求用C语言编一个解九宫格数独的程序

2024-11-21 21:10:03

推荐回答（3个）

回答1：

前两天刚写完,还没优化,已运行通过了.
晕，一维的好麻烦，这个也是碰巧前两天刚写好的，你看着自己修改下
#include

typedef struct
{
int line;
int row;
int num;
}Node;

int main()
{
/*
int a[9][9]={
{4,0,3,6,0,0,0,0,0},
{0,0,0,0,0,1,0,2,4},
{0,1,0,0,4,0,5,0,0},
{0,0,0,9,0,4,0,6,0},
{3,0,2,0,0,0,4,0,9},
{0,7,4,1,0,3,0,0,0},
{0,0,1,0,9,0,0,4,0},
{2,4,0,3,0,0,0,0,0},
{0,0,0,4,0,8,2,0,7}};
*/
int a[9][9]={
{0,0,0,8,0,0,0,6,0},
{8,7,0,0,0,0,0,0,0},
{2,9,0,0,4,1,0,0,5},
{0,0,5,7,0,0,0,0,9},
{0,2,0,0,0,0,0,1,0},
{9,0,0,0,0,4,3,0,0},
{7,0,0,6,1,0,0,9,8},
{0,0,0,0,0,0,0,5,2},
{0,6,0,0,0,9,0,0,0}};
/*
int a[9][9]={
{0,2,0,0,6,0,0,0,0},
{0,9,0,4,0,5,1,3,0},
{0,0,8,7,0,0,0,0,5},
{6,0,0,3,0,0,4,0,0},
{0,0,0,9,0,6,0,0,0},
{0,0,7,0,0,1,0,0,3},
{4,0,0,0,0,7,3,0,0},
{0,8,5,2,0,4,0,7,0},
{0,0,0,0,9,0,0,1,0}};
*/
/*
int a[9][9]={
{0,0,3,0,2,0,0,0,6},
{0,0,2,0,9,0,0,0,4},
{7,0,0,8,0,0,2,0,3},
{0,8,0,0,7,0,5,0,0},
{0,7,0,1,0,6,0,3,0},
{0,0,0,2,0,0,0,9,0},
{4,0,6,0,0,8,0,0,5},
{6,0,0,0,4,0,3,0,0},
{9,0,0,0,1,0,7,0,0}};
*/
int i,j,n,en,flag,y,k=0,x,qu,p,q;
Node b[70];
for(i=0;i<9;i++)
{
for(j=0;j<9;j++)
{
if(!a[i][j])
{
b[k].line=i;
b[k].row=j;
b[k].num=0;
k+=1;
}
}
}
en=k;
/*从b[0]开始试，若b[k].num>9,则k-1,否则k+1*/
for(k=0;k {
++b[k].num;
i=b[k].line;
j=b[k].row;
a[i][j]=b[k].num;
n=0;
while(n<9&&b[k].num<=9)
{
if(n==i)
{
for(y=0;y<9;y++)
{
if(y==j)
continue;
if(a[n][y]==a[i][j])
flag=1;
}
}
else if(n==j)
{
for(y=0;y<9;y++)
{
if(y==i)
continue;
if(a[y][n]==a[i][j])
flag=1;
}
}
/*判断同一块中有没有相同值*/
qu=3*(i/3)+j/3;
switch(qu)
{
case 0:x=0;
y=0;
break;
case 1:x=0;
y=3;
break;
case 2:x=0;
y=6;
break;
case 3:x=3;
y=0;
break;
case 4:x=3;
y=3;
break;
case 5:x=3;
y=6;
break;
case 6:x=6;
y=0;
break;
case 7:x=6;
y=3;
break;
default :x=6;
y=6;
break;
}
p=x;
q=y;
for(;x {
for(;y {
if(x==i&&y==j)
continue;
if(a[x][y]==a[i][j])
{
flag=1;
break;
}
}
if(flag==1)
break;
}
if(flag==1)
{
a[i][j]=++b[k].num;
flag=0;
n=0;
continue;
}
n++;
}
if(b[k].num>9)
{
a[i][j]=b[k].num=0;
k--;
if(k<0)
{
printf("error!\r\n");
return -1;
}
}
else
k++;
}
for(i=0;i<9;i++)
{
for(j=0;j<9;j++)
{
printf("%d",a[i][j]);
}
printf("\r\n");
}
return 1;
}

