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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#793128 | #7744. Elevator | einekleine18 | WA | 40ms | 5468kb | C++20 | 1.8kb | 2024-11-29 17:00:13 | 2024-11-29 17:00:14 |
Judging History
answer
#include<bits/stdc++.h>
#include <vector>
#define int long long
using namespace std;
#define endl '\n'
using a2=std::array<int,2>;
using a3=std::array<int,3>;
void solve(){
int n,k;
std::cin>>n>>k;
std::vector<a3>v(n);
for(auto &[a,b,c]:v) std::cin>>a>>b>>c;
std::sort(v.begin(),v.end(),[&](a3 l,a3 r){
if(l[2]!=r[2]) return l[2]>r[2];
return l[1]>r[1];
});
std::vector<int>pos;
for(int i=0;i<n;++i){
if(v[i][1]==1){
pos.push_back(i);
}
}
int ans=0,sz=pos.size();
for(int i=0,p=0;i<n;){
int val=v[i][2];
int w=0,j=i;
while(i<n&&w<k){
if(k-w>=v[i][1]*v[i][0]){
w+=v[i][1]*v[i][0];
++i;
}else{
int cnt=(k-w)/v[i][1];
w+=cnt*v[i][1];
v[i][0]-=cnt;
break;
}
}
if(w<k){
while(p<sz&&pos[p]<i) ++p;
while(p<sz&&w<k){
if(v[pos[p]][0]>=w-k){
v[pos[p]][0]-=w-k;
w=k;
}else{
w+=v[pos[p]][0];
v[pos[p]][0]=0;
++p;
}
}
}
ans+=val;
if(i==j){
int nums=k/v[i][1];
if(nums<=v[i][0]){
int zu=v[i][0]/nums;
ans+=val*zu;
v[i][0]-=zu*nums;
}
}
}
std::cout<<ans<<'\n';
}
signed main(){
#ifdef LOCAL
std::freopen("in.txt","r",stdin);
std::freopen("out.txt","w",stdout);
#endif
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
std::cout.tie(nullptr);
int _=1;
std::cin>>_;
for(int i=0;i<_;++i){
solve();
}
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3560kb
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
Wrong Answer
time: 40ms
memory: 5468kb
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 20 6 4 1 8 5 5 7 1 3 23 6 3 3 2 2 2 3 8 1 5 6 9 11 151 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 ...
result:
wrong answer 15th lines differ - expected: '17', found: '20'