Compilare: user.cpp: In function ‘int main()’: user.cpp:22:20: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (v[i]>0 && i%d==0) ^ user.cpp:9:15: warning: unused variable ‘max1’ [-Wunused-variable] int t,n,i,max1,vmax=0,a,b,minn=2000000000,j; ^~~~ user.cpp:9:29: warning: unused variable ‘b’ [-Wunused-variable] int t,n,i,max1,vmax=0,a,b,minn=2000000000,j; ^ user.cpp:10:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &t); ^ user.cpp:12:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:15:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &a),v[a]++; ^