View Compilation Error

0_0_13625390_21967.cpp: In function 'int main()':
0_0_13625390_21967.cpp:12:10: error: 'i' was not declared in this scope
      for(i=0;i<n;i++)
          ^
0_0_13625390_21967.cpp:12:16: error: 'n' was not declared in this scope
      for(i=0;i<n;i++)
                ^
0_0_13625390_21967.cpp:14:9: error: 'count' was not declared in this scope
         count=0;
         ^
0_0_13625390_21967.cpp:15:16: error: 'ch' was not declared in this scope
         while((ch=getchar())!='\n')
                ^
0_0_13625390_21967.cpp:20:1: error: expected '}' at end of input
 }
 ^