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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#700138#5304. Money Gametsogsummit#WA 0ms3724kbC++141.5kb2024-11-02 12:06:292024-11-02 12:06:29

Judging History

你现在查看的是最新测评结果

  • [2024-11-02 12:06:29]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3724kb
  • [2024-11-02 12:06:29]
  • 提交

answer

#include <iostream>
#include <algorithm>
#include <cmath>
#include <map>

#define ll long long
#define F first
#define S second
#define pb push_back
#define mp make_pair

int phi(int n) {
    int result = n;
    for (int i = 2; i * i <= n; i++) {
        if (n % i == 0) {
            while (n % i == 0)
                n /= i;
            result -= result / i;
        }
    }
    if (n > 1)
        result -= result / n;
    return result;
}

using namespace std;

ll gcd(ll a, ll b) {
    if(b == 0)
        return a;
    return gcd(b, a % b);
}



ll binpow(ll a, ll b , int mod) {
    ll res = 1;
    a %= mod;
    while(b > 0) {
        if(b & 1){
            res = res * a;
            res %= mod;
        }
        a = a * a;
        a %= mod;
        b >>= 1;
    }
    return res % mod;
}

int main(){
    long long n , m , i;
    cin >> n >> m;
    long long sum = 0 , a;
    for(i = 0 ; i < n ; i ++){
        cin >> a;
        sum += a;
    }
    long long k = gcd(gcd(n , n*(n + 1)/ 2) , m);
    
    long long res = sum % k;
    cout << res << '\n';//hariu;
    long long resres;
    if(gcd(n , m) == k){
        resres = binpow(n/k , phi(m/k) - 1, m/k);
        res -= sum;
        while(res < 0)res += m;
        cout << resres * res / k<< " 0";
        
    }
    else {
        resres = binpow(n*(n + 1)/2/k, phi(m/k) - 1, m/k);
        res -= sum;
        while(res < 0)res += m;
        cout << "0 " << resres * res / k;
    }
}

Details

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Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3724kb

input:

2
4 2

output:

0
0 0

result:

wrong answer 1st numbers differ - expected: '4.0000000', found: '0.0000000', error = '1.0000000'