回答2：

前两天刚写完,还没优化,已运行通过了.
晕，一维的好麻烦，这个也是碰巧前两天刚写好的，你看着自己修改下
#include

typedef
struct
{
int
line;
int
row;
int
num;
}Node;
int
main()
{
/*
int
a[9][9]={
{4,0,3,6,0,0,0,0,0},
{0,0,0,0,0,1,0,2,4},
{0,1,0,0,4,0,5,0,0},
{0,0,0,9,0,4,0,6,0},
{3,0,2,0,0,0,4,0,9},
{0,7,4,1,0,3,0,0,0},
{0,0,1,0,9,0,0,4,0},
{2,4,0,3,0,0,0,0,0},
{0,0,0,4,0,8,2,0,7}};
*/
int
a[9][9]={
{0,0,0,8,0,0,0,6,0},
{8,7,0,0,0,0,0,0,0},
{2,9,0,0,4,1,0,0,5},
{0,0,5,7,0,0,0,0,9},
{0,2,0,0,0,0,0,1,0},
{9,0,0,0,0,4,3,0,0},
{7,0,0,6,1,0,0,9,8},
{0,0,0,0,0,0,0,5,2},
{0,6,0,0,0,9,0,0,0}};
/*
int
a[9][9]={
{0,2,0,0,6,0,0,0,0},
{0,9,0,4,0,5,1,3,0},
{0,0,8,7,0,0,0,0,5},
{6,0,0,3,0,0,4,0,0},
{0,0,0,9,0,6,0,0,0},
{0,0,7,0,0,1,0,0,3},
{4,0,0,0,0,7,3,0,0},
{0,8,5,2,0,4,0,7,0},
{0,0,0,0,9,0,0,1,0}};
*/
/*
int
a[9][9]={
{0,0,3,0,2,0,0,0,6},
{0,0,2,0,9,0,0,0,4},
{7,0,0,8,0,0,2,0,3},
{0,8,0,0,7,0,5,0,0},
{0,7,0,1,0,6,0,3,0},
{0,0,0,2,0,0,0,9,0},
{4,0,6,0,0,8,0,0,5},
{6,0,0,0,4,0,3,0,0},
{9,0,0,0,1,0,7,0,0}};
*/
int
i,j,n,en,flag,y,k=0,x,qu,p,q;
Node
b[70];
for(i=0;i<9;i++)
{
for(j=0;j<9;j++)
{
if(!a[i][j])
{
b[k].line=i;
b[k].row=j;
b[k].num=0;
k+=1;
}
}
}
en=k;
/*从b[0]开始试，若b[k].num>9,则k-1,否则k+1*/
for(k=0;k{
++b[k].num;
i=b[k].line;
j=b[k].row;
a[i][j]=b[k].num;
n=0;
while(n<9&&b[k].num<=9)
{
if(n==i)
{
for(y=0;y<9;y++)
{
if(y==j)
continue;
if(a[n][y]==a[i][j])
flag=1;
}
}
else
if(n==j)
{
for(y=0;y<9;y++)
{
if(y==i)
continue;
if(a[y][n]==a[i][j])
flag=1;
}
}
/*判断同一块中有没有相同值*/
qu=3*(i/3)+j/3;
switch(qu)
{
case
0:x=0;
y=0;
break;
case
1:x=0;
y=3;
break;
case
2:x=0;
y=6;
break;
case
3:x=3;
y=0;
break;
case
4:x=3;
y=3;
break;
case
5:x=3;
y=6;
break;
case
6:x=6;
y=0;
break;
case
7:x=6;
y=3;
break;
default
:x=6;
y=6;
break;
}
p=x;
q=y;
for(;x{
for(;y{
if(x==i&&y==j)
continue;
if(a[x][y]==a[i][j])
{
flag=1;
break;
}
}
if(flag==1)
break;
}
if(flag==1)
{
a[i][j]=++b[k].num;
flag=0;
n=0;
continue;
}
n++;
}
if(b[k].num>9)
{
a[i][j]=b[k].num=0;
k--;
if(k<0)
{
printf("error!\r\n");
return
-1;
}
}
else
k++;
}
for(i=0;i<9;i++)
{
for(j=0;j<9;j++)
{
printf("%d",a[i][j]);
}
printf("\r\n");
}
return
1;
}

回答3：

http://baike.baidu.com/view/451932.html?wtp=tt
这是概念哦,我还是第一次了解.