View Compilation Error

0_0_22264313_26875.cpp: In function 'int main()':
0_0_22264313_26875.cpp:5:8: error: expected unqualified-id before 'int'
  int n,int sum ,int i;
        ^
0_0_22264313_26875.cpp:9:1: error: 'sum' was not declared in this scope
 sum=0;
 ^
0_0_22264313_26875.cpp:10:8: error: 'i' was not declared in this scope
   for (i = 0; i <= n; i++)
        ^