Language: C++

#include <bits/stdc++.h>

using namespace std;

const int N = 500005;

int n, m, a[N], b[N], c[N];
bool vis[N];
long long value[N];
vector<pair<int, int> > V[N];

void DFS(int w) {
    vis[w] = true;
    for (int i = 0; i < (int)V[w].size(); i++) {
        int u = V[w][i].first;
        int weight = V[w][i].second;
        if (!vis[u]) {
            value[u] = value[w] + weight;
        }
    }
}

int main() {
    
    scanf("%d %d", &n, &m);
    for (int i = 1; i <= m; i++) {
        scanf("%d %d %d", &a[i], &b[i], &c[i]);
        V[a[i]].push_back({b[i], c[i]});
        V[b[i]].push_back({a[i], -c[i]});
    }
    
    for (int i = 1; i <= n; i++) {
        if (!vis[i]) DFS(i);
    }
    
    int mn = 1e9;
    int mx = -1e9;
    for (int i = 1; i <= n; i++) {
        mn = min(mn, value[i]);
        mx = max(mx, value[i]);
    }
    
    if (mx - mn > 1e9) {
        printf("No\n");
        return 0;
    }
    
    for (int i = 1; i <= m; i++) {
        if (value[b[i]] - value[a[i]] != c[i]) {
            printf("No\n");
            return 0;
        }
    }
    
    printf("Yes\n");
    
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:39:17: error: no matching function for call to 'min(int&, long long int&)'
   39 |         mn = min(mn, value[i]);
      |              ~~~^~~~~~~~~~~~~~
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: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:39:17: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   39 |         mn = min(mn, value[i]);
      |              ~~~^~~~~~~~~~~~~~
/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
In file included from /usr/include/c++/14/algorithm:61:
/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:39:17: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   39 |         mn = min(mn, value[i]);
      |              ~~~^~~~~~~~~~~~~~
a.cc:40:17: error: no matching function for call to 'max(int&, long long int&)'
   40 |         mx = max(mx, value[i]);
      |              ~~~^~~~~~~~~~~~~~
/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:40:17: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   40 |         mx = max(mx, value[i]);
      |              ~~~^~~~~~~~~~~~~~
/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
/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:40:17: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   40 |         mx = max(mx, value[i]);
      |              ~~~^~~~~~~~~~~~~~