Language: C++

clude "bits/stdc++.h"
using namespace std;
typedef long long int ll;
typedef vector<ll> vl;
typedef pair<ll, ll> PP;
#define rep(i,n) for(ll i = 0; i < ll(n); i++)
#define all(v) v.begin() , v.end()
#define inputv(v,n) rep(i,n){\
    ll x;\
    cin>>x;\
    v.push_back(x);\
    }
const ll INF = 999999999999999;
const ll MOD = 1000000007;
ll a, b, c, d, e, f, p, t, x, y, z, q, m, n, r, h, k, w, l, ans = 0;
int main() {
	vl A[80],B[80],C[80];
	set<ll> dp[80][80];
	cin >> h >> w;
	rep(i, h) {
		rep(j, w) {
			cin >> x;
			A[i].push_back(x);
		}
	}
 
	rep(i, h) {
		rep(j, w) {
			cin >> x;
			B[i].push_back(x);
		}
	}
 
	rep(i, h) {
		rep(j, w) {
			C[i].push_back(abs(B[i][j] - A[i][j]));
		}
	}
 
  
 
	rep(i, h) {
		rep(j, w) {
			if (i == 0 && j == 0)dp[0][0].insert(abs(C[0][0]));
			if (i > 0) {
              auto ite=dp[i-1][j].begin();
              while(ite!=dp[i-1][j].end()){
                dp[i][j].insert(*ite+C[i][j]);
                dp[i][j].insert(abs(*ite-C[i][j]));
                ite++;
			}
			}
			if (j > 0) {
               auto ite=dp[i][j-1].begin();
              while(ite!=dp[i][j-1].end()){
                if(*ite+C[i][j]<801)dp[i][j].insert(*ite+C[i][j]);
                dp[i][j].insert(abs(*ite-C[i][j]));
                ite++;
              }
			}
		}
	}
  auto ite=dp[h-1][w-1].begin();
  cout<<*ite<<endl;
}

Compiler output:
a.cc:1:1: error: 'clude' does not name a type
    1 | clude "bits/stdc++.h"
      | ^~~~~
a.cc:4:9: error: 'vector' does not name a type
    4 | typedef vector<ll> vl;
      |         ^~~~~~
a.cc:5:9: error: 'pair' does not name a type
    5 | typedef pair<ll, ll> PP;
      |         ^~~~
a.cc: In function 'int main()':
a.cc:17:9: error: 'vl' was not declared in this scope; did you mean 'll'?
   17 |         vl A[80],B[80],C[80];
      |         ^~
      |         ll
a.cc:18:9: error: 'set' was not declared in this scope
   18 |         set<ll> dp[80][80];
      |         ^~~
a.cc:18:15: error: expected primary-expression before '>' token
   18 |         set<ll> dp[80][80];
      |               ^
a.cc:18:17: error: 'dp' was not declared in this scope; did you mean 'p'?
   18 |         set<ll> dp[80][80];
      |                 ^~
      |                 p
a.cc:19:9: error: 'cin' was not declared in this scope
   19 |         cin >> h >> w;
      |         ^~~
a.cc:23:25: error: 'A' was not declared in this scope
   23 |                         A[i].push_back(x);
      |                         ^
a.cc:30:25: error: 'B' was not declared in this scope
   30 |                         B[i].push_back(x);
      |                         ^
a.cc:36:25: error: 'C' was not declared in this scope
   36 |                         C[i].push_back(abs(B[i][j] - A[i][j]));
      |                         ^
a.cc:36:44: error: 'B' was not declared in this scope
   36 |                         C[i].push_back(abs(B[i][j] - A[i][j]));
      |                                            ^
a.cc:36:54: error: 'A' was not declared in this scope
   36 |                         C[i].push_back(abs(B[i][j] - A[i][j]));
      |                                                      ^
a.cc:36:40: error: 'abs' was not declared in this scope; did you mean 'ans'?
   36 |                         C[i].push_back(abs(B[i][j] - A[i][j]));
      |                                        ^~~
      |                                        ans
a.cc:44:66: error: 'C' was not declared in this scope
   44 |                         if (i == 0 && j == 0)dp[0][0].insert(abs(C[0][0]));
      |                                                                  ^
a.cc:44:62: error: 'abs' was not declared in this scope; did you mean 'ans'?
   44 |                         if (i == 0 && j == 0)dp[0][0].insert(abs(C[0][0]));
      |                                                              ^~~
      |                                                              ans
a.cc:48:38: error: 'C' was not declared in this scope
   48 |                 dp[i][j].insert(*ite+C[i][j]);
      |                                      ^
a.cc:49:33: error: 'abs' was not declared in this scope; did you mean 'ans'?
   49 |                 dp[i][j].insert(abs(*ite-C[i][j]));
      |                                 ^~~
      |                                 ans
a.cc:56:25: error: 'C' was not declared in this scope
   56 |                 if(*ite+C[i][j]<801)dp[i][j].insert(*ite+C[i][j]);
      |                         ^
a.cc:57:42: error: 'C' was not declared in this scope
   57 |                 dp[i][j].insert(abs(*ite-C[i][j]));
      |                                          ^
a.cc:57:33: error: 'abs' was not declared in this scope; did you mean 'ans'?
   57 |                 dp[i][j].insert(abs(*ite-C[i][j]));
      |                                 ^~~
      |                                 ans
a.cc:64:3: error: 'cout' was not declared in this scope
   64 |   cout<<*ite<<endl;
      |   ^~~~
a.cc:64:15: error: 'endl' was not declared in this scope
   64 |   cout<<*ite<<endl;
      |               ^~~~