View Compilation Error

0_0_30549453_33.cpp:1:2: error: expected unqualified-id before 'for'
  for(int k=1;k<=4;k++){
  ^
0_0_30549453_33.cpp:1:14: error: 'k' does not name a type
  for(int k=1;k<=4;k++){
              ^
0_0_30549453_33.cpp:1:19: error: 'k' does not name a type
  for(int k=1;k<=4;k++){
                   ^