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Discussion of Problem 1083. Factorials!!!

C++ AC
Posted by D4nick 3 Jan 2019 06:03
#include <iostream>
#include <string>
using namespace std;
long long fact(int n, int k) {
    long long fact = 0, ans = 1; int i = 0;
    for (; n - i*k > 0; i++) {
        ans *= n - i*k;
    }
    return ans;
}
int main() {
    int n, k; string s;
    cin >> n >> s;
    k = s.length();
    cout << fact(n, k);
}

Edited by author 30.01.2019 03:24
Re: C++ AC
Posted by abid1729 9 Aug 2019 22:57
#include<bits/stdc++.h>
#include<cstring>
#include<cmath>
using namespace std;
int fact(int h){
    int p=1,i=1;
while(h--){
   p*=i;
   i++;
}
return p;
}
long power(int a, int b){
    int c;
    while(b--){
        c*=a;
    }
    return c;
}
int main()
{
    int n,i,j=1;
    string a;
    cin>>n>>a;
    int k=a.length();
    i=n/k;
    if(n%k==0){
        cout<<power(k,i)*fact(i);
    }
    else{
            for(i=(n%k);i<=n;i+=k){
                j*=i;
            }
        cout<<j;
    }
}
Re: C++ AC
Posted by Asad Binsaber 7 Nov 2019 11:54
#include<bits/stdc++.h>

using namespace std;
int main()
{
   int n, k, i, t=1;
   string str;

   cin>>n>>str;

    k=str.length();


   for(i=n; i>=0; ){
        if(i==0) break;
        else t = t * i;
        if(i==(n%k)) break;
        if(i<k) i=n%k;
        else i=i-k;
   }
   cout<<t<<endl;

   return 0;
}