Compilare: main.cpp: In function 'int main()': main.cpp:22:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (i!=2) ^~ main.cpp:27:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' aa=(a/(i*i))*(i*i); ^~ main.cpp:10:31: warning: unused variable 'k' [-Wunused-variable] long long int i,j,a,b,con,k,tot,ctot,cb,aa; ^ main.cpp:10:37: warning: unused variable 'ctot' [-Wunused-variable] long long int i,j,a,b,con,k,tot,ctot,cb,aa; ^~~~ main.cpp:8:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("nasa.in","r",stdin); ^ main.cpp:9:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("nasa.out","w",stdout); ^ main.cpp:13:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld%lld",&a,&b); ^