#include <iostream>
#include <stdio.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define in(x) freopen(x, "r", stdin)
#define out(x) freopen(x, "w", stdout)
//#pragma GCC optimize("Ofast")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC optimize("-O3")
#define F first
#define S second
#define pb push_back
#define N +200500
#define M ll(998244353)
#define sz(x) (int)x.size()
#define re return
#define oo ll(1e18)
#define el '\n'
#define pii pair <int, int>
#define all(x) (x).begin(), (x).end()
#define arr_all(x, n) (x + 1), (x + 1 + n)
//#define vi vector <int>
using namespace std;
//using namespace __gnu_pbds;
//typedef tree <int, null_type, less_equal <int> , rb_tree_tag, tree_order_statistics_node_update> ordered_set;
typedef long long ll;
typedef long double ld;
struct tree{
tree *L, *R;
ll mn;
tree () {
mn = 1e9;
L = NULL;
R = NULL;
}
void upd(ll l, ll r, ll ps, ll val)
{
if (l == r)
mn = val;
else
{
ll md = (l + r) / 2ll;
if (ps <= md)
{
if (L == NULL)
L = new tree();
L -> upd(l, md, ps, val);
}
else
{
if (R == NULL)
R = new tree();
R -> upd(md + 1, r, ps, val);
}
mn = 1e9;
if (L != NULL) mn = min(mn, L -> mn);
if (R != NULL) mn = min(mn, R -> mn);
}
}
ll get(ll l, ll r, ll tl, ll tr)
{
if (l > r || tl > tr || l > tr || tl > r)
return 1e9;
if (l == tl && r == tr)
return mn;
ll md = (l + r) / 2ll;
ll cur_0 = 1e9;
ll cur_1 = 1e9;
if (L != NULL)
cur_0 = L -> get(l, md, tl, min(md, tr));
if (R != NULL)
cur_1 = R -> get(md + 1, r, max(md + 1, tl), tr);
return min(cur_0, cur_1);
}
};
tree t;
int i, n, x, g, e;
ll pf[N], pr, ans;
int main()
{
// ios_base::sync_with_stdio(0);
// cin.tie(NULL);
in("divide.in");
out("divide.out");
// in("input.txt");
// out("output.txt");
cin >> n;
// pr[i] - pr[j - 1] >= x[i] - x[j]
// pr[i] - x[i] >= pr[j - 1] - x[j]
for (i = 1; i <= n; i++)
{
ll prr = pr;
cin >> x >> g >> e;
pr += e;
pf[i] = pf[i - 1] + g;
int j = t.get(0, 2e9, 0, 1e9 + pr - x);
if (j == 1e9)
j = i;
ans = max(ans, pf[i] - pf[j - 1]);
t.upd(0, 2e9, 1e9 + prr - x, i);
}
cout << ans;
}
Compilation message
divide.cpp: In function 'int main()':
divide.cpp:5:22: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
5 | #define in(x) freopen(x, "r", stdin)
| ~~~~~~~^~~~~~~~~~~~~~~
divide.cpp:99:5: note: in expansion of macro 'in'
99 | in("divide.in");
| ^~
divide.cpp:6:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
6 | #define out(x) freopen(x, "w", stdout)
| ~~~~~~~^~~~~~~~~~~~~~~~
divide.cpp:100:5: note: in expansion of macro 'out'
100 | out("divide.out");
| ^~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
256 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
256 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
256 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
