Language: C++

#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i,n) for(ll i = 0; i < (ll)(n); i++)
#define inf 1000000000000000000
#define mod 1000000007
#define mod2 998244353
#define pi acos(-1)
#define all(x) (x).begin(),(x).end()
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }

int main() {
  cin.tie(nullptr);
  ios::sync_with_stdio(false);
  cout << setprecision(15) << fixed;
  
  ll h, w; cin >> h >> w;
  vector<vector<ll>> a(h, vector<ll>(w));
  vector<vector<ll>> b(h, vector<ll>(w));
  vector<vector<ll>> c(h, vector<ll>(w));
  rep(i, h) {
    rep(j, w) {
      cin >> a[i][j];
    }
  }
  rep(i, h) {
    rep(j, w) {
      cin >> b[i][j];
    }
  }
  rep(i, h) {
    rep(j, w) {
      c[i][j] = abs(a[i][j] - b[i][j]);
    }
  }

  vector<vector<vector<ll>>> dp(h, vector<vector<ll>>(w,vector<ll>(80 * (h + w) + 1)));
  dp[0][0][c[0][0]] = true;
  rep(i, h) {
    rep(j, w) {
      rep(k, 80 * (h + w) + 1) {
        if (0 <= i + 1 && i + 1 < h && dp[i][j]) {
          if (0 <= k + c[i + 1][j] && k + c[i + 1][j] <= 80 * (h + w)) dp[i + 1][j][k + c[i + 1][j]] = true;
          if (0 <= abs(k - c[i + 1][j]) && abs(k - c[i + 1][j]) <= 80 * (h + w)) dp[i + 1][j][abs(k - c[i + 1][j])] = true;
        }
        if (0 <= j + 1 && j + 1 < w && dp[i][j]) {
          if (0 <= k + c[i][j + 1] && k + c[i][j + 1] <= 80 * (h + w)) dp[i][j + 1][k + c[i][j + 1]] = true;
          if (0 <= abs(k - c[i][j + 1]) && abs(k - c[i][j + 1]) <= 80 * (h + w)) dp[i][j + 1][abs(k - c[i][j + 1])] = true;
        }
      }
    }
  }
  rep(k, 80 * (h + w) + 1) {
    if (dp[h - 1][w - 1][k]) {
      cout << k << endl;
      exit(0);
    }
  }
}


