답안 #681480

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
681480	2023-01-13T07:02:52 Z	boykut	금 캐기 (IZhO14_divide)	C++14	17 / 100	1 ms	340 KB

divide

#include <bits/stdc++.h>

using namespace std;

const int N = 100100;
int x[N], g[N], e[N];
long long pg[N], pe[N], prefmin[N];

int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  
  int n;
  cin >> n;
  for (int i = 1; i <= n; i++) {
    cin >> x[i] >> g[i] >> e[i];
    pg[i] = pg[i-1] + g[i];
    pe[i] = pe[i-1] + e[i];
    prefmin[i] = pe[i-1] - x[i];
  }
  
  long long answer = 0;
  for (int r = 1; r <= n; r++) {
    int A = 1, B = r;
    while (A < B) {
      int l = (A + B) >> 1;
      if (prefmin[l] <= pe[r]-x[r])
        B = l;
      else
        A = l + 1;
    }
    answer = max(answer, pg[r]-pg[B-1]);
  }
  
  cout << answer;
  
  return 0;
}

Subtask #1

17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct

Subtask #2

0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 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	324 KB	Output is correct
15	Incorrect	1 ms	336 KB	Output isn't correct
16	Halted	0 ms	0 KB	-

Subtask #3

0 / 52.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	1 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	0 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	324 KB	Output is correct
15	Incorrect	1 ms	336 KB	Output isn't correct
16	Halted	0 ms	0 KB	-