View Compilation Error

0_0_19025170_18653.cpp:1:1: error: expected unqualified-id before 'for'
 for(k=0; k<n-1; k++)
 ^
0_0_19025170_18653.cpp:1:10: error: 'k' does not name a type
 for(k=0; k<n-1; k++)
          ^
0_0_19025170_18653.cpp:1:17: error: 'k' does not name a type
 for(k=0; k<n-1; k++)
                 ^
0_0_19025170_18653.cpp:11:5: error: expected unqualified-id before 'for'
     for(i=0;i<n;i++){
     ^
0_0_19025170_18653.cpp:11:13: error: 'i' does not name a type
     for(i=0;i<n;i++){
             ^
0_0_19025170_18653.cpp:11:17: error: 'i' does not name a type
     for(i=0;i<n;i++){
                 ^
0_0_19025170_18653.cpp:17:5: error: expected unqualified-id before 'for'
     for(k=n-1; k>=0; k--)
     ^
0_0_19025170_18653.cpp:17:16: error: 'k' does not name a type
     for(k=n-1; k>=0; k--)
                ^
0_0_19025170_18653.cpp:17:22: error: 'k' does not name a type
     for(k=n-1; k>=0; k--)
                      ^