Compiler output:
a.cc: In function 'int main()':
a.cc:44:37: error: no match for 'operator&&' (operand types are 'bool' and '__gnu_cxx::__alloc_traits<std::allocator<std::__debug::vector<long long int> >, std::__debug::vector<long long int> >::value_type' {aka 'std::__debug::vector<long long int>'})
   44 |         if (0 <= i + 1 && i + 1 < h && dp[i][j]) {
a.cc:44:37: note: candidate: 'operator&&(bool, bool)' (built-in)
a.cc:44:37: note:   no known conversion for argument 2 from '__gnu_cxx::__alloc_traits<std::allocator<std::__debug::vector<long long int> >, std::__debug::vector<long long int> >::value_type' {aka 'std::__debug::vector<long long int>'} to 'bool'
In file included from /usr/include/c++/14/valarray:605,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166,
                 from a.cc:2:
/usr/include/c++/14/bits/valarray_after.h:415:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__logical_and, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)'
  415 |     _DEFINE_EXPR_BINARY_OPERATOR(&&, struct std::__logical_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:415:5: note:   template argument deduction/substitution failed:
a.cc:44:47: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'bool'
   44 |         if (0 <= i + 1 && i + 1 < h && dp[i][j]) {
      |                                               ^
/usr/include/c++/14/bits/valarray_after.h:415:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__logical_and, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  415 |     _DEFINE_EXPR_BINARY_OPERATOR(&&, struct std::__logical_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:415:5: note:   template argument deduction/substitution failed:
a.cc:44:47: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'bool'
   44 |         if (0 <= i + 1 && i + 1 < h && dp[i][j]) {
      |                                               ^
/usr/include/c++/14/bits/valarray_after.h:415:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__logical_and, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  415 |     _DEFINE_EXPR_BINARY_OPERATOR(&&, struct std::__logical_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:415:5: note:   template argument deduction/substitution failed:
a.cc:44:47: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::__debug::vector<long long int> >, std::__debug::vector<long long int> >::value_type' {aka 'std::__debug::vector<long long int>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   44 |         if (0 <= i + 1 && i + 1 < h && dp[i][j]) {
      |                                               ^
/usr/include/c++/14/bits/valarray_after.h:415:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__logical_and, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const _Expr<_Dom1, typename _Dom1::value_type>&, const valarray<typename _Dom::value_type>&)'
  415 |     _DEFINE_EXPR_BINARY_OPERATOR(&&, struct std::__logical_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:415:5: note:   template argument deduction/substitution failed:
a.cc:44:47: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'bool'
   44 |         if (0 <= i + 1 && i + 1 < h && dp[i][j]) {
      |                                               ^
/usr/include/c++/14/bits/valarray_after.h:415:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__logical_and, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const valarray<typename _Dom::value_type>&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  415 |     _DEFINE_EXPR_BINARY_OPERATOR(&&, struct std::__logical_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:415:5: note:   template argument deduction/substitution failed:
a.cc:44:47: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::__debug::vector<long long int> >, std::__debug::vector<long long int> >::value_type' {aka 'std::__debug::vector<long long int>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   44 |         if (0 <= i + 1 && i + 1 < h && dp[i][j]) {
      |                                               ^
/usr/include/c++/14/valarray:1206:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__logical_and, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__logical_and, _Tp>::result_type> std::operator&&(const valarray<_Tp>&, const valarray<_Tp>&)'
 1206 | _DEFINE_BINARY_OPERATOR(&&, __logical_and)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1206:1: note:   template argument deduction/substitution failed:
a.cc:44:47: note:   mismatched types 'const std::valarray<_Tp>' and 'bool'
   44 |         if (0 <= i + 1 && i + 1 < h && dp[i][j]) {
      |                                               ^
/usr/include/c++/14/valarray:1206:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__logical_and, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__logical_and, _Tp>::result_type> std::operator&&(const valarray<_Tp>&, const typename valarray<_Tp>::value_type&)'
 1206 | _DEFINE_BINARY_OPERATOR(&&, __logical_and)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1206:1: note:   template argument deduction/substitution failed:
a.cc:44:47: note:   mismatched types 'const std::valarray<_Tp>' and 'bool'
   44 |         if (0 <= i + 1 && i + 1 < h && dp[i][j]) {
      |                                               ^
/usr/include/c++/14/valarray:1206:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__logical_and, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__logical_and, _Tp>::result_type> std::operator&&(const typename valarray<_Tp>::value_type&, const valarray<_Tp>&)'
 1206 | _DEFINE_BINARY_OPERATOR(&&, __logical_and)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1206:1: note:   template argument deduction/substitution failed:
a.cc:44:47: note:   '__gnu_cxx::__alloc_traits<std::allocator<std::__debug::vector<long long int> >, std::__debug::vector<long long int> >::value_type' {aka 'std::__debug::vector<long long int>'} is not derived from 'const std::valarray<_Tp>'
   44 |         if (0 <= i + 1 && i + 1 < h && dp[i][j]) {
      |                                               ^
a.cc:48:37: error: no match for 'operator&&' (operand types are 'bool' and '__gnu_cxx::__alloc_traits<std::allocator<std::__debug::vector<long long int> >, std::__debug::vector<long long int> >::value_type' {aka 'std::__debug::vector<long long int>'})
   48 |         if (0 <= j + 1 && j + 1 < w && dp[i][j]) {
a.cc:48:37: note: candidate: 'operator&&(bool, bool)' (built-in)
a.cc:48:37: note:   no known conversion for argument 2 from '__gnu_cxx::__alloc_traits<std::allocator<std::__debug::vector<long long int> >, std::__debug::vector<long long int> >::value_type' {aka 'std::__debug::vector<long long int>'} to 'bool'
/usr/include/c++/14/bits/valarray_after.h:415:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__logical_and, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)'
  415 |     _DEFINE_EXPR_BINARY_OPERATOR(&&, struct std::__logical_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:415:5: note:   template argument deduction/substitution failed:
a.cc:48:47: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'bool'
   48 |         if (0 <= j + 1 && j + 1 < w && dp[i][j]) {
      |                                               ^
/usr/include/c++/14/bits/valarray_after.h:415:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__logical_and, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  415 |     _DEFINE_EXPR_BINARY_OPERATOR(&&, struct std::__logical_and)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:415:5: note:   template argument deduction/substitution failed:
a.cc:48:47: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'bool'
   48 |         if (0 <= j + 1 && j + 1 < w && dp[i][j]) {
      |                                               ^
/usr/include/c++/14/bits/valarray_after.h:415:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__logical_and, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__logical_and, typename _Dom1::value_type>::result_type> std::operator&&(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  415 |     _DEFINE_EXPR_BINARY_OPERATOR(&&, struct std::__logical_and)
      |     ^~~~~~~~~~~