Compilare: main.cpp: In function 'long long int find_last_13(long long int, long long int)': main.cpp:43:10: warning: unused variable 'valmin' [-Wunused-variable] 43 | int i, valmin; | ^~~~~~ main.cpp:65:1: warning: no return statement in function returning non-void [-Wreturn-type] 65 | } | ^ main.cpp: In function 'int main()': main.cpp:68:13: warning: unused variable 'i' [-Wunused-variable] 68 | int n, k, i; | ^