#include <bits/stdc++.h> #include <iostream> using namespace std; typedef long long ll; const int INF = 0x3f3f3f3f; int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); ll T = 1; //cin >> T; while (T--){ ll n; cin >> n; vector<pair<ll,ll>> a; vector<ll> b; for (int i = 0; i<n; i++){ ll x,y,w; cin >> x >> y >> w; a.push_back({x,w}); } sort(a.begin(),a.end()); b.push_back(0); for (int i = 0; i<n; i++){ b.push_back(a[i].second); } for (int i = 1; i<n+1; i++){ b[i] = b[i] + b[i-1]; } ll cur_min = 0; ll ans; for (int i = 0; i<n+1; i++){ if (b[i] < cur_min) cur_min = b[i]; ans = max(ans, b[i] - cur_min); } cout << ans << endl; } }

bulldozer.cpp: In function 'int main()':
bulldozer.cpp:32:6: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   ll ans;
      ^~~