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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#693743#9529. Farm ManagementpanelopeWA 1ms7820kbC++141.2kb2024-10-31 16:40:242024-10-31 16:40:26

Judging History

你现在查看的是最新测评结果

  • [2024-10-31 16:40:26]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:7820kb
  • [2024-10-31 16:40:24]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;

int n;
long long m;
struct ty{
	long long w,l,r;
}a[100010];
bool cmp(ty x, ty y){
	return x.w<y.w;
}
long long t[100010];
long long rt[100010];
long long wt[100010];
int main(){
	int T = 1; 
    while(T--)
	{
		cin >> n >> m;
		long long ans = 0;
		long long s = 0, cur = 0;
		for(int i=1; i<=n; i++){
			cin >> a[i].w >> a[i].l >> a[i].r;
		}
		sort(a+1, a+1+n, cmp);
		long long sum = 0;
		for(int i=1; i<=n; i++){
			t[i] = a[i].l;
			m -= a[i].l;
			sum += a[i].w * a[i].l;
		}
		ans = sum+m*a[n].w;
		for(int i=n; i>=1; i--){
			if(m>a[i].r-t[i]){
				m -= a[i].r-t[i];
				sum += a[i].w*(a[i].r-t[i]);
				t[i] = a[i].r;
			}
			else{
				sum += a[i].w*m;
				t[i] += m;
				m = 0;
				break;		
			}
		}
		for(int i=n; i>=1; i--){
			rt[i] = rt[i+1] + a[i].r - t[i];
            wt[i] = wt[i+1] + a[i].w * (a[i].r - t[i]);
		}
		for(int i=n-1; i>=1; i--){
			long res = 0;
			long l = i+1, r = n;
			while(l<=r){
				long long mid = (l+r)/2;
				if(t[i]>=rt[mid]){
					r = mid-1;
				}
				else
					l = mid+1;
			}
			res = wt[l] - t[i]*a[i].w + (t[i]-t[l])*a[l-1].w;
			ans = max(ans,sum+res);
		}
		cout << ans << endl;

	}
	return 0;
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 7820kb

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: 1ms
memory: 5752kb

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:

36681121

result:

wrong answer 1st lines differ - expected: '35204500', found: '36681121'