Submission #89886

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
89886	2018-12-18 18:58:35	vex	Mate (COCI18_mate)	C++14	100 / 100	1810 ms	51480 KiB

mate

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#include <bits/stdc++.h>
#define maxn 2005
#define MOD 1000000007
using namespace std;
int n,q;
string s;
long long bc[maxn][maxn];
long long poj[maxn][26];
long long sol[maxn][26][26];
long long f[maxn];
long long invf[maxn];
long long ste(long long x,long long y)
{
    if(y==0)return 1LL;
    if(y%2==0)
    {
        long long res=ste(x,y/2);
        return (res*res)%MOD;
    }
    return (x*ste(x,y-1))%MOD;
}
long long inv(long long x){return ste(x,MOD-2);}
void resi()
{
    f[0]=1LL;
    for(int i=1;i<=n;i++)f[i]=(f[i-1]*i)%MOD;
    for(int i=0;i<=n;i++)invf[i]=inv(f[i]);
 
 
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• Subtask 1: 100 / 100