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ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#236645 | #7523. Partially Free Meal | Dawn_Sdy | TL | 1ms | 7748kb | C++14 | 2.0kb | 2023-11-04 09:27:54 | 2023-11-04 09:27:55 |
Judging History
answer
#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
const int kmax = 2e5 + 3;
struct V {
int a, b;
} v[kmax];
struct Tree {
int ls, rs;
int ct;
long long sum;
} tr[kmax << 5];
int n, tc;
int b[kmax], tot;
int rt[kmax];
long long res[kmax];
void Insert(int &x, int y, int l, int r, int k, int v) {
x = ++tc;
tr[x] = tr[y];
tr[x].ct++, tr[x].sum += v;
if(l == r) return;
int mid = (l + r) >> 1;
if(k <= mid) {
Insert(tr[x].ls, tr[y].ls, l, mid, k, v);
} else {
Insert(tr[x].rs, tr[y].rs, mid + 1, r, k, v);
}
}
long long Query(int x, int l, int r, int k) {
if(!k || !x) return 0;
if(l == r) return tr[x].sum;
int mid = (l + r) >> 1;
if(tr[tr[x].ls].ct <= k) return tr[tr[x].ls].sum + Query(tr[x].rs, mid + 1, r, k - tr[tr[x].ls].ct);
return Query(tr[x].ls, l, mid, k);
}
long long Calc(int x, int k) {
if(k > x) return 1e18;
return Query(rt[x], 0, n, k);
}
void Solve(int l, int r, int _l, int _r) {
if(l > r) return;
int mid = (l + r) >> 1, _mid = -1;
res[mid] = 1e18;
// cout << "mid = " << mid << '\n';
for(int i = _l; i <= _r; i++) {
long long tot = Calc(i - 1, mid - 1) + v[i].a + v[i].b;
if(res[mid] > tot) {
res[mid] = tot;
_mid = i;
}
}
Solve(l, mid - 1, l, _mid);
Solve(mid + 1, r, _mid, _r);
}
int main() {
ios::sync_with_stdio(0);
cin.tie(0), cout.tie(0);
cin >> n;
for(int i = 1; i <= n; i++) {
cin >> v[i].a >> v[i].b;
b[++tot] = v[i].a;
}
sort(v + 1, v + n + 1, [](V p, V q) { return p.b < q.b || p.b == q.b && p.a < q.a; });
sort(b + 1, b + tot + 1);
tot = unique(b + 1, b + tot + 1) - b - 1;
for(int i = 1; i <= n; i++) {
int pos = lower_bound(b + 1, b + tot + 1, v[i].a) - b;
Insert(rt[i], rt[i - 1], 0, n, pos, v[i].a);
}
Solve(1, n, 1, n);
for(int i = 1; i <= n; i++) {
cout << res[i] << '\n';
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 7748kb
input:
3 2 5 4 3 3 7
output:
7 11 16
result:
ok 3 lines
Test #2:
score: -100
Time Limit Exceeded
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...