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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#693080 | #9529. Farm Management | ranxi | WA | 0ms | 3556kb | C++14 | 1.7kb | 2024-10-31 15:30:09 | 2024-10-31 15:30:11 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
#define alls(x) x.begin(),x.end()
#define ull unsigned long long
#define lowbit(x) x&-x
#define lc p<<1
#define rc p<<1|1
#define PII pair<int,int>
#define vi vector<int>
#define int long long
using namespace std;
const ll inf = 2e18;
const int mod = 998244353;
const int N = 1e6+10;
struct node{
int w,l,r;
bool operator<(node const &o)const{
return w<o.w;
}
};
void solve()
{
int n;
ll m;
cin >> n>> m;
vector<node>a(n+1);
for(int i = 1;i<=n;i++)
{
cin >> a[i].w >> a[i].l>>a[i].r;
}
sort(a.begin(),a.end());
reverse(a.begin()+1,a.end());
ll base = 0;
vi s(n+1);
for(int i = 1;i<=n;i++)
{
base += a[i].w * a[i].l;
s[i] = s[i-1] + a[i].w * a[i].l;
m-=a[i].l;
}
vi pre(n+1),pre_val(n+1);
for(int i = 1;i<=n;i++)
{
pre[i] = pre[i-1] + (a[i].r - a[i].l);
pre_val[i] = pre_val[i-1] + (a[i].r-a[i].l)*a[i].w;
}
int ans = 0;
for(int i = 1;i<=n;i++)
{
//case 1:全给i
int u = m+a[i].l;
if(u>=pre[i-1])
{
u-=pre[i-1];
int x = base-a[i].l*a[i].w+pre_val[i-1];
x+=u*a[i].w;
ans = max(ans,x);
}
else
{
int pos = upper_bound(alls(pre),u) - pre.begin()-1;
u-=pre[pos];
int x = base + pre_val[pos] + u*a[pos+1].w;
ans = max(ans,x);
}
}
cout<<ans<<'\n';
}
signed main()
{
cout<<fixed<<setprecision(6);
ios::sync_with_stdio(false),cin.tie(nullptr),cout.tie(nullptr);
int _ = 1;
// cin >> _;
while(_--)solve();
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3556kb
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: 3556kb
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:
40000533
result:
wrong answer 1st lines differ - expected: '35204500', found: '40000533'