Compilare: main.cpp: In function 'int main()': main.cpp:46:20: warning: format '%lld' expects argument of type 'long long int*', but argument 2 has type 'int*' [-Wformat=] scanf("%lld",&b); ^ main.cpp:68:22: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=] printf("%d\n",sol); ^ main.cpp:44:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("armonica.in","r",stdin); ^ main.cpp:45:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("armonica.out","w",stdout); ^ main.cpp:46:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&b); ^