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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#514391 | #7744. Elevator | HJR | TL | 0ms | 3548kb | C++23 | 1.8kb | 2024-08-11 01:08:30 | 2024-08-11 01:08:31 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define endl "\n"
#define debug(x) cout<<#x<<": "<<x<<endl
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
using ll=long long;
using ull=unsigned long long;
#define int long long
struct node
{
int c,w,f;
bool operator<(const node&t)const{
return f>t.f;
}
};
void solve(){
int n,k;
cin>>n>>k;
vector<node> a(n);
for(int i=0;i<n;i++)
cin>>a[i].c>>a[i].w>>a[i].f;
sort(a.begin(),a.end());
set<int> st;
for(int i=0;i<n;i++){
if(a[i].w==1)
st.insert(i);
}
int ans=0,cm=0;
int cur=0;
for(int i=0;i<n;i++){
if(!st.empty()&&i==*st.begin())
st.erase(st.begin());
cm=max(cm,a[i].f);
if(cur+a[i].w*a[i].c<k){
cur+=a[i].w*a[i].c;
}
else if(cur+a[i].w*a[i].c==k){
ans+=cm;
cur=0;
cm=0;
}
else{
int lf=k-cur;
if(lf%a[i].w){
if(!st.empty()){
int del=*st.begin();
a[del].c--;
if(a[del].c==0){
st.erase(del);
}
}
ans+=cm;
cm=a[i].f;
a[i].c-=lf/a[i].w;
}
else{
ans+=cm;
cm=a[i].f;
a[i].c-=lf/a[i].w;
}
cur=0;
i--;
}
}
if(cur){
ans+=cm;
}
cout<<ans<<endl;
}
signed main(){
ios::sync_with_stdio(0);
cout.tie(0);
cin.tie(0);
int t;
cin>>t;
while(t--){
solve();
}
}
/*
贡献法
正难则反
数小状压
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3548kb
input:
2 4 6 1 1 8 7 2 5 1 1 7 3 2 6 8 1200000 100000 1 100000 100000 1 12345 100000 2 100000 100000 2 12345 100000 1 100000 100000 1 12345 100000 2 100000 100000 2 12345
output:
24 100000
result:
ok 2 lines
Test #2:
score: -100
Time Limit Exceeded
input:
5501 8 104 5 2 3 6 2 4 5 2 3 6 2 9 8 2 4 2 1 3 7 2 4 8 2 8 1 290 3 1 1 12 12 6 1 2 1 2 2 1 1 2 1 2 4 6 1 1 1 2 5 6 1 4 4 1 4 6 2 4 6 2 5 4 2 5 4 1 4 5 334 1 1 4 1 2 3 4 2 1 5 1 1 2 1 2 13 218 5 2 3 5 1 4 1 2 1 1 2 5 3 2 2 1 1 3 4 2 2 1 2 5 2 2 1 2 1 5 3 2 1 5 2 1 1 1 4 10 260 7 2 1 5 1 1 5 2 4 6 1 6...
output:
9 1 23 4 5 7 1 3 9 6 1 10 4 9 17 6 4 1 8 5 5 7 1 3 23 6 3 3 2 2 2 3 8 1 5 6 9 11 148 7 10 2 7 7 8 6 5 5 1 7 3 5 10 7 7 10 8 1 4 2 3 9 1 5 2 9 1 6 7 7 6 10 18 8 10 4 10 9 2 8 3 5 9 3 6 5 3 2 6 1 3 2 2 1 6 9 6 3 4 8 9 9 2 6 1 2 6 7 5 2 5 21 8 1 2 3 4 9 3 4 6 5 9 6 1 7 3 7 3 2 2 8 7 3 5 9 7 10 7 3 2 4 ...