Mai intai trebuie sa te autentifici.
Cod sursa(job #1447136)
Utilizator | Data | 3 iunie 2015 18:53:42 | |
---|---|---|---|
Problema | Diviz | Scor | 60 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 1.44 kb |
#include <cstdio>
#include <algorithm>
#include <cstring>
#define Nmax 205
#define Kmax 105
#define mod 30103
using namespace std;
int n, i, j, k, a, b, r, cif,i2;
int d[2][Nmax][Kmax];
int sol, v[Nmax];
int first[10][Nmax];
char s[Nmax];
int main()
{
freopen("diviz.in", "r", stdin);
freopen("diviz.out", "w", stdout);
scanf("%d %d %d\n", &k, &a, &b);
gets(s + 1);
n = strlen(s + 1);
for (i = 1; i <= n; ++ i)
v[i] = s[i] - '0';
for (i = n; i >= 1; -- i)
for (j = 0; j <= 9; ++ j)
if (v[i] != j)
first[j][i] = first[j][i + 1];
else first[j][i] = i;
for (j = 1; j <= 9; ++ j)
if (first[j][1])
{
d[1][first[j][1]][j % k] = 1;
if (a == 1 && j % k == 0)
sol = (sol + d[1][first[j][1]][j % k]) % mod;
}
i2 = 1;
for (i = 1; i < b; ++ i)
{
i2 = 1 - i2;
for (j = 1; j <= n; ++ j)
for (cif = 0; cif <= 9; ++ cif)
if (first[cif][j + 1])
for (r = 0; r < k; ++ r)
{
d[i2][first[cif][j + 1]][(r * 10 + cif) % k] =
( d[1 - i2][j][r] + d[i2][first[cif][j + 1]][(r * 10 + cif) % k]) % mod;
}
if (i + 1>= a)
{
for (j = 1; j <= n; ++ j)
sol = (sol + d[i2][j][0]) % mod;
}
memset(d[1 - i2], 0, sizeof(d[1 - i2]));
}
printf("%d", sol);
return 0;
}