Kertoma

#include <iostream>
#include <string.h>
#include<algorithm>
#include <vector>
using namespace std;
#define MAX 2090000
 
int WWWWW;
int multiply(int x, int res[], int res_size);
void factorial(int n)
{
    int res[MAX]; res[0] = 1;    int res_size = 1;

    for (int x = 2; x <= n; x++)
        res_size = multiply(x, res, res_size);
    vector<int> v;
    
    for (int i = res_size - 1; i >= 0; i--)
    v.push_back(res[i]);
    WWWWW=v.size();
}

int multiply(int x, int res[], int res_size)
{
    int carry = 0;
 
    for (int i = 0; i < res_size; i++) {
        int prod = res[i] * x + carry;
        res[i] = prod % 10;        carry = prod / 10;
    }
 
    while (carry) {
        res[res_size] = carry % 10;
        carry = carry / 10;
        res_size++;
    }
    return res_size;
}


int main()
{
    int a,b,ccc,d,e,f,g,h,i,j;
    cin >> a >> b >> ccc >> d >> e >> f >> g >> h >> i >> j;
    int x=a+b+ccc+d+e+f+g+h+i+j;
    if (x>10) {
    long n;
            long c=10;
            long zzz;
            if (x>5565708) {zzz=1000000;}
            else if (x>456574) {zzz=100000;}
            else if (x>35660) {zzz=10000;}
            else if (x>2568) {zzz=1000;}
            else if (x>158) {zzz=100;}
            else {zzz=10;}
            long p=zzz;
                for (n=zzz; x>p ;n+=zzz/c) {
        factorial(n);
        p=WWWWW; 
        if (x<p) {
            p=1;
            n-=zzz/c; 
            c*=10;}     }
            n-=zzz/c;
cout <<n;
}
else {
    if (x==2) cout << 4;
    else if (x==1 && b==1) cout << 1;
    else if (x==1 && ccc==1) cout << 2;
    else if (x==1 && d==1) cout << 3;
    else if (x==3 && b==1) cout << 5;
    else if (x==0) cout << 0;
    else if (x==7) cout << 10;
    else if (x==4) cout << 7;
    else if (x==5) cout << 8;
    else if (x==6) cout << 9;
    else cout << 6;
}
            }

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

Test 2

Group: 1, 2, 3

Verdict: WRONG ANSWER

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

Test 7

Group: 2, 3

Verdict: ACCEPTED

Test 8

Group: 2, 3

Verdict: ACCEPTED

Test 9

Group: 2, 3

Verdict: ACCEPTED

Test 10

Group: 2, 3

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 12

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 13

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 14

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 15

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 16

Group: 3

Verdict: TIME LIMIT EXCEEDED