Compilare: main.cpp: In function 'int main()': main.cpp:32:23: warning: unused variable 'a' [-Wunused-variable] long long n,m,p,t,a=0,b=0,r=0; ^ main.cpp:32:27: warning: unused variable 'b' [-Wunused-variable] long long n,m,p,t,a=0,b=0,r=0; ^ main.cpp:32:31: warning: unused variable 'r' [-Wunused-variable] long long n,m,p,t,a=0,b=0,r=0; ^ main.cpp:22:10: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] r=(1LL*r*n)%MOD; ~^~~~~~~~~~~~~~ main.cpp:32:19: note: 'p' was declared here long long n,m,p,t,a=0,b=0,r=0; ^ main.cpp:11:23: warning: 'n' may be used uninitialized in this function [-Wmaybe-uninitialized] long long r=n%m; ^ main.cpp:30:5: note: 'n' was declared here int main() ^~~~ main.cpp:11:23: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized] long long r=n%m; ^ main.cpp:30:5: note: 'm' was declared here int main() ^~~~ main.cpp:25:10: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized] p=p/2; ~^~~~ main.cpp:30:5: note: 'p' was declared here int main() ^~~~