Code:
#include<cstdio> #include<algorithm> #include<iostream> #include<cstring> #include<string> using namespace std; void setIO(string a){ freopen((a+".in").c_str(),"r",stdin); } #define ll long long ll mod,g; int nodes; struct matrix{ long long mat[2][2]; }unit,solve,fin; void init(matrix &a){ for(int i=0;i<=nodes;++i) for(int j=0;j<=nodes;++j) a.mat[i][j]=0; } void get(matrix &a){ init(a); for(int i=0;i<=nodes;++i) a.mat[i][i]=1; } ll mult(ll a,ll b){ ll res=0; while(b>0){ if(b&1) res=(res+a)%mod; a=(a+a)%mod; b>>=1; } return res; } matrix operator*(matrix a,matrix b){ matrix c; init(c); for(int i=0;i<=nodes;++i) for(int j=0;j<=nodes;++j) for(int k=0;k<=nodes;++k) c.mat[i][j]=(c.mat[i][j]+mult(a.mat[i][k],b.mat[k][j]))%mod; return c; } matrix operator^(matrix a,ll p){ matrix res; get(res); while(p>0){ if(p&1) res=res*a; a=a*a; p>>=1; } return res; } int main(){ //setIO("input"); nodes=1; ll a,c,x,n; cin>>mod>>a>>c>>x>>n>>g; init(unit),init(solve); unit.mat[0][0]=a,unit.mat[1][1]=1,unit.mat[1][0]=c; solve.mat[0][0]=x,solve.mat[0][1]=1; fin=solve*(unit^n); cout<<(fin.mat[0][0]%mod)%g; return 0; }