結果
問題 | No.2324 Two Countries within UEC |
ユーザー | Kyo_s_s |
提出日時 | 2023-05-28 16:30:38 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 91 ms / 2,000 ms |
コード長 | 5,528 bytes |
コンパイル時間 | 1,956 ms |
コンパイル使用メモリ | 169,072 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-06-26 23:27:21 |
合計ジャッジ時間 | 5,365 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 85 ms
5,248 KB |
testcase_01 | AC | 90 ms
5,376 KB |
testcase_02 | AC | 16 ms
5,376 KB |
testcase_03 | AC | 64 ms
6,944 KB |
testcase_04 | AC | 74 ms
5,376 KB |
testcase_05 | AC | 19 ms
5,376 KB |
testcase_06 | AC | 31 ms
5,376 KB |
testcase_07 | AC | 16 ms
5,376 KB |
testcase_08 | AC | 62 ms
5,376 KB |
testcase_09 | AC | 64 ms
5,376 KB |
testcase_10 | AC | 91 ms
5,376 KB |
testcase_11 | AC | 84 ms
5,376 KB |
testcase_12 | AC | 27 ms
5,376 KB |
testcase_13 | AC | 27 ms
5,376 KB |
testcase_14 | AC | 17 ms
5,376 KB |
testcase_15 | AC | 15 ms
5,376 KB |
testcase_16 | AC | 59 ms
5,376 KB |
testcase_17 | AC | 39 ms
5,376 KB |
testcase_18 | AC | 18 ms
5,376 KB |
testcase_19 | AC | 89 ms
5,376 KB |
testcase_20 | AC | 13 ms
5,376 KB |
testcase_21 | AC | 42 ms
5,376 KB |
testcase_22 | AC | 53 ms
5,376 KB |
testcase_23 | AC | 18 ms
5,376 KB |
testcase_24 | AC | 44 ms
5,376 KB |
testcase_25 | AC | 89 ms
5,376 KB |
testcase_26 | AC | 28 ms
5,376 KB |
testcase_27 | AC | 30 ms
5,376 KB |
testcase_28 | AC | 28 ms
5,376 KB |
testcase_29 | AC | 27 ms
5,376 KB |
testcase_30 | AC | 27 ms
5,376 KB |
testcase_31 | AC | 2 ms
5,376 KB |
testcase_32 | AC | 2 ms
5,376 KB |
testcase_33 | AC | 2 ms
5,376 KB |
testcase_34 | AC | 2 ms
5,376 KB |
testcase_35 | AC | 2 ms
5,376 KB |
testcase_36 | AC | 2 ms
5,376 KB |
testcase_37 | AC | 2 ms
5,376 KB |
testcase_38 | AC | 1 ms
5,376 KB |
testcase_39 | AC | 2 ms
5,376 KB |
testcase_40 | AC | 2 ms
5,376 KB |
testcase_41 | AC | 2 ms
5,376 KB |
testcase_42 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; // #include <atcoder/all> // using namespace atcoder; /* alias */ using ull = unsigned long long; using ll = long long; using pii = pair<int, int>; using pll = pair<ll, ll>; using vi = vector<int>; using vll = vector<long long>; using vd = vector<double>; using vs = vector<string>; using vb = vector<bool>; using vpii = vector<pair<int, int>>; using vpll = vector<pair<ll, ll>>; using vvi = vector<vector<int>>; using vvll = vector<vector<long long>>; using vvd = vector<vector<double>>; using vvs = vector<vector<string>>; using vvb = vector<vector<bool>>; template<typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T>>; /* define */ #define MOD 998244353 // #define MOD 1000000007 #define INF (1LL << 60) #define elif else if #define pb push_back #define pf push_front #define fi first #define se second #define all(obj) (obj).begin(), (obj).end() #define YESNO(bool) cout << (bool ? "YES\n" : "NO\n") #define YesNo(bool) cout << (bool ? "Yes\n" : "No\n") #define yesno(bool) cout << (bool ? "yes\n" : "no\n") template<class T> bool chmax(T &a, const T &b) {if(a<b){ a=b; return 1;} return 0;} template<class T> bool chmin(T &a, const T &b) {if(b<a){ a=b; return 1;} return 0;} #define debug(x) cerr << #x << ":" << x << "\n"; /* REP macro */ #define reps(i, a, n) for(ll i = (a); i < (n); i++) #define rep(i, n) reps(i, 0, (n)) #define rrep(i, n) reps(i, 1, (n + 1)) #define repd(i, n) for(ll i = (n - 1); i >= 0; i--) #define rrepd(i, n) for(ll i = (n); i >= 1; i--) #define fore(i, a) for(auto &i: