結果

問題 No.933 おまわりさんこいつです
ユーザー nullnull
提出日時 2019-10-31 22:19:42
言語 C++17(clang)
(17.0.6 + boost 1.87.0)
結果
WA  
(最新)
AC  
(最初)
実行時間 -
コード長 3,852 bytes
コンパイル時間 1,319 ms
コンパイル使用メモリ 144,176 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-11-30 15:35:32
合計ジャッジ時間 1,795 ms
ジャッジサーバーID
(参考情報)
judge4 / judge3
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
other AC * 23 WA * 2
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

/*
!
Be accepted!
_ 
。・ω・。)━☆*
      +.
    °+ *´¨)
  .· ´¸.·*´¨) ¸.·*¨)
          (¸.·´ (¸.·'* ☆
*/
#include <stdio.h>
#include <algorithm>
#include <string>
#include <cmath>
#include <cstring>
#include <vector>
#include <numeric>
#include <iostream>
#include <random>
#include <map>
#include <unordered_map>
#include <queue>
#pragma GCC optimize("Ofast")
#define rep(i, n) for(int i = 0; i < (n); ++i)
#define rep1(i, n) for(int i = 1; i <= (n); ++i)
#define rep2(i, n) for(int i = 2; i < (n); ++i)
#define repr(i, n) for(int i = n; i >= 0; --i)
#define reprm(i, n) for(int i = n - 1; i >= 0; --i)
#define printynl(a) printf(a ? "yes\n" : "no\n")
#define printyn(a) printf(a ? "Yes\n" : "No\n")
#define printYN(a) printf(a ? "YES\n" : "NO\n")
#define printin(a) printf(a ? "possible\n" : "inposible\n")
#define printdb(a) printf("%.50lf\n", a)//
#define printdbd(a) printf("%.16lf\n", a)//()
#define prints(s) printf("%s\n", s.c_str())//string
#define all(x) (x).begin(), (x).end()
#define allsum(a, b, c) ((a + b) * c / 2)//,,
#define pb push_back
#define priq priority_queue
#define rpriq priq<int, vector<int>, greater<int>>
#define deg_to_rad(deg) (((deg)/360.0)*2.0*PI)
#define rad_to_deg(rad) (((rad)/2.0/PI)*360.0)
using ll = long long;
const int INF = 1073741823;
const int MINF = -1073741823;
const ll LINF = ll(4661686018427387903);
const ll MOD = 1000000007;
const double PI = acos(-1);
using namespace std;
void scans(string& str) {
char c;
scanf("%c", &c);
if (c == '\n')scanf("%c", &c);//
while (c != '\n' && c != -1) {
str += c;
scanf("%c", &c);
}
}
double acot(double x) {
return PI / 2 - atan(x);
}
template< int mod >
struct ModInt {
int x;
ModInt() : x(0) {}
ModInt(int64_t y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}
ModInt& operator+=(const ModInt& p) {
if ((x += p.x) >= mod) x -= mod;
return *this;
}
ModInt& operator-=(const ModInt& p) {
if ((x += mod - p.x) >= mod) x -= mod;
return *this;
}
ModInt& operator*=(const ModInt& p) {
x = (int)(1LL * x * p.x % mod);
return *this;
}
ModInt& operator/=(const ModInt& p) {
*this *= p.inverse();
return *this;
}
ModInt operator-() const { return ModInt(-x); }
ModInt operator+(const ModInt& p) const { return ModInt(*this) += p; }
ModInt operator-(const ModInt& p) const { return ModInt(*this) -= p; }
ModInt operator*(const ModInt& p) const { return ModInt(*this) *= p; }
ModInt operator/(const ModInt& p) const { return ModInt(*this) /= p; }
bool operator==(const ModInt& p) const { return x == p.x; }
bool operator!=(const ModInt& p) const { return x != p.x; }
ModInt inverse() const {
int a = x, b = mod, u = 1, v = 0, t;
while (b > 0) {
t = a / b;
swap(a -= t * b, b);
swap(u -= t * v, v);
}
return ModInt(u);
}
ModInt pow(int64_t n) const {
ModInt ret(1), mul(x);
while (n > 0) {
if (n & 1) ret *= mul;
mul *= mul;
n >>= 1;
}
return ret;
}
friend ostream& operator<<(ostream& os, const ModInt& p) {
return os << p.x;
}
friend istream& operator>>(istream& is, ModInt& a) {
int64_t t;
is >> t;
a = ModInt< mod >(t);
return (is);
}
static int get_mod() { return mod; }
};
using modint = ModInt< 1000000007 >;//MOD=1e9 + 7
/*----------------------------------------------------------------------------------*/
int main() {
ModInt<9> a = 1;
int n, p;
bool b = false;
scanf("%d", &n);
rep(i, n) {
scanf("%d", &p);
a *= p;
b += (p == 0);
}
if (a != 0)cout << a << endl;
else if (b)cout << 0 << endl;
else cout << 9 << endl;
}
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