Language: C++

#include <bits/stdc++.h>
using namespace std;

const long long INF ((1LL << 30) - 1);

int main() {
    int n, m, p;
    cin >> n >> m >> p;
    vector<int> a(m), b(m), c(m);
    for (int i = 0; i < m; i++) {
        cin >> a[i] >> b[i] >> c[i];
        c[i] -= p;
        c[i] *= -1;
    }

    vector<long long> dist(n+1);
    dist[1] = 0;
    for (int i = 2; i < n + 1; i++) {
        dist[i] = INF;
    }

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            // cout << b[j] << " is " << dist[b[j]] << endl;
            if (dist[a[j]] != INF && dist[a[j]] + c[j] < dist[b[j]]) {
                dist[b[j]] = dist[a[j]] + c[j];
                // cout << b[j] << " is " << dist[b[j]] << endl;
            }
        }
    }

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m; j++) {
            if (dist[a[j]] != INF && dist[a[j]] + c[j] < dist[b[j]]) {
                dist[b[j]] = -INF;
            }
        }
    }
    if (dist[n] == -INF) {
        cout << -1 << endl;
    } else {
        cout << max(0, -1 * dist[n]) << endl;
    }
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:42:20: error: no matching function for call to 'max(int, __gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type)'
   42 |         cout << max(0, -1 * dist[n]) << endl;
      |                 ~~~^~~~~~~~~~~~~~~~~
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:42:20: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'})
   42 |         cout << max(0, -1 * dist[n]) << endl;
      |                 ~~~^~~~~~~~~~~~~~~~~
/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:42:20: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   42 |         cout << max(0, -1 * dist[n]) << endl;
      |                 ~~~^~~~~~~~~~~~~~~~~