a) /* vector */ template<class T> T vmax(vector<T> &array){ T ret = array[0]; for(T a: array) chmax(ret, a); return ret; } template<class T> T vmin(vector<T> &array){ T ret = array[0]; for(T a: array) chmin(ret, a); return ret; } template<class T> T sum(vector<T> &array){ T ret = 0; for(T a:array) ret += a; return ret; } template<class T> void list_set(vector<T> &array){ sort(all(array)); array.erase(unique(all(array)),array.end()); } template<class T> int bisect_left(vector<T> &array, T key){ return lower_bound(all(array),key) - array.begin(); } template<class T> int bisect_right(vector<T> &array, T key){ return upper_bound(all(array),key) - array.begin(); } /* string */ ll string_to_ll(string n){ ll ret = 0, k = 1; while(n.length() > 0){ ret += k * (n.back() - '0'); n.pop_back(); k *= 10; } return ret; } string ll_to_string(ll n){ string ret = ""; while(n > 0){ ret.pb((n % 10) + '0'); n /= 10; } reverse(all(ret)); return ret; } struct popopo{ popopo(){ cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(15); }; } popopoppo; // n = 1,...,N に対して、n % A < B を満たすものの数 ll Count_of_n_mod_A_less_than_B(ll N, ll A, ll B){ return N / A * min(A, B) + min(N % A, B - 1); } /* IN/OUT */ int scan() { return getchar(); } void scan(int &a) { cin >> a; } void scan(long long &a) { cin >> a; } void scan(char &a) { cin >> a; } void scan(double &a) { cin >> a; } void scan(string &a) { cin >> a; } template <class T, class S> void scan(pair<T, S> &p) { scan(p.first), scan(p.second); } template <class T> void scan(vector<T> &); template <class T> void scan(vector<T> &a) { for(auto &i : a) scan(i); } void IN(){} template<class Head, class... Tail> void IN(Head& head, Tail &...tail){ scan(head); IN(tail...); } #define INT(...) int __VA_ARGS__; IN(__VA_ARGS__) #define LL(...) ll __VA_ARGS__; IN(__VA_ARGS__) #define STR(...) string __VA_ARGS__; IN(__VA_ARGS__) #define VEC(type, name, size) vector<type> name(size); IN(name) #define VECS(type, name, size) vector<type> name(size + 1); for(int i = 1; i <= size; i++) scan(name[i]) void OUT(){ cout << "\n"; } template<class T> void output(T a){ cout << a; } template<class T> void output(vector<T> v){ for(int i = 0; i < v.size(); i++) cout << v[i] << (i == v.size() - 1 ? "" : " "); } template<class Head, class... Tail> void OUT(const Head &head, const Tail &...tail) { output(head); if(sizeof...(tail)) cout << " "; OUT(tail...); } void FLASH(){ cout << endl; } template<class Head, class... Tail> void FLASH(const Head &head, const Tail &...tail) { output(head); if(sizeof...(tail)) cout << " "; FLASH(tail...); } ll modpow(ll x, ll n, ll p) { x = x % p; ll ret = 1; while (n > 0) { if (n & 1) ret = (ret * x) % p; x = (x * x) % p; n >>= 1; } return ret; } int main() { LL(N, M, P, Q); auto solve = [&](ll x, ll f) -> ll { if (x % P == 0) { if (f == 0) { return M; } else { return 0; } } ll xinv = modpow(x, P - 2, P); ll y = xinv * f % P; // ll ans = M / P + (M % P >= y ? 1 : 0); // ll ans = (M + 1) / P; // if (M % P >= y) ans++; // if (y == 0) { // ans--; // } if (M < y) { return 0; } auto check = [&](ll v) -> bool { return P * v + y <= M; }; ll ok = 0, ng = 1; while (check(ng)) ng *= 2; while (abs(ok - ng) > 1) { ll mid = (ok + ng) / 2; if (check(mid)) { ok = mid; } else { ng = mid; } } ll ans = ok + 1; if (y == 0) ans--; // cout << x << " " << y << " " << f << " " << ans << endl; return ans; }; while (Q--) { LL(x, f); ll ans = solve(x, f); OUT(ans); } }