#include<bits/stdc++.h>
#include<ext/pb_ds/tree_policy.hpp>
#include<ext/pb_ds/assoc_container.hpp>
#define fi first
#define se second
#define new new228
#define pb push_back
#define rank rank228
#define int long long
#define sz(c) (int)(c).size()
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define in freopen("divide.in", "r", stdin);
#define out freopen("divide.out", "w", stdout);
using namespace std;
using namespace __gnu_pbds;
#pragma GCC optimize("Ofast")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,popcnt,abm,mmx,tune=native")
#pragma GCC optimize("fast-math")
#pragma warning(disable : 4996)
typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; // st.oreder_of_key();
const int N = 300300;
const int INF = 1e15;
const int MOD = 1e9 + 7;
int TN = 1;
int n, ans;
int x[N], g[N], d[N];
bool can(int r, int l) {
return x[r] - x[l] <= d[r] - d[l - 1];
}
void solve() {
scanf("%lld", &n);
for (int i = 1; i <= n; i++) {
scanf("%lld %lld %lld", &x[i], &g[i], &d[i]);
ans = max(ans, g[i]);
g[i] += g[i - 1]; d[i] += d[i - 1];
}
for (int i = 1; i <= n; i++) {
int l = i, r = n;
while (l <= r) {
int mid = (l + r) >> 1;
if (can(mid, i)) {
l = mid + 1;
} else {
r = mid - 1;
}
}
ans = max(ans, g[l] - g[i - 1]);
/*if (can(r, i)) {
ans = max(ans, g[r] - g[i - 1]);
}
if (can(l, i)) {
ans = max(ans, g[l] - g[i - 1]);
}*/
}
printf("%lld\n", ans);
return;
}
signed main() {
// ios_base::sync_with_stdio(0);
// in; out; // cin >> TN;
while (TN--) { solve(); }
return 0;
}
Compilation message
divide.cpp:25:0: warning: ignoring #pragma warning [-Wunknown-pragmas]
#pragma warning(disable : 4996)
divide.cpp: In function 'void solve()':
divide.cpp:43:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld", &n);
~~~~~^~~~~~~~~~~~
divide.cpp:45:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld %lld %lld", &x[i], &g[i], &d[i]);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Incorrect |
2 ms |
380 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
440 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
3 ms |
568 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
