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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#717280#9529. Farm ManagementxuzhihaodedieWA 1ms7704kbC++141.6kb2024-11-06 17:28:532024-11-06 17:28:55

Judging History

你现在查看的是最新测评结果

  • [2024-11-06 17:28:55]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:7704kb
  • [2024-11-06 17:28:53]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define x first
#define y second
#define PII pair<int,int>
//#define endl "\n"
#define lson 2*p
#define rson 2*p+1
const int N=2e5+10;
const int mod=998244353;
int l[N],r[N],w[N],id[N];
bool cmp(int x,int y) {
	return w[x]<w[y];
}
void solve() {
	int n,m;
	cin>>n>>m;
	int res=0,ans=0;
	int remain=m;
	for(int i=1;i<=n;i++) {
		cin>>w[i]>>l[i]>>r[i],res+=l[i]*w[i];
		remain-=l[i];
		id[i]=i;
	}
	sort(id+1,id+n+1,cmp);
	vector<int> pre(n+10,0),suf(n+10,0);
	vector<int> sufval(n+10,0);
	for(int i=1;i<=n;i++) {
		int p=id[i];
		pre[i]=pre[i-1]+r[p]-l[p];
	}
	for(int i=n;i>=1;i--) {
		int p=id[i];
		suf[i]=suf[i+1]+r[p]-l[p];
		sufval[i]=sufval[i+1]+(r[p]-l[p])*w[p];
	}
	for(int i=1;i<=n;i++) {
		int j=id[i];
		remain+=l[j];
		int ret=res-l[j]*w[j];
		int L=1,R=n,req=0;
		while(L<=R) {
			int mid=L+R>>1;
			int val=suf[mid];
			if(mid<=i) val=val+m-r[j];
 			if(remain>=val) req=mid,R=mid-1;
			else L=mid+1;
		}
		if(!req) {
			ans=max(ans,ret+(remain)*w[id[n]]);
		} else {
			ret+=sufval[req];
			int val=suf[req];
			if(req<=i) val+=m-r[j],ret+=w[j]*(m-r[j])+l[j]*w[j];
			if(req>1) {
				req--;
				int remain1=remain-val;
				remain1=max(0ll,remain1);
				if(req==i) {
					ret+=min(remain1,m-(r[j]-l[j]))*w[j];
				} else {
					ret+=min(remain1,r[j]-l[j])*w[j];
				}
			}
			ans=max(ans,ret);
		}
		remain-=l[j];
	}
	cout<<ans<<endl;
}
signed main() {
// 	ios::sync_with_stdio(false);
// 	cin.tie(0),cout.tie(0);
	int T=1;
	// cin>>T;
	while(T--) {
		solve();
	}
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 7656kb

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: 1ms
memory: 7612kb

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: 7560kb

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: 1ms
memory: 7704kb

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: 1ms
memory: 7696kb

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: 1ms
memory: 7672kb

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: 1ms
memory: 7692kb

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:

1402986105065

result:

wrong answer 1st lines differ - expected: '1597735409747', found: '1402986105065'