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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 |
---|---|---|---|---|---|---|---|---|---|
#689593 | #9529. Farm Management | am_i# | WA | 0ms | 3812kb | C++17 | 1.9kb | 2024-10-30 17:52:51 | 2024-10-30 17:52:52 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
void solve(){
int n,m;
cin>>n>>m;
// int l=1,r=1e18;
vector<array<int,3> > a(n+1);
int sum=0,ma=0,ans=0;
for(int i=1;i<=n;i++){
cin>>a[i][0]>>a[i][1]>>a[i][2];
sum+=a[i][1];
ans+=a[i][0]*a[i][1];
}
sort(a.begin()+1,a.end());
reverse(a.begin()+1,a.end());
// auto check = [&](int x){
int ans1=0,l=0,la=0;
//set<pair<int,int> > st;
vector<array<int,3>> c;
vector<int> cc;
for(int i=1;i<=n;i++){
int t=ans-a[i][0]*a[i][1];
if(m-sum+a[i][1]>=l){
t=t+la+(m-sum+a[i][1]-l)*a[i][0];
ans1=max(ans1,t);
}
else {
auto f=upper_bound(cc.begin(),cc.end(),m-sum+a[i][1])-cc.begin()-1;
int et=m-sum+a[i][1]-cc[f];
if(f+1<c.size())t=t+c[f][2]+et*c[f][1];
else t=t+c[f][2];
ans1=max(ans1,t);
}
if(c.empty()){
c.push_back({a[i][2]-a[i][1],a[i][0],a[i][0]*(a[i][2]-a[i][1])});
cc.push_back(c.back()[0]);
}
else {
c.push_back({a[i][2]-a[i][1]+c.back()[0],a[i][0]*(a[i][2]-a[i][1])+c.back()[2]});
cc.push_back(c.back()[0]);
}
l+=a[i][2]-a[i][1];
la+=(a[i][2]-a[i][1])*a[i][0];
}
cout<<ans1<<"\n";
// if(ans>=x)return 0;
// else return 1;
// };
// while(l<r){
// int mid=l+r>>1;
// if(check(mid))r=mid;
// else l=mid+1;
// }
// cout<<l<<"\n";
}
signed main(){
cin.tie(0)->ios::sync_with_stdio(0);
cout.tie(0);
int t=1;
//cin>>t;
while(t--)solve();
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3596kb
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: 3812kb
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:
34950156
result:
wrong answer 1st lines differ - expected: '35204500', found: '34950156'