結果

問題 No.2057 Ising Model
ユーザー oshamashama
提出日時 2022-08-26 22:03:34
言語 C++14
(gcc 13.3.0 + boost 1.87.0)
結果
WA  
実行時間 -
コード長 2,860 bytes
コンパイル時間 1,467 ms
コンパイル使用メモリ 167,588 KB
実行使用メモリ 6,824 KB
最終ジャッジ日時 2024-10-13 22:39:44
合計ジャッジ時間 2,837 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 3
other AC * 40 WA * 4
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>
const long long INF = 1e9;
// const long long MOD = 1e9 + 7;
const long long MOD = 998244353;
const long long LINF = 1e18;
using namespace std;
#define YES(n) cout << ((n) ? "YES" : "NO") << endl
#define Yes(n) cout << ((n) ? "Yes" : "No") << endl
#define POSSIBLE(n) cout << ((n) ? "POSSIBLE" : "IMPOSSIBLE") << endl
#define Possible(n) cout << ((n) ? "Possible" : "Impossible") << endl
#define dump(x) cout << #x << " = " << (x) << endl
#define FOR(i, a, b) for (int i = (a); i < (b); ++i)
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define REPR(i, n) for (int i = n; i >= 0; i--)
#define COUT(x) cout << (x) << endl
#define SCOUT(x) cout << (x) << " "
#define VECCOUT(x) \
for (auto &youso_ : (x)) \
cout << right << setw(10) << youso_ << " "; \
cout << endl
#define ENDL cout << endl
#define CIN(...) \
int __VA_ARGS__; \
CINT(__VA_ARGS__)
#define LCIN(...) \
long long __VA_ARGS__; \
CINT(__VA_ARGS__)
#define SCIN(...) \
string __VA_ARGS__; \
CINT(__VA_ARGS__)
#define VECCIN(x) \
for (auto &youso_ : (x)) \
cin >> youso_
#define mp make_pair
#define PQ priority_queue<long long>
#define PQG priority_queue<long long, V, greater<long long>>
typedef long long ll;
typedef vector<long long> vl;
typedef vector<long long> vi;
typedef vector<bool> vb;
typedef vector<char> vc;
typedef vector<vl> vvl;
typedef vector<vi> vvi;
typedef vector<vb> vvb;
typedef vector<vc> vvc;
typedef pair<long long, long long> pll;
#define COUT(x) cout << (x) << endl
void CINT()
{
}
template <class Head, class... Tail>
void CINT(Head &&head, Tail &&...tail)
{
cin >> head;
CINT(move(tail)...);
}
template <class T>
void mod(T &x)
{
x %= MOD;
x += MOD;
x %= MOD;
}
ll GCD(ll a, ll b)
{
if (b == 0)
return a;
else
return GCD(b, a % b);
}
struct COMB
{
vl fact, fact_inv, inv;
void init_nCk(long long SIZE)
{
fact.resize(SIZE + 5);
fact_inv.resize(SIZE + 5);
inv.resize(SIZE + 5);
fact.at(0) = fact.at(1) = fact_inv.at(0) = fact_inv.at(1) = inv.at(1) = 1;
for (long long i = 2; i < SIZE + 5; i++)
{
fact.at(i) = fact.at(i - 1) * i % MOD;
inv.at(i) = MOD - inv.at(MOD % i) * (MOD / i) % MOD;
fact_inv.at(i) = fact_inv.at(i - 1) * inv.at(i) % MOD;
}
}
long long nCk(long long n, long long k)
{
assert(!(n < k));
assert(!(n < 0 || k < 0));
return fact.at(n) * (fact_inv.at(k) * fact_inv.at(n - k) % MOD) % MOD;
}
};
ll extGCD(ll a, ll b, ll &x, ll &y)
{
if (b == 0)
{
x = 1;
y = 0;
return a;
}
ll d = extGCD(b, a % b, y, x);
y -= a / b * x;
return d;
}
void Main()
{
LCIN(N, A, B);
cout << min(-A * (N - 1) - N % 2 * B, A * (N - 1) - B * N) << endl;
}
int main()
{
cout << fixed << setprecision(15);
Main();
return 0;
}
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