#include <bits/stdc++.h>
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
using namespace std;
const int N = 100001;
struct st{
int l, r, g, e;
};
st t[N * 4];
st a[N];
int n;
st merge(st a, st b){
st res = {};
if(a.e + b.e - abs(a.r - b.l) < 0){
if(a.g < b.g)
return b;
return a;
}
res.g = a.g + b.g;
res.e = a.e + b.e - abs(a.r - b.l);
res.l = a.l;
res.r = b.r;
return res;
}
void build(int v = 1,int tl = 1, int tr = n){
if(tl == tr){
t[v] = a[tl];
}else{
int mid = (tl + tr) >> 1;
build(v * 2, tl, mid);
build(v * 2 + 1,mid + 1, tr);
t[v] = merge(t[v * 2], t[v * 2 + 1]);
}
//cout << tl <<"-" << tr <<" " << t[v].g << endl;
}
int get(int l, int r, int v = 1, int tl = 1, int tr = n){
if(tl > r || tr < l)
return 0;
if(tl >= l && tr <= r){
return t[v].g;
}
int mid = (tl + tr) >> 1;
return get(l, r, v * 2, tl, mid) + get(l, r, v * 2 + 1, mid + 1, tr);
}
main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n;
for(int i = 1; i <= n; i++){
cin >> a[i].l >> a[i].g >> a[i].e;
a[i].r = a[i].l;
}
build();
int ans = 0;
for(int i = 1; i <= n; i++){
ans = max(ans, get(1, i));
}
cout << ans;
}
Compilation message
divide.cpp:52:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
52 | main(){
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
