View Compilation Error

0_0_21639914_19998.cpp: In function 'int main()':
0_0_21639914_19998.cpp:29:7: error: 'dp' was not declared in this scope
       dp[t][x]++;
       ^
0_0_21639914_19998.cpp:34:7: error: 'dp' was not declared in this scope
       dp[i][0]=dp[i][0]+max(dp[i+1][1],dp[i+1][0]);
       ^
0_0_21639914_19998.cpp:41:15: error: 'dp' was not declared in this scope
   printf("%d",dp[0][5]);
               ^