QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#757816#9529. Farm ManagementCyan_GhostWA 0ms3652kbC++141.1kb2024-11-17 13:47:222024-11-17 13:47:23

Judging History

你现在查看的是最新测评结果

  • [2024-11-17 13:47:23]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3652kb
  • [2024-11-17 13:47:22]
  • 提交

answer

#include <bits/stdc++.h>

using namespace std;

const int N = 2e6 + 101;

int p[N], v[N];

struct node {
	int w, l, r, val; 
} a[N];

bool cmp(node u, node v) {
	if (u.w <= v.w) return true;
	else return false;
}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	
	int n, m; cin >> n >> m;
	int all = 0, tim = 0;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i].w >> a[i].l >> a[i].r;
		a[i].val = a[i].w * (a[i].r - a[i].l);	// 可以多的贡献
		
		all += a[i].w * a[i].l;
		tim += a[i].l;
	}
	sort(a + 1, a + n + 1, cmp);
	
	for (int i = n; i >= 1; --i) {
		p[i] = p[i + 1] + a[i].r - a[i].l;		// 可以做的时间 
		v[i] = v[i + 1] + a[i].val;				// 可以多的贡献 
	}
	
	int ans = 0;
	for (int i = 1; i <= n; ++i) {
		int now = all - a[i].w * a[i].l, t = m - tim + a[i].l;
		int l = i + 1, r = n, k = n + 1;
		while (l <= r) {
			int mid = (l + r) / 2;
			if (p[mid] <= t) r = mid - 1, k = mid;
			else l = mid + 1;
		}
		now += v[k], t -= p[k];
		k -= 1;
		now += t * a[k].w;
		ans = max(ans, now);
	}
	cout << ans;
	
	return 0;	
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3644kb

input:

5 17
2 3 4
6 1 5
8 2 4
4 3 3
7 5 5

output:

109

result:

ok single line: '109'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3652kb

input:

12 62
503792 9 10
607358 1 3
600501 10 10
33249 4 4
774438 6 6
197692 3 6
495807 8 8
790225 5 9
77272 3 8
494819 4 9
894779 3 9
306279 5 6

output:

35204500

result:

ok single line: '35204500'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3616kb

input:

15 32
835418 2 3
178262 1 3
527643 2 2
519710 1 1
774544 3 3
82312 1 1
808199 1 1
809396 1 3
255882 1 3
80467 1 3
874973 1 3
813965 1 2
198275 1 2
152356 1 3
802055 1 1

output:

22000255

result:

ok single line: '22000255'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3552kb

input:

13 20
526447 1 1
807398 2 2
4167 1 2
944031 2 2
830685 2 2
394251 1 2
505011 1 2
968848 1 1
58170 1 3
32504 1 1
792273 3 3
196120 1 2
714507 1 1

output:

12878768

result:

ok single line: '12878768'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3600kb

input:

13 32
582584 1 3
335440 3 3
971984 1 2
864169 1 2
528515 1 1
382399 1 2
459855 1 2
406909 2 3
66780 2 3
885118 3 3
434844 1 2
93331 1 3
502509 1 3

output:

22065034

result:

ok single line: '22065034'

Test #6:

score: 0
Accepted
time: 0ms
memory: 3640kb

input:

12 77
30244 1 7
518214 3 8
486001 8 9
152634 2 3
180255 3 4
791887 1 6
635820 2 9
881171 3 5
337905 3 8
683182 5 5
300786 3 6
339094 7 9

output:

50453764

result:

ok single line: '50453764'

Test #7:

score: -100
Wrong Answer
time: 0ms
memory: 3600kb

input:

10 3923726
826284 215861 638800
471693 146746 886003
140800 532315 684546
673434 604071 814259
170671 299465 525449
104262 689547 855391
215333 591975 803421
795321 31606 984783
103838 361911 601318
145693 450227 686945

output:

999405353

result:

wrong answer 1st lines differ - expected: '1597735409747', found: '999405353'