Compilare: main.cpp: In function 'int main()': main.cpp:29:13: warning: 'a' may be used uninitialized [-Wmaybe-uninitialized] 29 | s[1]=a[1]; | ~~~^ main.cpp:12:9: note: 'a' declared here 12 | int a[2000001],b[2000001],p,poz[1001],mod; | ^ main.cpp:34:11: warning: 'b' may be used uninitialized [-Wmaybe-uninitialized] 34 | sb=b[1]; | ~~~^ main.cpp:12:20: note: 'b' declared here 12 | int a[2000001],b[2000001],p,poz[1001],mod; | ^ main.cpp:34:11: warning: 'b' may be used uninitialized [-Wmaybe-uninitialized] 34 | sb=b[1]; | ~~~^ main.cpp:12:20: note: 'b' declared here 12 | int a[2000001],b[2000001],p,poz[1001],mod; | ^