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ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#241061 | #7523. Partially Free Meal | dayux | RE | 0ms | 11836kb | C++14 | 2.3kb | 2023-11-05 22:31:52 | 2023-11-05 22:31:52 |
Judging History
answer
#include <bits/stdc++.h>
const int maxn = 2e5, maxlg = 18, maxa = 1e9;
std::array<int, maxn + 1> a, b;
std::array<long long, maxn + 1> ans;
std::vector<int> vb;
std::array<std::vector<int>, maxn + 1> va;
namespace segt {
int tot;
std::array<int, maxn + 1> rt;
struct node {
int cnt, ls, rs;
long long sum;
};
std::array<node, maxn * (maxlg + 1) + 1> t;
void modify(int &x, int o, int p, int l = 1, int r = maxa) {
t[x = ++tot] = t[o];
++t[x].cnt;
t[x].sum += p;
if (l < r) {
int mid = (l + r) / 2;
if (p <= mid)
modify(t[x].ls, t[o].ls, p, l, mid);
else
modify(t[x].rs, t[o].rs, p, mid + 1, r);
}
}
long long query(int x, int k, int l = 1, int r = maxa) {
if (k > t[x].cnt)
return std::numeric_limits<long long>().max() / 2;
if (l == r)
return (long long)k * l;
int mid = (l + r) / 2;
if (k <= t[t[x].ls].cnt)
return query(t[x].ls, k, l, mid);
else
return t[t[x].ls].sum + query(t[x].rs, k - t[t[x].ls].cnt, mid + 1, r);
}
}
void solve(int bl, int br, int kl, int kr) {
int mid = (kl + kr) / 2, pos = bl;
auto calc = [&](int x) {
return vb[x - 1] + segt::query(segt::rt[x], mid);
};
ans[mid] = calc(pos);
long long tmp;
for (int i = bl + 1; i <= br; ++i)
if ((tmp = calc(i)) < ans[mid]) {
ans[mid] = tmp;
pos = i;
}
if (kl <= mid - 1)
solve(bl, pos, kl, mid - 1);
if (mid + 1 <= kr)
solve(pos, br, mid + 1, kr);
}
int main() {
#ifndef ONLINE_JUDGE
std::freopen("L.in", "r", stdin);
std::freopen("L.out", "w", stdout);
#endif
std::cin.tie(nullptr)->sync_with_stdio(false);
int n;
std::cin >> n;
for (int i = 1; i <= n; ++i) {
std::cin >> a[i] >> b[i];
vb.push_back(b[i]);
}
std::sort(vb.begin(), vb.end());
vb.erase(std::unique(vb.begin(), vb.end()), vb.end());
for (int i = 1; i <= n; ++i)
va[std::lower_bound(vb.begin(), vb.end(), b[i]) - vb.begin() + 1].push_back(a[i]);
for (int i = 1; i <= (int)vb.size(); ++i) {
segt::rt[i] = segt::rt[i - 1];
for (int j : va[i])
segt::modify(segt::rt[i], segt::rt[i], j);
}
solve(1, (int)vb.size(), 1, n);
for (int i = 1; i <= n; ++i)
std::cout << ans[i] << '\n';
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 11836kb
input:
3 2 5 4 3 3 7
output:
7 11 16
result:
ok 3 lines
Test #2:
score: -100
Runtime Error
input:
200000 466436993 804989151 660995237 756645598 432103296 703610564 6889895 53276988 873617076 822481192 532911431 126844295 623111499 456772252 937464699 762157133 708503076 786039753 78556972 5436013 582960979 398984169 786333369 325119902 930705057 615928139 924915828 506145001 164984329 208212435...