View Compilation Error

0_0_15358684_12961.cpp:3:1: error: expected primary-expression before 'int'
 int i,sum=0;
 ^
0_0_15358684_12961.cpp:3:1: error: expected ']' before 'int'
0_0_15358684_12961.cpp:4:6: error: expected constructor, destructor, or type conversion before '(' token
 scanf("%d",&i);
      ^
0_0_15358684_12961.cpp:5:1: error: expected unqualified-id before 'for'
 for(int j=1;j<=1;j++)
 ^
0_0_15358684_12961.cpp:5:13: error: 'j' does not name a type
 for(int j=1;j<=1;j++)
             ^
0_0_15358684_12961.cpp:5:18: error: 'j' does not name a type
 for(int j=1;j<=1;j++)
                  ^
0_0_15358684_12961.cpp:9:6: error: expected constructor, destructor, or type conversion before '(' token
 scanf("%d\n",sum);
      ^
0_0_15358684_12961.cpp:10:1: error: expected unqualified-id before 'return'
 return 0;
 ^
0_0_15358684_12961.cpp:11:1: error: expected declaration before '}' token
 }
 ^