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Re:不会吧!!!九个for循环爆搜就用了0ms!!!

Posted by ECPKN12_WANGSHUO at 2013-09-04 21:46:39 on Problem 1166
In Reply To:不会吧!!!九个for循环爆搜就用了0ms!!! Posted by:lianxueyifang at 2010-08-12 11:00:12
> #include <string.h>
> #include <stdio.h>
> int main()
> {
>       int i,a[10],b[10],c[10];
>       for(i=1;i<=9;i++)
>             scanf("%d",&a[i]);
>       for(b[1]=0;b[1]<=3;b[1]++)
>       for(b[2]=0;b[2]<=3;b[2]++)
>       for(b[3]=0;b[3]<=3;b[3]++)
>       for(b[4]=0;b[4]<=3;b[4]++)
>       for(b[5]=0;b[5]<=3;b[5]++)
>       for(b[6]=0;b[6]<=3;b[6]++)
>       for(b[7]=0;b[7]<=3;b[7]++)
>       for(b[8]=0;b[8]<=3;b[8]++)
>       for(b[9]=0;b[9]<=3;b[9]++)  {
>             c[1]=(a[1]+b[1]+b[2]+b[4])%4;
>             c[2]=(a[2]+b[1]+b[2]+b[3]+b[5])%4;
>             c[3]=(a[3]+b[2]+b[3]+b[6])%4;
>             c[4]=(a[4]+b[1]+b[4]+b[5]+b[7])%4;
>             c[5]=(a[5]+b[1]+b[3]+b[5]+b[7]+b[9])%4;
>             c[6]=(a[6]+b[3]+b[5]+b[6]+b[9])%4;
>             c[7]=(a[7]+b[4]+b[7]+b[8])%4;
>             c[8]=(a[8]+b[5]+b[7]+b[8]+b[9])%4;
>             c[9]=(a[9]+b[6]+b[8]+b[9])%4;
>             if(c[1]+c[2]+c[3]+c[4]+c[5]+c[6]+c[7]+c[8]+c[9]==0) {
>                     for(i=0;i<b[1];i++) printf("1 ");
>                     for(i=0;i<b[2];i++) printf("2 ");
>                     for(i=0;i<b[3];i++) printf("3 ");
>                     for(i=0;i<b[4];i++) printf("4 ");
>                     for(i=0;i<b[5];i++) printf("5 ");
>                     for(i=0;i<b[6];i++) printf("6 ");
>                     for(i=0;i<b[7];i++) printf("7 ");
>                     for(i=0;i<b[8];i++) printf("8 ");
>                     for(i=0;i<b[9];i++) printf("9 ");
>                     printf("\n");
>                     return(0);
>             }
>       }
> }

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