/*
* Created: 2022-07-06 11:21
*/
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
using namespace chrono;
// using namespace atcoder
template <typename T>
using ordered_set =
tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
typedef long long ll;
typedef long double ld;
const ll inf = 1e18;
#define pii pair<int,int>
#define pll pair<ll,ll>
#define vi vector<int>
#define vll vector<ll>
#define rep(i, a, b) for(int i = (a);i<(b);i++)
#define repn(i, a, b) for(int i = (a);i>=(b);i--)
#define ss second
#define ff first
#define mkp make_pair
#define pb push_back
#define all(x) (x).begin(), (x).end()
const int N = 100010;
long long g[N];
long long d[N];
long long x[N];
long long dv(int l, int r) {
if(l == r) {
return g[l];
}
ll ans2 = 0;
int mid = (l+r)/2;
map<ll, ll> mp;
int prev = x[mid+1];
long long sumg=0;
long long sum=0;
for(int i = mid+1;i<=r;i++) {
sum+=d[i];
sumg+=g[i];
mp[sum-(x[i]-prev)]=sumg+1;
}
for(auto i = mp.rbegin();i!=mp.rend();++i) {
auto it = i;
++it;
if(it!=mp.rend()) {
(*it).second=max((*i).second, (*it).second);
}
}
long long ans = 0;
sumg=0;
sum=0;
prev=x[mid+1];
for(int i = mid;i>=l;i--) {
sum+=d[i];
sumg+=g[i];
auto it = mp.lower_bound(-sum+(prev-x[i]));
if(it==mp.end())continue;
ans=max(ans, sumg+(*it).second-1);
}
ans2=max(dv(l, mid), dv(mid+1, r));
return max(ans2, ans);
}
void solve() {
int n;
cin >> n;
for(int i = 0;i<n;i++) {
cin >> x[i] >> g[i] >> d[i];
}
cout << dv(0, n-1) << "\n";
}
int main () {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t = 1;
while(t--) {
solve();
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
324 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
328 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
324 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
328 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
2 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
468 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
2 ms |
388 KB |
Output is correct |
22 |
Correct |
2 ms |
596 KB |
Output is correct |
23 |
Correct |
4 ms |
856 KB |
Output is correct |
24 |
Correct |
4 ms |
852 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
324 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
328 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
2 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
468 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
2 ms |
388 KB |
Output is correct |
22 |
Correct |
2 ms |
596 KB |
Output is correct |
23 |
Correct |
4 ms |
856 KB |
Output is correct |
24 |
Correct |
4 ms |
852 KB |
Output is correct |
25 |
Correct |
4 ms |
724 KB |
Output is correct |
26 |
Correct |
8 ms |
1232 KB |
Output is correct |
27 |
Correct |
9 ms |
1384 KB |
Output is correct |
28 |
Correct |
49 ms |
5652 KB |
Output is correct |
29 |
Correct |
52 ms |
5928 KB |
Output is correct |
30 |
Correct |
121 ms |
11752 KB |
Output is correct |
31 |
Correct |
109 ms |
10640 KB |
Output is correct |
32 |
Correct |
103 ms |
10700 KB |
Output is correct |
33 |
Correct |
97 ms |
10484 KB |
Output is correct |
34 |
Correct |
133 ms |
10332 KB |
Output is correct |
35 |
Correct |
110 ms |
11056 KB |
Output is correct |
36 |
Correct |
100 ms |
11220 KB |
Output is correct |