View Compilation Error

0_0_38722011_27327.cpp: In function 'int main()':
0_0_38722011_27327.cpp:5:9: error: 'ios' has not been declared
    5 |         ios::sync_with_stdio(false);
      |         ^~~
0_0_38722011_27327.cpp:6:9: error: 'cin' was not declared in this scope
    6 |         cin.tie(0);
      |         ^~~
0_0_38722011_27327.cpp:1:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'?
  +++ |+#include <iostream>
    1 | using namespace std;
0_0_38722011_27327.cpp:28:25: error: 'swap' was not declared in this scope
   28 |                 if(n>m) swap(m,n);
      |                         ^~~~
0_0_38722011_27327.cpp:29:17: error: 'cout' was not declared in this scope
   29 |                 cout<<dp[n][m]<<'\n';
      |                 ^~~~
0_0_38722011_27327.cpp:29:17: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?