View Compilation Error

0_0_21598572_16688.cpp:1:9: error: expected unqualified-id before 'for'
         for(int i=0;i<n;i++)
         ^
0_0_21598572_16688.cpp:1:21: error: 'i' does not name a type
         for(int i=0;i<n;i++)
                     ^
0_0_21598572_16688.cpp:1:25: error: 'i' does not name a type
         for(int i=0;i<n;i++)
                         ^