运行 ID: 26053

Main.cc:4:1: error: expected initializer before ‘int’
 int n,n1,n2,n3,n4;
 ^~~
Main.cc: In function ‘int main()’:
Main.cc:7:7: error: ‘n’ was not declared in this scope
  cin>>n;
       ^
Main.cc:9:8: error: ‘a’ was not declared in this scope
   cin>>a[i];
        ^
Main.cc:10:25: error: ‘n1’ was not declared in this scope
   if(a[i]>=0&&a[i]<=18) n1++;
                         ^~
Main.cc:11:21: error: ‘n2’ was not declared in this scope
   else if(a[i]<=35) n2++;
                     ^~
Main.cc:12:21: error: ‘n3’ was not declared in this scope
   else if(a[i]<=60) n3++;
                     ^~
Main.cc:13:8: error: ‘n4’ was not declared in this scope
   else n4++;
        ^~
Main.cc:15:18: error: ‘n1’ was not declared in this scope
  printf("%.2f\n",n1*1.0/n*100);
                  ^~
Main.cc:16:18: error: ‘n2’ was not declared in this scope
  printf("%.2f\n",n2*1.0/n*100);
                  ^~
Main.cc:17:18: error: ‘n3’ was not declared in this scope
  printf("%.2f\n",n3*1.0/n*100);
                  ^~
Main.cc:18:18: error: ‘n4’ was not declared in this scope
  printf("%.2f\n",n4*1.0/n*100);
                  ^~