View Compilation Error

0_0_25400140_259.cpp:1:1: error: expected unqualified-id before 'for'
 for (int i = 0; i < n; i++) {
 ^
0_0_25400140_259.cpp:1:17: error: 'i' does not name a type
 for (int i = 0; i < n; i++) {
                 ^
0_0_25400140_259.cpp:1:24: error: 'i' does not name a type
 for (int i = 0; i < n; i++) {
                        ^