Language: C++

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
#define rrep(i,n) for(int (i)=((n)-1);(i)>=0;(i)--)
#define itn int
#define all(x) (x).begin(),(x).end()
#define F first
#define S second
const long long INF = 1LL << 60;
const int MOD = 1000000007;
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
signed main(void){
    cin.tie(0);
    ios::sync_with_stdio(false);
    int n,k; cin>>n>>k;
    vector <int> a(n);
    rep(i,n) cin>>a[i];
    vector <vector<int>> dp(n+10,vector <int>(100010));
    vector <int> cum(100010);
    cum[0] = 0;
    dp[0][0] = 1;
    
    dp[0][0]=1;
    for(int i=1;i<n+1;i++){
	    cum[0]=0;
	    for(int j=1;j<n+1;j++){
            cum[j] = (cum[j-1] + dp[i-1][j-1]) % MOD;
        }
	    rep(j,k+1) dp[i][j]=(cum[j+1]-cum[max(0,j-a[i])]+MOD)%MOD;
    }
    ans=dp[N][K];
    cout<<dp[n][k]<<endl;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:31:50: error: no matching function for call to 'max(int, long long int)'
   31 |             rep(j,k+1) dp[i][j]=(cum[j+1]-cum[max(0,j-a[i])]+MOD)%MOD;
      |                                               ~~~^~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 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:31:50: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   31 |             rep(j,k+1) dp[i][j]=(cum[j+1]-cum[max(0,j-a[i])]+MOD)%MOD;
      |                                               ~~~^~~~~~~~~~
/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:
/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:31:50: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   31 |             rep(j,k+1) dp[i][j]=(cum[j+1]-cum[max(0,j-a[i])]+MOD)%MOD;
      |                                               ~~~^~~~~~~~~~
a.cc:33:5: error: 'ans' was not declared in this scope; did you mean 'abs'?
   33 |     ans=dp[N][K];
      |     ^~~
      |     abs
a.cc:33:12: error: 'N' was not declared in this scope
   33 |     ans=dp[N][K];
      |            ^
a.cc:33:15: error: 'K' was not declared in this scope
   33 |     ans=dp[N][K];
      |               ^