Language: C++

#include<iostream>
#include<string>
#include<vector>
#include<queue>
#include<algorithm>
#include<cstdint>
#include<set>
#include<map>
using namespace std;


int main()
{
  int64_t N, M, P;

  cin >> N >> M >> P;
  const int64_t INF = 1LL << 50;
  const int NMAX = 2500;
  const int MMAX = 5000;
  int a[MMAX];
  int b[MMAX];
  int c[MMAX];
  for (int64_t i = 0; i < M; ++i) {
    cin >> a[i] >> b[i] >> c[i];
    --(a[i]);
    --(b[i]);
    c[i] = P - c[i];
  }
  int64_t dist[NMAX];
  dist[0] = 0;
  for (int i = 1; i < N; ++i) {
    dist[i] = INF;
  }
  for (int loop = 0; loop < N; ++loop) {
    for (int i = 0; i < M; ++i) {
      if (dist[a[i]] == INF) continue;
      if (dist[b[i]] > dist[a[i]] + c[i]) {
        dist[b[i]] = dist[a[i]] + c[i];
      }
    }
  }
  int64_t ans = - dist[N - 1];
  bool negative[NMAX];
  for (int i = 0; i < N; ++i) {
    negative[i] = false;
  }
  for (int loop = 0; loop < N; ++loop) {
    for (int i = 0; i < M; ++i) {
      if (dist[a[i]] == INF) continue;
      if (dist[b[i]] > dist[a[i]] + c[i]) {
        dist[b[i]] = dist[a[i]] + c[i];
        negative[i] = true;
      }
      if (negative[a[i]]) {
        negative[b[i]] = true;
      }
    }
  }

  if (negative[N - 1]) {
    cout << -1;
  } else {
    cout << max(1LL, ans);
  }

  return 0;
}




Compiler output:
a.cc: In function 'int main()':
a.cc:63:16: error: no matching function for call to 'max(long long int, int64_t&)'
   63 |     cout << max(1LL, ans);
      |             ~~~^~~~~~~~~~
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:63:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int64_t' {aka 'long int'})
   63 |     cout << max(1LL, ans);
      |             ~~~^~~~~~~~~~
/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:5:
/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:63:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   63 |     cout << max(1LL, ans);
      |             ~~~^~~~~~~~~~