View Compilation Error

0_0_36260527_10876.cpp:5:1: error: expected initializer before 'int'
 int dp[100000];
 ^
0_0_36260527_10876.cpp: In function 'int main()':
0_0_36260527_10876.cpp:13:16: error: 'w' was not declared in this scope
         memset(w,0,sizeof(w));
                ^
0_0_36260527_10876.cpp:14:16: error: 'dp' was not declared in this scope
         memset(dp,0,sizeof(dp));
                ^