){ ~~^~~~~~~~~~~~~~~~~ main.cpp:42:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = i+1 ; j< divisors.size(); j++){ ~^~~~~~~~~~~~~~~~~ main.cpp:35:10: warning: unused variable 't' [-Wunused-variable] int n,t,a,b,c,x,y; ^ main.cpp:35:16: warning: unused variable 'c' [-Wunused-variable] int n,t,a,b,c,x,y; ^ main.cpp:35:18: warning: unused variable 'x' [-Wunused-variable] int n,t,a,b,c,x,y; ^ main.cpp:35:20: warning: unused variable 'y' [-Wunused-variable] int n,t,a,b,c,x,y; ^