QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#137737 | #1140. Distributing Candies | pandapythoner# | Compile Error | / | / | C++20 | 6.0kb | 2023-08-10 17:12:19 | 2024-07-04 01:30:24 |
Judging History
你现在查看的是最新测评结果
- [2024-07-04 01:30:24]
- 评测
- 测评结果:Compile Error
- 用时:0ms
- 内存:0kb
- [2023-08-10 23:21:45]
- System Update: QOJ starts to keep a history of the judgings of all the submissions.
- [2023-08-10 17:12:19]
- 提交
answer
#ifdef LOCAL
#else
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx,avx2,fma")
#endif
#include <bits/stdc++.h>
#include "candies.h"
using namespace std;
#define ll long long
#define flt double
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
mt19937 rnd(24);
const ll inf = 1.5e9;
const int bsz = 400;
int n;
vector<ll> c;
int q;
vector<int> ql, qr;
vector<ll> qv;
vector<int> rs;
vector<ll> a;
vector<vector<ll>> ops;
int blcks;
vector<pair<ll, ll>> get_bbr(vector<ll> &ops) {
vector<pair<ll, ll>> stck;
stck.push_back(make_pair(0, inf));
stck.reserve((int)ops.size());
for (auto v : ops) {
ll x = abs(v);
if (v == 0) {
continue;
}
if (v >= 0) {
while (x > 0) {
auto f = stck.back();
stck.pop_back();
if (f.second > x) {
f.second -= x;
f.first += x;
x = 0;
stck.push_back(f);
break;
} else if (stck.empty()) {
f.first += f.second;
f.second = 0;
x = 0;
stck.push_back(f);
break;
} else {
x -= f.second;
stck.back().first += f.first + f.second;
}
}
} else {
ll sm = 0;
while (x > 0) {
auto f = stck.back();
stck.pop_back();
if (f.first > x) {
f.first -= x;
stck.push_back(f);
sm += x;
x = 0;
break;
} else if (stck.empty()) {
f.second += f.first;
f.first = 0;
x = 0;
stck.push_back(f);
break;
} else {
x -= f.first;
sm += f.first + f.second;
}
}
if (sm > 0) {
stck.push_back(make_pair(0, sm));
}
}
}
vector<pair<ll, ll>> bbr;
bbr.reserve((int)stck.size() * 2 + 1);
ll sm = 0;
ll pos = 0;
bbr.push_back(make_pair(pos, sm));
while (!stck.empty()) {
auto f = stck.back();
stck.pop_back();
pos += f.first;
sm += f.first;
if (bbr.back().first != pos) {
bbr.push_back(make_pair(pos, sm));
}
pos += f.second;
if (bbr.back().first != pos) {
bbr.push_back(make_pair(pos, sm));
}
}
return bbr;
}
ll get_val(vector<pair<ll, ll>> &bbr, ll ps) {
int j = upper_bound(all(bbr), make_pair(ps, inf * 5)) - bbr.begin();
auto [ps0, sm0] = bbr[j - 1];
auto [ps1, sm1] = bbr[j];
ll val = ((ps1 - ps) * sm0 + (ps - ps0) * sm1) / (ps1 - ps0);
return val;
}
void apply_operations(int l, int r, vector<ll> &ops) {
if (ops.empty()) {
return;
}
int sz = (int)ops.size();
vector<ll> rops(sz);
for (int i = 0; i < sz; i += 1) {
rops[i] = -ops[i];
}
vector<pair<ll, ll>> bbr = get_bbr(ops);
vector<pair<ll, ll>> rbbr = get_bbr(rops);
vector<ll> mxs, mns;
ll sm = 0;
ll mx = 0;
ll mn = 0;
mns.resize(sz);
mxs.resize(sz);
for (int i = 0; i < sz; i += 1) {
sm += ops[i];
if (mx < sm) {
mx = sm;
}
if (mn > sm) {
mn = sm;
}
mns[i] = -mn;
mxs[i] = mx;
}
for (int i = l; i <= r; i += 1) {
ll x = a[i];
int mxi = sz;
int mni = sz;
if(mxs.back() > c[i] - x){
mxi = upper_bound(all(mxs), c[i] - x) - mxs.begin();
}
if(mns.back() > x){
mni = upper_bound(all(mns), x) - mns.begin();
}
if (mxi == sz && mni == sz) {
a[i] += sm;
} else if (mxi < mni) {
a[i] = c[i] - get_val(rbbr, c[i]);
} else {
a[i] = get_val(bbr, c[i]);
}
}
}
void apply_operations(int bi) {
int l = bi * bsz;
int r = min(n - 1, l + bsz - 1);
apply_operations(l, r, ops[bi]);
ops[bi].clear();
}
void solve() {
rs.resize(n);
blcks = (n + bsz - 1) / bsz;
ops.assign(blcks, vector<ll>());
a.assign(n, 0);
for (int i = 0; i < q; i += 1) {
int l = ql[i];
int r = qr[i];
ll v = qv[i];
if (l / bsz == r / bsz) {
apply_operations(l / bsz);
for (int j = l; j <= r; j += 1) {
a[j] = max(0ll, min(c[j], a[j] + v));
}
continue;
}
int lbi = l / bsz;
int rbi = r / bsz;
apply_operations(lbi);
for (int j = l; j < (lbi + 1) * bsz; j += 1) {
a[j] = max(0ll, min(c[j], a[j] + v));
}
apply_operations(rbi);
for (int j = r; j >= rbi * bsz; j -= 1) {
a[j] = max(0ll, min(c[j], a[j] + v));
}
for (int j = lbi + 1; j < rbi; j += 1) {
ops[j].push_back(v);
}
}
for (int i = 0; i < blcks; i += 1) {
apply_operations(i);
}
for (int i = 0; i < n; i += 1) {
rs[i] = a[i];
}
}
void solve_l0_rn() {
rs.resize(n);
auto bbr = get_bbr(qv);
for (int i = 0; i < n; i += 1) {
rs[i] = get_val(bbr, c[i]);
}
}
vector<int> distribute_candies(vector<int> _c, vector<int> _l, vector<int> _r, vector<int> _v) {
n = _c.size();
q = _l.size();
c.resize(n);
for (int i = 0; i < n; i += 1) {
c[i] = _c[i];
}
ql.resize(q);
qr.resize(q);
qv.resize(q);
for (int i = 0; i < q; i += 1) {
ql[i] = _l[i];
qr[i] = _r[i];
qv[i] = _v[i];
}
solve();
return rs;
}
Details
In file included from /usr/include/c++/13/string:43, from /usr/include/c++/13/bitset:52, from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52, from answer.code:8: /usr/include/c++/13/bits/allocator.h: In destructor ‘constexpr std::_Vector_base<long long int, std::allocator<long long int> >::_Vector_impl::~_Vector_impl()’: /usr/include/c++/13/bits/allocator.h:184:7: error: inlining failed in call to ‘always_inline’ ‘constexpr std::allocator< <template-parameter-1-1> >::~allocator() noexcept [with _Tp = long long int]’: target specific option mismatch 184 | ~allocator() _GLIBCXX_NOTHROW { } | ^ In file included from /usr/include/c++/13/vector:66, from /usr/include/c++/13/functional:64, from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:53: /usr/include/c++/13/bits/stl_vector.h:133:14: note: called from here 133 | struct _Vector_impl | ^~~~~~~~~~~~