#include <bits/stdc++.h> using namespace std; #define int long long #define MAXN 100100 int x[MAXN], g[MAXN], d[MAXN], n; int prg[MAXN], prd[MAXN], mn[MAXN]; int ans; int search(int i, int E) { int l = 1, r = i, pos = 1; while (l < r) { int m = (l + r) / 2; if (mn[m] <= E) { r = m; } else { l = m + 1; } } return r; } signed main() { ios::sync_with_stdio(0); cin.tie(0); cin >> n; for (int i = 1; i <= n; i++) { cin >> x[i] >> g[i] >> d[i]; } mn[0] = 1e18; for (int i = 1; i <= n; i++) { prg[i] = g[i]; prd[i] = d[i]; prg[i] += prg[i - 1], prd[i] += prd[i - 1]; mn[i] = min(mn[i - 1], prd[i - 1] - x[i]); int left = search(i, prd[i] - x[i]); ans = max(ans, prg[i] - prg[left - 1]); } cout << ans << '\n'; return 0; }

divide.cpp: In function 'long long int search(long long int, long long int)':
divide.cpp:13:22: warning: unused variable 'pos' [-Wunused-variable]
   13 |    int l = 1, r = i, pos = 1;
      |                      ^~~