結果

問題 No.2324 Two Countries within UEC
ユーザー umimel
提出日時 2023-05-28 13:47:50
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 91 ms / 2,000 ms
コード長 1,947 bytes
コンパイル時間 1,732 ms
コンパイル使用メモリ 167,696 KB
実行使用メモリ 6,944 KB
最終ジャッジ日時 2024-06-26 23:16:08
合計ジャッジ時間 4,733 ms
ジャッジサーバーID
(参考情報)
judge5 / judge2
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 * 41
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;
using ll = long long;
using pll = pair<ll, ll>;
#define drep(i, cc, n) for (ll i = (cc); i <= (n); ++i)
#define rep(i, n) drep(i, 0, n - 1)
#define all(a) (a).begin(), (a).end()
#define pb push_back
#define fi first
#define se second
mt19937_64 rng(chrono::system_clock::now().time_since_epoch().count());
const ll MOD1000000007 = 1000000007;
const ll MOD998244353 = 998244353;
const ll MOD[3] = {999727999, 1070777777, 1000000007};
const ll LINF = 1LL << 60;
const int IINF = 1 << 30 - 1;
template<typename T> struct Edge{
int to; T w;
Edge(int to_, T w_=1){
to = to_;
w=w_;
}
};
template<typename T> using Tree = vector<vector<Edge<T>>>;
template<typename T> using Graph = vector<vector<Edge<T>>>;
/* & for Dinic */
template<typename T> struct REdge{
int to;
T cap;
T cost;
int rev;
REdge(int to_, T cap_, T cost_=1){
to = to_;
cap = cap_;
cost = cost_;
}
REdge(int to_, T cap_, T cost_, int rev_){
to = to_;
cap = cap_;
cost = cost_;
rev = rev_;
}
};
/* for Dinic */
template<typename T> using RGraph = vector<vector<REdge<T>>>;
ll pow_mod(ll x, ll n, ll mod){
ll ret = 1;
while(n > 0){
if(n & 1) ret = (ret*x)%mod;
x = x*x%mod;
n >>=1;
}
return ret;
}
int main(){
cin.tie(nullptr);
ios::sync_with_stdio(false);
ll n, m, p, q; cin >> n >> m >> p >> q;
while(q--){
ll x, f; cin >> x >> f;
if(x%p==0){
if(f==0){
cout << m << '\n';
}else{
cout << 0 << '\n';
}
continue;
}
ll inv_x = pow_mod(x%p, p-2, p);
ll mod_y = f * inv_x % p;
ll ans = m/p;
if(mod_y <= m%p) ans++;
if(mod_y==0) ans--;
cout << ans << '\n';
}
}
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