SkywalkerLiACMer @ 2020-02-01 17:49:41
深度优先搜索标准题
#include<stdio.h>
#include<math.h>
int sum=0,A,B,C;
int book[10],a[10];
void dfs(int step,int x,int y,int z)
{
int i;
if(step==10)
{
A=a[1]*100+a[2]*10+a[3];
B=a[4]*100+a[5]*10+a[6];
C=a[7]*100+a[8]*10+a[9];
if(A*y==B*x&&B*z==C*y)
{
printf("%d %d %d\n",A,B,C);
sum++;
}
return;
}
for(i=1;i<=9;i++)
{
if(book[i]==0)
{
a[step]=i;
book[i]=1;
dfs(step+1,x,y,z);
book[i]=0;
}
}
return;
}
int main()
{
int x,y,z;
scanf("%d %d %d",&x,&y,&z);
dfs(1,x,y,z);
if(sum==0) printf("No!!!");
return 0;
}
by He_Ren @ 2020-02-01 17:59:07
中国竞赛的希望
by Kubic @ 2020-02-01 18:01:00
我们的红太阳!
by SkywalkerLiACMer @ 2020-02-01 20:20:21
@He_Ren (手动滑稽)
by He_Ren @ 2020-02-01 20:40:07
@SkywalkerLiACMer 讨论区题解违法规定,快删帖
by GoldenFishX @ 2020-02-17 18:16:34
SQLM