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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#246334 | #7523. Partially Free Meal | ikefumy | WA | 0ms | 9672kb | C++20 | 4.1kb | 2023-11-10 19:09:56 | 2023-11-10 19:09:57 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
#define db double
#define pii pair<int,int>
#define pli pair<ll,int>
#define pil pair<int,ll>
#define pll pair<ll,ll>
#define ti3 tuple<int,int,int>
#define int128 __int128_t
#define pii128 pair<int128,int128>
const int inf = 1 << 30;
const ll linf = 1e18;
const ll mod = 1e9 + 7;
const db EPS = 1e-10;
const db pi = acos(-1);
template<class T> bool chmin(T& x, T y){
if(x > y) {
x = y;
return true;
} else return false;
}
template<class T> bool chmax(T& x, T y){
if(x < y) {
x = y;
return true;
} else return false;
}
// overload macro
#define CAT( A, B ) A ## B
#define SELECT( NAME, NUM ) CAT( NAME, NUM )
#define GET_COUNT( _1, _2, _3, _4, _5, _6 /* ad nauseam */, COUNT, ... ) COUNT
#define VA_SIZE( ... ) GET_COUNT( __VA_ARGS__, 6, 5, 4, 3, 2, 1 )
#define VA_SELECT( NAME, ... ) SELECT( NAME, VA_SIZE(__VA_ARGS__) )(__VA_ARGS__)
// rep(overload)
#define rep( ... ) VA_SELECT(rep, __VA_ARGS__)
#define rep2(i, n) for (int i = 0; i < int(n); i++)
#define rep3(i, a, b) for (int i = a; i < int(b); i++)
#define rep4(i, a, b, c) for (int i = a; i < int(b); i += c)
// repll(overload)
#define repll( ... ) VA_SELECT(repll, __VA_ARGS__)
#define repll2(i, n) for (ll i = 0; i < (ll)(n); i++)
#define repll3(i, a, b) for (ll i = a; i < (ll)(b); i++)
#define repll4(i, a, b, c) for (ll i = a; i < (ll)(b); i += c)
// rrep(overload)
#define rrep( ... ) VA_SELECT(rrep, __VA_ARGS__)
#define rrep2(i, n) for (int i = n - 1; i >= 0; i--)
#define rrep3(i, a, b) for (int i = b - 1; i >= a; i--)
#define rrep4(i, a, b, c) for (int i = b - 1; i >= a; i -= c)
// rrepll(overload)
#define rrepll( ... ) VA_SELECT(rrepll, __VA_ARGS__)
#define rrepll2(i, n) for (ll i = (ll)(n) - 1; i >= 0ll; i--)
#define rrepll3(i, a, b) for (ll i = b - 1; i >= (ll)(a); i--)
#define rrepll4(i, a, b, c) for (ll i = b - 1; i >= (ll)(a); i -= c)
// for_earh
#define fore(e, v) for (auto&& e : v)
// vector
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
int n;
int l[200010], r[200010], lb[200010], ub[200010];
ll ans[200010], idx[200010];
int main() {
cin.tie(nullptr);
ios_base::sync_with_stdio(false);
cout << fixed << setprecision(20);
cin >> n;
vector<pair<int, int>> m;
rep (i, n) {
int a, b;
cin >> a >> b;
m.push_back({b, a});
r[i + 1] = n, ans[i + 1] = linf;
}
sort(all(m));
vector<int> q = {(n + 2) / 2};
lb[(n + 2) / 2] = 1, ub[(n + 2) / 2] = n + 1;
while (!q.empty()) {
vector<int> nq;
ll res = linf, mnsum = 0;
multiset<int> mn, rem;
fore (k, q) {
rep (i, l[k], r[k]) {
auto [b, a] = m[i];
rem.insert(a);
while (!rem.empty() && (int)mn.size() < k) {
mn.insert(*rem.begin());
mnsum += *rem.begin();
rem.erase(rem.begin());
}
while (!rem.empty() && !mn.empty()) {
int mnmx = *mn.rbegin(), remmn = *rem.begin();
if (mnmx > remmn) {
mnsum += remmn - mnmx;
mn.erase(mn.find(mnmx)), mn.insert(remmn);
rem.erase(rem.find(remmn)), rem.insert(mnmx);
} else {
break;
}
}
if ((int)mn.size() < k) continue;
if (chmin(ans[k], mnsum + b)) idx[k] = i;
}
auto update = [&](int x, int y, int nl, int nr) -> void {
if (x == y) return;
int mid = (x + y) / 2;
lb[mid] = x, ub[mid] = y, l[mid] = nl, r[mid] = nr;
nq.push_back(mid);
};
update(lb[k], k, l[k], idx[k] + 1);
update(k + 1, ub[k], idx[k], r[k]);
}
q = nq;
}
rep (i, 1, n + 1) {
cout << ans[i] << '\n';
}
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 9672kb
input:
3 2 5 4 3 3 7
output:
7 11 13
result:
wrong answer 3rd lines differ - expected: '16', found: '13'