View Compilation Error

0_0_20983691_31991.cpp:1:1: error: expected unqualified-id before 'for'
 for (int i=1; i<=n; i++){
 ^
0_0_20983691_31991.cpp:1:15: error: 'i' does not name a type
 for (int i=1; i<=n; i++){
               ^
0_0_20983691_31991.cpp:1:21: error: 'i' does not name a type
 for (int i=1; i<=n; i++){
                     ^