QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#676244 | #7744. Elevator | RaislinSnow | RE | 0ms | 3520kb | C++20 | 2.0kb | 2024-10-25 20:46:28 | 2024-10-25 20:46:28 |
Judging History
answer
#pragma GCC optimize(3, "Ofast", "inline")
#define FOR(i, a, b) for(int i = (a); i <= (b); i ++)
#define ROF(i, a, b) for(int i = (a); i >= (b); i --)
#define debug(x) cerr << (#x) << ": " << (x) << '\n'
#define pb push_back
#define IOS ios::sync_with_stdio(0), cin.tie(0), cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define int long long
typedef long long ll;
typedef unsigned long long ull;
typedef array<int, 2> pii;
typedef array<ll, 2> pll;
mt19937_64 rnd(chrono::steady_clock::now().time_since_epoch().count());
int n, k;
void solve(int T) {
cin >> n >> k;
vector<array<int, 3>> a(n + 1, {0, 0, 0});
FOR(i, 1, n) {
cin >> a[i][2] >> a[i][1] >> a[i][0];
}
sort(a.begin() + 1, a.end());
int now = 0, mx = 0, ans = 0;
int t1 = n, t2 = n;
while(t1 != 0 || t2 != 0) {
while(t1 > 0 && (a[t1][1] != 1 || a[t1][2] == 0)) t1 --;
while(t2 > 0 && (a[t2][1] != 2 || a[t2][2] == 0)) t2 --;
// debug(t1), debug(t2), debug(now), debug(mx), debug(ans);
if(t1 > t2) {
if(a[t1][2] * a[t1][1] + now < k) {
now += a[t1][2] * a[t1][1], mx = max(mx, a[t1][0]);
t1 --;
continue;
}
int t = k - now;
if(now > 0) ans += mx;
else ans += a[t1][0];
a[t1][2] -= t, mx = now = 0;
t = a[t1][2] / k;
ans += t * a[t1][0];
a[t1][2] -= t * k;
if(a[t1][2]) now += a[t1][2] * a[t1][1], mx = max(mx, a[t1][0]);
t1 --;
}
else {
if(a[t2][2] * a[t2][1] + now < k) {
now += a[t2][2] * a[t2][1], mx = max(mx, a[t2][0]);
t2 --;
continue;
}
int t = (k - now) / 2;
if((k - now & 1) && t1 > 0) a[t1][2] --;
if(now > 0) ans += mx;
else ans += a[t2][0];
a[t2][2] -= t, mx = now = 0;
t = a[t2][2] / (k / 2);
ans += t * a[t2][0];
a[t2][2] -= t * (k / 2);
if(a[t2][2]) now += a[t2][2] * a[t2][1], mx = max(mx, a[t2][0]);
t2 --;
}
}
if(now != 0) ans += mx;
cout << ans << '\n';
}
void init() {
}
signed main() {
IOS;
int t = 1;
cin >> t;
init();
FOR(T, 1, t) {
solve(T);
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3520kb
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
Runtime Error
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...