View Compilation Error

0_0_17986621_8943.cpp:25:1: error: 'dp' does not name a type
 dp[N];
 ^
0_0_17986621_8943.cpp: In function 'int main()':
0_0_17986621_8943.cpp:115:16: error: 'dp' was not declared in this scope
         memset(dp, 0, sizeof(dp));
                ^