Main.cc: In function 'int main()': Main.cc:4:13: error: array must be initialized with a brace-enclosed initializer int n,a[5]=0,y; ^ Main.cc:6:5: error: 'k' was not declared in this scope if(k>=61)a[4]++; ^ Main.cc:4:6: warning: unused variable 'n' [-Wunused-variable] int n,a[5]=0,y; ^