結果
| 問題 |
No.2961 Shiny Monster Master
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-12-18 21:43:00 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 19 ms / 1,777 ms |
| コード長 | 3,360 bytes |
| コンパイル時間 | 3,435 ms |
| コンパイル使用メモリ | 260,316 KB |
| 実行使用メモリ | 6,820 KB |
| 最終ジャッジ日時 | 2024-12-18 21:45:33 |
| 合計ジャッジ時間 | 7,477 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| other | AC * 77 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int INF = (int)1e9 + 1001010;
const ll llINF = (long long)4e18 + 22000020;
const string endn = "\n";
template <class T> inline auto vector2(size_t i, size_t j, const T &init = T()) {
return vector(i, vector<T>(j, init));
}
const string ELM_SEP = " ", VEC_SEP = endn;
template <class T> istream &operator>>(istream &i, vector<T> &A) {
for(auto &I : A) i >> I;
return i;
}
template <class T> ostream &operator<<(ostream &o, const vector<T> &A) {
int i = A.size();
for(const auto &I : A) o << I << (--i ? ELM_SEP : "");
return o;
}
template <class T> ostream &operator<<(ostream &o, const vector<vector<T>> &A) {
int i = A.size();
for(const auto &I : A) o << I << (--i ? VEC_SEP : "");
return o;
}
template <class T> vector<T> &operator++(vector<T> &A, int) {
for(auto &I : A) I++;
return A;
}
template <class T> vector<T> &operator--(vector<T> &A, int) {
for(auto &I : A) I--;
return A;
}
template <class T, class U> bool chmax(T &a, const U &b) { return ((a < b) ? (a = b, true) : false); }
template <class T, class U> bool chmin(T &a, const U &b) { return ((a > b) ? (a = b, true) : false); }
ll floor(ll a, ll b) {
if(b < 0) a = -a, b = -b;
return (a >= 0) ? a / b : (a + 1) / b - 1;
}
ll ceil(ll a, ll b) {
if(b < 0) a = -a, b = -b;
return (a > 0) ? (a - 1) / b + 1 : a / b;
}
ll check_bit(unsigned long long val, unsigned long long digit) { return (val >> digit) & 1; }
#ifdef DEBUG
#include <cpp-dump/cpp-dump.hpp>
#define dump(...) cpp_dump(__VA_ARGS__)
namespace cp = cpp_dump;
struct InitCppDump {
InitCppDump() {
if(!isatty(fileno(stderr))) CPP_DUMP_SET_OPTION(es_style, cpp_dump::types::es_style_t::no_es);
CPP_DUMP_SET_OPTION(log_label_func, cp::log_label::line());
CPP_DUMP_SET_OPTION(max_iteration_count, 30);
}
} init_cpp_dump;
#else
#define dump(...)
#endif
// ==================== ここまでテンプレ ====================
// O(1)
// where 0 <= inf <= sup
ll _n_multiple_between(ll inf, ll sup, ll n) {
assert(0 <= inf && inf <= sup);
return floor(sup, n) - floor(inf - 1, n);
}
// O(1)
// where inf <= sup
// return the number of multiple of n betweem [inf, sup];
ll n_multiple_between(ll inf, ll sup, ll n) {
if(inf > sup) return 0;
if(inf <= 0 && sup <= 0) return _n_multiple_between(-sup, -inf, n);
else if(inf <= 0 && sup >= 0) return _n_multiple_between(0, -inf, n) + _n_multiple_between(0, sup, n) - 1;
else return _n_multiple_between(inf, sup, n);
}
// O(1)
// where inf <= sup
// return the number of nk + r betweem [inf, sup] (where k is integer)
ll n_multiple_between(ll inf, ll sup, ll n, ll r) { return n_multiple_between(inf - r, sup - r, n); }
int main(int argc, char *argv[]) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
ll R, N;
cin >> R >> N;
vector<ll> a(N);
cin >> a;
ranges::sort(a);
ll q; cin >> q;
for(int qid = 0; qid < q; qid++){
ll l, r; cin >> l >> r;
// [0, x]
auto count_seg = [&](ll x) -> ll {
ll ret = N * (x / R);
x %= R;
ret += ranges::upper_bound(a, x) - a.begin();
return ret;
};
ll ans = count_seg(r) - count_seg(l - 1);
cout << ans << endn;
}
return 0;
}