Compilare: main.cpp: In function 'bool verif(ll)': main.cpp:16:9: warning: unused variable 'dif' [-Wunused-variable] int dif = 0; ^~~ main.cpp: In function 'int main()': main.cpp:31:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("buget.in","r",stdin); ^ main.cpp:32:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("buget.out","w",stdout); ^ main.cpp:33:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&b); ^ main.cpp:35:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^