Pagini recente » Cod sursa (job #2401020) | Cod sursa (job #1349095) | Cod sursa (job #2627943) | Cod sursa (job #1453744) | Cod sursa (job #2315714)
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("cowfood.in");
ofstream g("cowfood.out");
const int NMAX = 21, KMAX = 31, SMAX = 10001;
const int MOD = 3210121;
int K, S, N, V, E;
int M[NMAX][KMAX], x[NMAX], MAX[NMAX][KMAX], SCOMB[SMAX];
void calcSumComb()
{
for(int i = 0; i <= S; i++)
SCOMB[i] = 1;
for(int i = 1; i <= K; i++)
for(int j = 1; j <= S; j++)
{
SCOMB[j] += SCOMB[j - 1];
SCOMB[j] %= MOD;
}
}
void genSubm(int n, int m)
{
int semn, k = 1, i;
x[1] = 0;
if(m % 2 == 0) semn = -1;
else semn = 1;
while(k > 0)
if(x[k] < n - m + k)
{
x[k]++;
for(i = 1; i <= K; i++)
MAX[k][i] = max(MAX[k - 1][i], M[x[k]][i]);
if(k == m)
{
int sum = 0;
for(i = 1; i <= K; i++)
sum += MAX[m][i];
if(sum <= S)
{
E += semn * SCOMB[S - sum];
E %= MOD;
}
}
else
{
k++;
x[k] = x[k - 1];
}
}
else
k--;
}
int main()
{
f >> K >> S >> N;
calcSumComb();
for(int i = 1; i <= N; i++)
for(int j = 1; j <= K; j++)
f >> M[i][j];
E = 0;
for(int i = 1; i <= N; i++)
genSubm(N, i);
V = SCOMB[S] - S * K - 1 - E;
V %= MOD;
if(V < 0)V += MOD;
g << V;
f.close();
g.close();
return 0;
}