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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#600913 | #7744. Elevator | E7k | TL | 0ms | 0kb | C++20 | 3.4kb | 2024-09-29 19:57:35 | 2024-09-29 19:57:36 |
answer
#include <bits/stdc++.h>
#define endl '\n'
#define int long long
#define gcd __gcd
using namespace std;
typedef pair<int,int> pii;
const int INF = 9e18;
const int inf = 2e9;
signed main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int t;
cin >> t;
// int tt = t;
// int u = 0;
while(t --)
{
// u ++;
int n,k;
cin >> n >> k;
vector<array<int,3>> a;
for(int i = 1;i <= n;i ++)
{
int f,c,w;
cin >> c >> w >> f;
// a[i] = {f,c,w};
if(c > 0)
{
a.push_back({f,c,w});
}
}
sort(a.begin(),a.end());
int ans = 0;
vector<int> res;
n = a.size() - 1;
for(int i = 0;i < a.size();i ++)
{
if((a[i][2] & 1))
{
res.push_back(i);
}
}
int sum = 0,lst = 0;
for(int i = n,j = n;i >= 0;i --)
{
while(j >= 0 && a[j][1] <= 0) j --;
// if(j < 0) break;
if(sum + a[i][1] * a[i][2] <= k)
{
sum += a[i][1] * a[i][2];
if(sum == k || i == 0)
{
ans += a[j][0];
j = i - 1;
sum = 0;
}
continue;
}
int tep = (k - sum) / a[i][2] * a[i][2];
lst = a[i][1] * a[i][2] - tep;
sum += tep;
if(sum < k)
{
while(res.size() && a[res.back()][0] >= a[i][0]) res.pop_back();
if(res.size())
{
auto x = res.back();
if(a[x][1] == 0)
{
res.pop_back();
continue;
}
a[x][1] --;
if(a[x][1] == 0) res.pop_back();
// res.pop_back();
}
}
// if(i == 1) cout << ans << endl;
ans += a[j][0];
// if(i == 1) cout << 'y' << ans << endl;
if(lst >= k)
{
int cnt = lst / k;
ans += cnt * a[i][0];
int l = 0,r = cnt;
while(l < r)
{
int mid = l + r >> 1;
if(mid * a[i][2] <= k) l = mid;
else r = mid - 1;
}
int x = l * a[i][2];
while(res.size() && a[res.back()][0] >= a[i][0]) res.pop_back();
while(x < k && cnt && res.size())
{
int y = res.back();
if(cnt >= a[y][1])
{
res.pop_back();
cnt -= a[y][1];
}
else a[y][1] -= cnt;
}
lst %= k;
}
// if(i == 1)
// cout << ans << ' ' << sum << endl;
sum = lst;
if(sum > 0) j = i;
else j = i - 1;
// while(j >= 0 && a[j][1] <= 0) j --;
if(i == 0 && sum > 0) ans += a[i][0];
// if(i == 1)
// cout << ans << ' ' << sum << endl;
}
cout << ans << endl;
}
}
Details
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Test #1:
score: 0
Time Limit Exceeded
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