Language: C++

#include "iostream"
#include "algorithm"
#include "string"
#include "vector"
#include "cmath"
#include "bitset"
#include "queue"
#include "functional"
#include "map"
#include "unordered_map"
#include "set"
#include "stack"
#include "tuple"

#define mod 1000000007
#define sp ' '
#define intmax 2147483647
#define llmax 92233720368547758070
#define nyan "(=^･ω･^=)"
#define mkp make_pair
#define mkt make_tuple
#define P pair<ll, ll>
#define iP pair<int,int>
typedef long long ll;
using namespace std;

ll H,W,a[200][200],dp[400][200][200]={};

int main(){
	cin>>H>>W;
	if(H==1||W==1){
		int ans=0;
		for(int i=0;i!=H;++i)
			for(int j=0;j!=W;++j){
				cin>>a[i][j];
				ans+=a[i][j];
			}
		cout<<ans<<endl;
		return 0;
	}
	for(int i=0;i!=H;++i)
		for(int j=0;j!=W;++j)
			cin>>a[i][j];
	for(int i=1;i!=H+W-2;++i){
		for(int j=max(0,i-H+1);j!=min(i,W-1);++j){
			for(int k=j+1;k!=min(i+1,W);++k){
				if(j)
					dp[i][j][k]=max({dp[i-1][j][k],dp[i-1][j-1][k],dp[i-1][j][k-1],dp[i-1][j-1][k-1]})+a[j][i-j]+a[k][i-k];
				else
					dp[i][j][k]=max(dp[i-1][j][k],dp[i-1][j][k-1])+a[j][i-j]+a[k][i-k];
			}
		}
	}
	cout<<a[0][0]+a[H-1][W-1]+dp[H+W-3][W-2][W-1]<<endl;
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:45:30: error: no matching function for call to 'max(int, ll)'
   45 |                 for(int j=max(0,i-H+1);j!=min(i,W-1);++j){
      |                           ~~~^~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:45:30: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   45 |                 for(int j=max(0,i-H+1);j!=min(i,W-1);++j){
      |                           ~~~^~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:45:30: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   45 |                 for(int j=max(0,i-H+1);j!=min(i,W-1);++j){
      |                           ~~~^~~~~~~~~
a.cc:45:46: error: no matching function for call to 'min(int&, ll)'
   45 |                 for(int j=max(0,i-H+1);j!=min(i,W-1);++j){
      |                                           ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:45:46: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   45 |                 for(int j=max(0,i-H+1);j!=min(i,W-1);++j){
      |                                           ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:45:46: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   45 |                 for(int j=max(0,i-H+1);j!=min(i,W-1);++j){
      |                                           ~~~^~~~~~~
a.cc:46:45: error: no matching function for call to 'min(int, ll&)'
   46 |                         for(int k=j+1;k!=min(i+1,W);++k){
      |                                          ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:46:45: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   46 |                         for(int k=j+1;k!=min(i+1,W);++k){
      |                                          ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:46:45: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   46 |                         for(int k=j+1;k!=min(i+1,W);++k){
      |                                          ~~~^~~~~~~