#include <iostream>
int tab[12][4] =
{
{0, 0, 0, 0},
{2, 0, 0, 0},
{4, 2, 0, 0},
{8, 16, 0, 0},
{16, 100, 4, 0},
{32, 616, 72, 0},
{64, 4024, 952, 0},
{128, 28512, 11680, 0},
{256, 219664, 142800, 160},
{512, 1831712, 1788896, 7680},
{1024, 16429152, 23252832, 233792},
{2048, 157552000, 315549312, 5898240}
};
int main()
{
int n,k,p;
std::cin>>n>>k>>p;
int res=0;
if(k==1)
{
res=1;
while(--n)
res=(res*2)%p;
}
else if(k<=4)
res=tab[n-1][k-1]%p;
else
res=0;
std::cout<<res;
return 0;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | #include <iostream> int tab[12][4] = { {0, 0, 0, 0}, {2, 0, 0, 0}, {4, 2, 0, 0}, {8, 16, 0, 0}, {16, 100, 4, 0}, {32, 616, 72, 0}, {64, 4024, 952, 0}, {128, 28512, 11680, 0}, {256, 219664, 142800, 160}, {512, 1831712, 1788896, 7680}, {1024, 16429152, 23252832, 233792}, {2048, 157552000, 315549312, 5898240} }; int main() { int n,k,p; std::cin>>n>>k>>p; int res=0; if(k==1) { res=1; while(--n) res=(res*2)%p; } else if(k<=4) res=tab[n-1][k-1]%p; else res=0; std::cout<<res; return 0; } |
English