View Compilation Error

0_0_20934484_15256.cpp:1:1: error: expected unqualified-id before 'for'
 for(int i=0;i<n;i++){
 ^
0_0_20934484_15256.cpp:1:13: error: 'i' does not name a type
 for(int i=0;i<n;i++){
             ^
0_0_20934484_15256.cpp:1:17: error: 'i' does not name a type
 for(int i=0;i<n;i++){
                 ^
0_0_20934484_15256.cpp:6:1: error: 'cout' does not name a type
 cout<<dp[W]<<endl;
 ^