Compilare: main.cpp: In function 'int main()': main.cpp:31:13: warning: 'a' may be used uninitialized [-Wmaybe-uninitialized] 31 | s[1]=a[1]; | ~~~^ main.cpp:14:9: note: 'a' declared here 14 | int a[2000001],b[2000001],p,poz[1001],mod,x,sa,sb; | ^ main.cpp:36:7: warning: 'b' may be used uninitialized [-Wmaybe-uninitialized] 36 | sb=b[1]; | ~~^~~~~ main.cpp:14:20: note: 'b' declared here 14 | int a[2000001],b[2000001],p,poz[1001],mod,x,sa,sb; | ^ main.cpp:36:7: warning: 'b' may be used uninitialized [-Wmaybe-uninitialized] 36 | sb=b[1]; | ~~^~~~~ main.cpp:14:20: note: 'b' declared here 14 | int a[2000001],b[2000001],p,poz[1001],mod,x,sa,sb; | ^