#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ff first
#define ss second
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int N = 100'005;
const ll MOD = 1'000'000'007;
const int INF = 0x3f3f3f3f;
ll x[N], g[N], d[N];
ll p1[N], p2[N];
ll w1[N], w2[N];
vector<pair<ll, ll>> v;
ll ans = 0;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n;
cin>>n;
for(int i = 1; i <= n; ++i){
cin>>x[i]>>g[i]>>d[i];
p2[i] = p1[i + 1] = p1[i] + d[i];
w2[i] = w1[i + 1] = w1[i] + g[i];
}
for(int i = 1; i <= n; ++i){
p2[i] -= x[i];
p1[i] -= x[i];
}
for(int i = n; i >= 1; --i){
if(v.empty() || v.back().ff < p2[i])
v.push_back({p2[i], w2[i]});
ans = max(ans, lower_bound(v.begin(), v.end(), p1[i], [](const pair<ll, ll>& lhs, const int& rhs){
return lhs.ff < rhs;
}) -> ss - w1[i]);
}
cout<<ans;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
492 KB |
Output is correct |
| 16 |
Correct |
1 ms |
492 KB |
Output is correct |
| 17 |
Correct |
1 ms |
492 KB |
Output is correct |
| 18 |
Correct |
1 ms |
492 KB |
Output is correct |
| 19 |
Correct |
1 ms |
492 KB |
Output is correct |
| 20 |
Correct |
1 ms |
492 KB |
Output is correct |
| 21 |
Correct |
1 ms |
492 KB |
Output is correct |
| 22 |
Correct |
1 ms |
620 KB |
Output is correct |
| 23 |
Correct |
2 ms |
1004 KB |
Output is correct |
| 24 |
Correct |
2 ms |
1004 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
492 KB |
Output is correct |
| 16 |
Correct |
1 ms |
492 KB |
Output is correct |
| 17 |
Correct |
1 ms |
492 KB |
Output is correct |
| 18 |
Correct |
1 ms |
492 KB |
Output is correct |
| 19 |
Correct |
1 ms |
492 KB |
Output is correct |
| 20 |
Correct |
1 ms |
492 KB |
Output is correct |
| 21 |
Correct |
1 ms |
492 KB |
Output is correct |
| 22 |
Correct |
1 ms |
620 KB |
Output is correct |
| 23 |
Correct |
2 ms |
1004 KB |
Output is correct |
| 24 |
Correct |
2 ms |
1004 KB |
Output is correct |
| 25 |
Correct |
2 ms |
748 KB |
Output is correct |
| 26 |
Correct |
3 ms |
1004 KB |
Output is correct |
| 27 |
Correct |
4 ms |
1132 KB |
Output is correct |
| 28 |
Correct |
17 ms |
4224 KB |
Output is correct |
| 29 |
Correct |
20 ms |
4460 KB |
Output is correct |
| 30 |
Correct |
38 ms |
8780 KB |
Output is correct |
| 31 |
Correct |
31 ms |
7532 KB |
Output is correct |
| 32 |
Correct |
32 ms |
7660 KB |
Output is correct |
| 33 |
Correct |
31 ms |
7404 KB |
Output is correct |
| 34 |
Correct |
43 ms |
8556 KB |
Output is correct |
| 35 |
Correct |
37 ms |
10088 KB |
Output is correct |
| 36 |
Correct |
38 ms |
10344 KB |
Output is correct |
