View Compilation Error

0_0_17023288_4088.cpp:1:1: error: 'DP' does not name a type
 DP:
 ^
0_0_17023288_4088.cpp:2:9: error: 'i' does not name a type
 for(i=1;i<=n;i++)
         ^
0_0_17023288_4088.cpp:2:14: error: 'i' does not name a type
 for(i=1;i<=n;i++)
              ^