View Compilation Error

0_0_39383847_28319.cpp: In function 'int main()':
0_0_39383847_28319.cpp:23:44: error: 'max' was not declared in this scope
   23 |                                 dp[i][j] = max(dp[i + 1][j], dp[i + 1][j + 1]) + t[i][j];
      |                                            ^~~