結果

問題 No.1495 パンの仕入れ
ユーザー tokusakuraitokusakurai
提出日時 2022-02-10 20:13:29
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 207 ms / 2,000 ms
コード長 4,347 bytes
コンパイル時間 2,305 ms
コンパイル使用メモリ 198,740 KB
最終ジャッジ日時 2025-01-27 20:59:16
ジャッジサーバーID
(参考情報)
judge4 / judge1
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 46
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < n; i++)
#define rep2(i, x, n) for (int i = x; i <= n; i++)
#define rep3(i, x, n) for (int i = x; i >= n; i--)
#define each(e, v) for (auto &e : v)
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define sz(x) (int)x.size()
using ll = long long;
using pii = pair<int, int>;
using pil = pair<int, ll>;
using pli = pair<ll, int>;
using pll = pair<ll, ll>;
template <typename T>
bool chmax(T &x, const T &y) {
return (x < y) ? (x = y, true) : false;
}
template <typename T>
bool chmin(T &x, const T &y) {
return (x > y) ? (x = y, true) : false;
}
template <typename T>
int flg(T x, int i) {
return (x >> i) & 1;
}
template <typename T>
void print(const vector<T> &v, T x = 0) {
int n = v.size();
for (int i = 0; i < n; i++) cout << v[i] + x << (i == n - 1 ? '\n' : ' ');
if (v.empty()) cout << '\n';
}
template <typename T>
void printn(const vector<T> &v, T x = 0) {
int n = v.size();
for (int i = 0; i < n; i++) cout << v[i] + x << '\n';
}
template <typename T>
int lb(const vector<T> &v, T x) {
return lower_bound(begin(v), end(v), x) - begin(v);
}
template <typename T>
int ub(const vector<T> &v, T x) {
return upper_bound(begin(v), end(v), x) - begin(v);
}
template <typename T>
void rearrange(vector<T> &v) {
sort(begin(v), end(v));
v.erase(unique(begin(v), end(v)), end(v));
}
template <typename T>
vector<int> id_sort(const vector<T> &v, bool greater = false) {
int n = v.size();
vector<int> ret(n);
iota(begin(ret), end(ret), 0);
sort(begin(ret), end(ret), [&](int i, int j) { return greater ? v[i] > v[j] : v[i] < v[j]; });
return ret;
}
template <typename S, typename T>
pair<S, T> operator+(const pair<S, T> &p, const pair<S, T> &q) {
return make_pair(p.first + q.first, p.second + q.second);
}
template <typename S, typename T>
pair<S, T> operator-(const pair<S, T> &p, const pair<S, T> &q) {
return make_pair(p.first - q.first, p.second - q.second);
}
template <typename S, typename T>
istream &operator>>(istream &is, pair<S, T> &p) {
S a;
T b;
is >> a >> b;
p = make_pair(a, b);
return is;
}
template <typename S, typename T>
ostream &operator<<(ostream &os, const pair<S, T> &p) {
return os << p.first << ' ' << p.second;
}
struct io_setup {
io_setup() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout << fixed << setprecision(15);
}
} io_setup;
const int inf = (1 << 30) - 1;
const ll INF = (1LL << 60) - 1;
const int MOD = 1000000007;
// const int MOD = 998244353;
int main() {
int T;
cin >> T;
while (T--) {
int N, M;
ll K;
cin >> N >> M >> K;
vector<vector<ll>> xs(N);
rep(i, M) {
int a;
ll x;
cin >> a >> x;
a--;
xs[a].eb(x);
}
ll S = 0;
vector<ll> s(N, 0);
rep(i, N) {
each(e, xs[i]) {
S += e * e;
s[i] += 1 - 2 * e;
}
}
// print(s);
ll l = -INF, r = INF; // (L,R]
while (r - l > 1) {
ll m = (l + r) / 2;
ll cnt = 0;
rep(i, N) {
int k = sz(xs[i]) * 2;
if (k == 0) {
if (m >= 0) cnt += inf;
} else {
if (m >= s[i]) {
ll d = m - s[i];
cnt += d / k + 1;
}
}
}
(cnt >= K ? r : l) = m;
}
{
ll m = r;
ll cnt = 0, sum = 0;
rep(i, N) {
int k = sz(xs[i]) * 2;
if (k == 0) {
if (m >= 0) cnt += inf;
} else {
if (m >= s[i]) {
ll d = m - s[i];
ll t = d / k + 1;
cnt += t;
sum += s[i] * t + t * (t - 1) / 2 * k;
}
}
}
S += sum;
S -= (cnt - K) * m;
// cout << m << ' ' << cnt << ' ' << sum << '\n';
}
cout << S << '\n';
}
}
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