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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#754977#9529. Farm Managementqcfff#WA 1ms5676kbC++111.3kb2024-11-16 16:10:542024-11-16 16:10:56

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你现在查看的是最新测评结果

  • [2024-11-16 16:10:56]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:5676kb
  • [2024-11-16 16:10:54]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=1e5+10;
const int inf=0x3f3f3f3f3f3f3f3f;
int n,m;
struct node{
	int val,l,r;
}a[N];
int sl[N],sr[N],vl[N],vr[N];
signed main(){
	cin>>n>>m;
	int tot=0,sum=0;
	for(int i=1;i<=n;i++){
		cin>>a[i].val>>a[i].l>>a[i].r;
		tot+=a[i].l;
		sum+=a[i].l*a[i].val;
	}
	sort(a+1,a+1+n,[](node x,node y){
		return x.val>y.val;
	});
	for(int i=1;i<=n;i++){
		sl[i]=sl[i-1]+a[i].r;
		vl[i]=vl[i-1]+a[i].r*a[i].val;
	}
	for(int i=n;i>=1;i--){
		sr[i]=sr[i+1]+a[i].l;
		vr[i]=vr[i+1]+a[i].l*a[i].val;
	}
	int ans=0;
	for(int i=1;i<=n;i++){
		ans=max(ans,sum+a[i].val*(m-tot));
	}
	for(int i=1;i<=n;i++){
		int l=1,r=n-1;
		while(l<r){
			int mid=(l+r+1)>>1;
			int tmp=0;
			if(mid>=i){
				tmp=sl[mid+1]-a[i].r+sr[mid+2];
			}else{
				tmp=sl[mid]+sr[mid+1]-a[i].l;
			}
			if(tmp<=m){
				l=mid;
			}else{
				r=mid-1;
			}
		}
		int tmp=0,vv=0;
		if(l>=i){
			tmp=sl[l+1]-a[i].r+sr[l+2];
			vv=vl[l+1]-a[i].r*a[i].val+vr[l+2];
			if(l==n-1||l==i-1){
				vv+=(m-tmp)*a[i].val;
			}else{
				vv+=(m-tmp)*a[l+2].val;
			}
		}else{
			tmp=sl[l]+sr[l+1]-a[i].l;
			vv=vl[l]+vr[l+1]-a[i].l*a[i].val;
			if(l==n-1||l==i-1){
				vv+=(m-tmp)*a[i].val;
			}else{
				vv+=(m-tmp)*a[l+1].val;
			}
		}
		ans=max(ans,vv);
	}
	cout<<ans;
	return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 1ms
memory: 5632kb

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: -100
Wrong Answer
time: 0ms
memory: 5676kb

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:

35309054

result:

wrong answer 1st lines differ - expected: '35204500', found: '35309054'