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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 |
---|---|---|---|---|---|---|---|---|---|
#810952 | #9529. Farm Management | fzx | WA | 2ms | 11912kb | C++14 | 1.2kb | 2024-12-12 13:54:17 | 2024-12-12 13:54:18 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
#define pb push_back
using namespace std;
const int INF=1e6+5;
int n,m,w[INF],p[INF],l[INF],r[INF],S[INF],S2[INF];
void solve() {
cin>>n>>m;int suml=0,res=0,ans=0;
for (int i=1;i<=n;i++) {
cin>>w[i]>>l[i]>>r[i];
suml+=l[i];res+=l[i]*w[i];
p[i]=i;
}
sort(p+1,p+1+n,[](int x,int y){return w[x]>w[y];});
for (int i=1;i<=n;i++)
S[i]=S[i-1]+(r[p[i]]-l[p[i]]),
S2[i]=S2[i-1]+(r[p[i]]-l[p[i]])*w[p[i]];
for (int i=1;i<=n;i++) {
int s1=suml-l[p[i]],r1=res-l[p[i]]*w[p[i]];
s1=m-s1;
if (s1>=S[i-1])
ans=max(ans,r1+(s1-S[i-1])*w[p[i]]+S2[i-1]);
else {
int L=1,R=i-1,ans=-1;
while (L<=R) {
int Mid=(L+R)>>1;
if (S[Mid]>=s1) R=(ans=Mid)-1;
else L=Mid+1;
}
assert(ans!=-1);
int it=S2[ans-1]+r1+(s1-S[ans-1])*w[p[ans]];
ans=max(ans,it);
}
// int L=1,R=i,ans=-1;
// ans=max(ans,res-l[i]*)
}
cout<<ans<<"\n";
}
signed main()
{
ios::sync_with_stdio(false);
int t=1;
while (t--) solve();
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 2ms
memory: 11912kb
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: 11844kb
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:
32281150
result:
wrong answer 1st lines differ - expected: '35204500', found: '32281150'