View Compilation Error

0_0_14288064_31673.cpp:5:1: error: 'dp' does not name a type
 dp[max][max];
 ^
0_0_14288064_31673.cpp: In function 'int main()':
0_0_14288064_31673.cpp:35:5: error: 'dp' was not declared in this scope
     dp[x][y]=sum;
     ^