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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#720258 | #7523. Partially Free Meal | cyb1010 | WA | 814ms | 152548kb | C++17 | 2.0kb | 2024-11-07 11:27:05 | 2024-11-07 11:27:06 |
Judging History
answer
/**
* @author : cyb1010
* @date : 2024-11-07 11:07:20
* @file : sales.cpp
*/
#include <bits/stdc++.h>
using namespace std;
#define fo(s) freopen(s ".in", "r", stdin), freopen(s ".out", "w", stdout)
#define fi first
#define se second
#define ALL(v) (v).begin(), (v).end()
#define SZ(v) int(v.size())
typedef double db;
typedef long double ldb;
typedef long long ll;
typedef unsigned long long ull;
void ckmx(int &x, int y) { x < y && (x = y); }
void ckmn(int &x, int y) { x > y && (x = y); }
const int N = 200010, V = 1e9 + 10;
const ll inf = 1e16;
int __, n;
ll f[N];
pair<int, int> a[N];
struct node {
int l, r, cnt;
ll sum;
} t[N * 31];
int rt[N], tot;
int ins(int p, int l, int r, int k) {
int res = ++tot, mid = l + r >> 1;
t[res] = t[p], t[res].cnt++, t[res].sum += k;
if (l < r)
k <= mid ? (t[res].l = ins(t[p].l, l, mid, k))
: (t[res].r = ins(t[p].r, mid + 1, r, k));
return res;
}
ll qsum(int p, int l, int r, int k) {
if (l == r) return k * l;
int mid = l + r >> 1;
if (t[t[p].l].cnt >= k) return qsum(t[p].l, l, mid, k);
return t[t[p].l].sum + qsum(t[p].r, mid + 1, r, k - t[t[p].l].cnt);
}
ll qry(int x, int y) { return a[x].fi + qsum(rt[x], 0, V, y); }
void solve(int l, int r, int L, int R) {
if (l > r) return;
int mid = l + r >> 1, pos = 0;
for (int i = max(L, mid), v; i <= R; i++)
if ((v = qry(i, mid)) < f[mid]) f[mid] = v, pos = i;
solve(l, mid - 1, L, pos), solve(mid + 1, r, pos, R);
}
int main() {
// fo("sales");
cin.tie(0)->sync_with_stdio(0);
cin >> n;
// for (int i = 1; i <= n; i++) cin >> a[i].fi;
// for (int i = 1; i <= n; i++) cin >> a[i].se;
for (int i = 1; i <= n; i++) cin >> a[i].se >> a[i].fi;
sort(a + 1, a + 1 + n), fill(f + 1, f + 1 + n, inf);
for (int i = 1; i <= n; i++) rt[i] = ins(rt[i - 1], 0, V, a[i].se);
solve(1, n, 1, n);
for (int i = 1; i <= n; i++) cout << f[i] << '\n';
return 0 ^ __ ^ 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 5744kb
input:
3 2 5 4 3 3 7
output:
7 11 16
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 814ms
memory: 152548kb
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...
output:
7131603 199412501 472546668 822642037 1470093901 -2006118473 -1999885459 -1858028972 -1507003532 -1604804894 -2108901488 -1862562255 -2000686265 -1975547702 -1887329288 -2101503281 -2128208538 -2109615271 -2108466156 -2138244721 -1997657005 -2116267810 -2055462072 -2113623977 -2038375143 -2128494159...
result:
wrong answer 1st lines differ - expected: '1318594', found: '7131603'