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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#737606#9529. Farm Managementtamata_1WA 2ms9300kbC++231.4kb2024-11-12 16:24:172024-11-12 16:24:17

Judging History

你现在查看的是最新测评结果

  • [2024-11-12 16:24:17]
  • 评测
  • 测评结果:WA
  • 用时:2ms
  • 内存:9300kb
  • [2024-11-12 16:24:17]
  • 提交

answer

#include<bits/stdc++.h>

using namespace std;
#define int long long
struct edge{
	int w,l,r,num;
};
edge a[100010];
bool cmp(const edge&a,const edge&b){
	return a.w<b.w;
}
int w[100010],l[100010],r[100010];
int acc1[100010],acc2[100010];
void solve(){
	int n,m;
	cin>>n>>m;
	int sum=0,cnt=0;
	for(int i=1;i<=n;i++){
		int li,wi,ri;
		cin>>wi>>li>>ri;
		cnt+=li;
		sum+=li*wi;
		a[i].w=wi;
		a[i].l=li;
		a[i].r=ri;
		a[i].num=ri-li;
	}
//	cout<<cnt<<endl;
	int maxx=0;
	memset(acc1,0,sizeof(acc1));
	memset(acc2,0,sizeof(acc2));
	cnt=m-cnt;
	sort(a+1,a+1+n,cmp);
	for(int i=n;i>=1;i--){
		acc1[i]+=acc1[i+1]+a[i].num;
		acc2[i]+=acc2[i+1]+a[i].num*a[i].w;
		w[i]=a[i].w;
		r[i]=a[i].r;
		l[i]=a[i].l;
	}
	for(int i=1;i<=n;i++){
//		cout<<acc1[i]<<" ";
	}
//	cout<<endl;
	for(int i=1;i<=n;i++){
//		cout<<acc2[i]<<" ";
	}
//	cout<<endl;
//	cout<<sum<<endl;
	int sum1=sum;
	for(int i=1;i<=n-1;i++){
		int x=cnt+l[i];
		int pos=lower_bound(acc1+1,acc1+1+n,x,greater<int>())-acc1;
		sum1-=w[i]*a[i].l;
//		cout<<x<<" "<<pos<<" "<<sum1<<endl;
		//cout<<x<<" "<<pos<<endl;
		if(pos<=i){
			pos=i+1;
		}
	//	cout<<acc2[pos]<<" "<<(x-acc1[pos])*w[pos-1]<<" "<<sum1<<endl;
		maxx=max(maxx,acc2[pos]+((x-acc1[pos])*w[pos-1])+sum1);
	}
	maxx=max(maxx,sum+cnt*w[n]);
	cout<<maxx<<endl;
}

signed main(){
	int T=1;
	while(T--){
		solve();
	}
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 2ms
memory: 7188kb

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: 2ms
memory: 7188kb

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: 2ms
memory: 8864kb

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: 8068kb

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: 2ms
memory: 9292kb

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: 9300kb

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: 2ms
memory: 8784kb

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:

1560155295329

result:

wrong answer 1st lines differ - expected: '1597735409747', found: '1560155295329'