Compilare: main.cpp: In function 'int main()': main.cpp:11:68: warning: variable 'nr' set but not used [-Wunused-but-set-variable] 11 | long long pp[2000001],s[2000001],a[2000001],b[2000001],x,p,mod,nr,poz[1001],sa,sb; | ^~ main.cpp:29:13: warning: 'a' may be used uninitialized [-Wmaybe-uninitialized] 29 | s[1]=a[1]; | ~~~^ main.cpp:11:38: note: 'a' declared here 11 | long long pp[2000001],s[2000001],a[2000001],b[2000001],x,p,mod,nr,poz[1001],sa,sb; | ^ main.cpp:34:7: warning: 'b' may be used uninitialized [-Wmaybe-uninitialized] 34 | sb=b[1]; | ~~^~~~~ main.cpp:11:49: note: 'b' declared here 11 | long long pp[2000001],s[2000001],a[2000001],b[2000001],x,p,mod,nr,poz[1001],sa,sb; | ^ main.cpp:34:7: warning: 'b' may be used uninitialized [-Wmaybe-uninitialized] 34 | sb=b[1]; | ~~^~~~~ main.cpp:11:49: note: 'b' declared here 11 | long long pp[2000001],s[2000001],a[2000001],b[2000001],x,p,mod,nr,poz[1001],sa,sb; | ^