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Code: Select all

#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <set>
#include <algorithm>
#include <cstdlib>
#include <cmath>

using namespace std;

#define FOR(x,a,b) for(int x=(a); x<(b);x++)
#define LET(x,a) __typeof(a) x(a)
#define IFOR(i,a,b) for(LET(i,a);i!=(b);++i)
#define EACH(it,v) IFOR(it,v.begin(),v.end())
#define REP(i,n) for(int i=0;i<n;++i)

#define INF (0x7FFFFFFF)
#define pb push_back
#define GI ({int t; scanf("%d", &t); t;})
#define sz size()

typedef long long LL;

set<multiset<char> > vis;

int n;
char num[17];

inline int dig(char a) {
  if(a <= '9') return a-'0';
  return a-'A'+10;
}

inline multiset<char> get(int mask) {
  multiset<char> s;
  REP(i, n) if(mask&(1<<i)) s.insert(num[i]);
  
  return s;
}

LL fact[17];

LL go(int mask) {
  if(vis.count(get(mask))) return 0;
  
  multiset<char> s = get(mask);
  vis.insert(s);
  
  int count[16]; memset(count, 0, sizeof(count));
  int sum = 0;
  int c = 0;
  
  REP(i, n) if(mask & (1<<i))
    sum = (sum+dig(num[i])), count[dig(num[i])]++, c++;
  
  if(sum%5 != 0) return 0;
  LL den = 1;
  REP(i, 16) if(count[i]) den *= fact[count[i]];
  
  return fact[c]/den;
}

int main()
{
  fact[0] = 1; FOR(i,1,17) fact[i] = fact[i-1]*i;
  while(scanf("%s", num)+1) {
    if(num[0] == '#') break;
    n = strlen(num);
    vis.clear();
    unsigned long long ans = 0;
    
    FOR(i,1,(1<<n)) ans += go(i);
    
    printf("%lld\n", ans);

  }
  return 0;
}

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555AAA
55AA
5A
55AAFF
5AF
12345
#

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68
18
4
270
15
161

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AAAAAAAAAAAAAA
A
AA
AAAAAAAAAAAAAAAA
AAAAA55555FFFFF
AAAAA5555FFFFF55
123456789ABCDEF
123456789ABCDEF5
1123456789ABCDEF
#

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14
1
2
16
2435199
6529444
1682843078091
14096761539970
1743530301000

Code: Select all

14
1
2
16
2435199
6529444
1757073698223
14635897285138
4133746960368