답안 #854794

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
854794	2023-09-29T01:55:04 Z	NeroZein	금 캐기 (IZhO14_divide)	C++17	100 / 100	26 ms	6832 KB

divide

#include "bits/stdc++.h"
using namespace std;

#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n;
  cin >> n;
  vector<int> x(n + 1), g(n + 1), d(n + 1); 
  for (int i = 1; i <= n; ++i) {
    cin >> x[i] >> g[i] >> d[i];
  }
  vector<long long> pg(n + 1); 
  for (int i = 1; i <= n; ++i) {
    pg[i] = pg[i - 1] + g[i]; 
  }
  vector<long long> ps(n + 1); 
  for (int i = 1; i <= n; ++i) {
    ps[i] = ps[i - 1] + d[i]; 
  }
  vector<long long> suf(n + 1); 
  suf[n] = x[n] - ps[n];
  for (int i = n - 1; i > 0; --i) {
    suf[i] = min(suf[i + 1], x[i] - ps[i]); 
  }
  long long ans = 0; 
  for (int i = 1; i <= n; ++i) {
    long long key = x[i] - ps[i - 1];
    int l = i, r = n;
    while (l < r) {
      int mid = (l + r + 1) >> 1;
      if (suf[mid] <= key) {
        l = mid;
      } else {
        r = mid - 1; 
      }
    }
    ans = max(ans, pg[l] - pg[i - 1]); 
  }
  cout << ans << '\n'; 
  return 0;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct

Subtask #2

31.0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	480 KB	Output is correct
23	Correct	1 ms	604 KB	Output is correct
24	Correct	1 ms	604 KB	Output is correct

Subtask #3

52.0 / 52.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	1 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	348 KB	Output is correct
19	Correct	1 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	348 KB	Output is correct
22	Correct	1 ms	480 KB	Output is correct
23	Correct	1 ms	604 KB	Output is correct
24	Correct	1 ms	604 KB	Output is correct
25	Correct	2 ms	604 KB	Output is correct
26	Correct	2 ms	604 KB	Output is correct
27	Correct	2 ms	604 KB	Output is correct
28	Correct	12 ms	2080 KB	Output is correct
29	Correct	13 ms	3420 KB	Output is correct
30	Correct	26 ms	6832 KB	Output is correct
31	Correct	22 ms	5724 KB	Output is correct
32	Correct	20 ms	5720 KB	Output is correct
33	Correct	19 ms	5468 KB	Output is correct
34	Correct	21 ms	5468 KB	Output is correct
35	Correct	23 ms	5976 KB	Output is correct
36	Correct	23 ms	6224 KB	Output is correct