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Re:不知道为什么大家写的代码都那么长?提供下我写的·。In Reply To:不知道为什么大家写的代码都那么长?提供下我写的·。 Posted by:tcet030840zxp at 2012-03-11 00:14:40 > #include<stdio.h> > #include<string.h> > int b[65][65],x[65][65]; > int n,k,m; > void mul(int a[65][65],int x[65][65]) > { > int i,j,k; > int t[65][65]; > memset(t,0,sizeof(t)); > for(i=0;i<n;i++) > for(j=0;j<n;j++) > for(k=0;k<n;k++) > t[i][j]=(t[i][j]+a[i][k]*x[k][j])%m; > memcpy(a,t,sizeof(t)); > } > int main() > { > int i,j; > scanf("%d%d%d",&n,&k,&m); > for(i=0;i<n;i++) > for(j=0;j<n;j++) > scanf("%d",&x[i][j]); > for(i=0;i<n;i++) > { > x[i+n][i]=1; > x[i+n][i+n]=1; > b[i][i]=1; > b[i][i+n]=1; > } > n<<=1; > for(i=0;(1<<i)<=k;i++) > { > if(k&(1<<i))mul(b,x); > mul(x,x); > } > n>>=1; > for(i=0;i<n;i++)b[i][i]=(b[i][i]-1+m)%m; > for(i=0;i<n;i++) > { > for(j=0;j<n-1;j++)printf("%d ",b[i][j]); > printf("%d\n",b[i][n-1]); > } > return 0; > } Followed by: Post your reply here: |
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