View Compilation Error

0_0_17460209_3760.cpp:2:2: error: 'n' does not name a type
  n[0]=0;
  ^
0_0_17460209_3760.cpp:3:2: error: expected unqualified-id before 'for'
  for(int i=0;i<=3;i++)
  ^
0_0_17460209_3760.cpp:3:14: error: 'i' does not name a type
  for(int i=0;i<=3;i++)
              ^
0_0_17460209_3760.cpp:3:19: error: 'i' does not name a type
  for(int i=0;i<=3;i++)
                   ^
0_0_17460209_3760.cpp:4:15: error: 'k' does not name a type
   for(int k=1;k<=3;k++)
               ^
0_0_17460209_3760.cpp:4:20: error: 'k' does not name a type
   for(int k=1;k<=3;k++)
                    ^