ADD file via upload

main
pfs3thlxz 2 weeks ago
parent 6e05c6b90e
commit f30fd69dec

@ -0,0 +1,272 @@
#include<stdio.h>
#include<time.h>
#include<stdlib.h>
#include<stdbool.h>
void putboard(int board[][9])
{
printf("|-----------------------|\n");
for(int i=0;i<9;i++)
{
printf("|");
for(int j=0;j<9;j++)
{
printf("%2d",board[i][j]);
if(j==2||j==5||j==8)
printf(" |");
}
printf("\n");
if(i==2||i==5||i==8)
printf("|-----------------------|\n");
}
}
void judgeboard(int board[][9])
{
int judge=0;
printf("The original Sudoku matrix:\n");
putboard(board);
flag1:
if(judge==0)
{
for(int i=0;i<9;i++)
{
for(int j=0;j<9;j++)
{
if(board[i][j]!=0)
{
for(int m=0;m<9;m++)
{
if(board[i][m]==board[i][j]&&m!=j)
{
printf("False:Invalid initial Sudoku matrix!\n");
printf(" The number %d in the line %d has been used!\n",board[i][j],i+1);
judge=1;
goto flag1;
}
}
}
}
}
}
flag2:
if(judge==0)
{
for(int i=0;i<9;i++)
{
for(int j=0;j<9;j++)
{
if(board[j][i]!=0)
{
for(int m=0;m<9;m++)
{
if(board[m][i]==board[j][i]&&m!=j)
{
printf("False:Invalid initial Sudoku matrix!\n");
printf(" The number %d in the col %d has been used!\n",board[j][i],i+1);
judge=1;
goto flag2;
}
}
}
}
}
}
flag3:
if(judge==0)
{
for(int i=0;i<=6;i=i+3)
{
for(int j=0;j<=6;j=j+3)
{
for(int x=i;x<i+3;x++)
{
for(int y=j;y<j+3;y++)
{
if(board[x][y]!=0)
{
for(int m=i;m<i+3;m++)
{
for(int n=j;n<j+3;n++)
{
if(board[m][n]==board[x][y]&&(m!=x||n!=y))
{
printf("False:Invalid initial Sudoku matrix!\n");
printf(" The number %d in the block %d has been used!\n",board[x][y],i/3+1+(j/3+1)*3);
judge=1;
goto flag3;
}
}
}
}
}
}
}
}
}
if(judge==0)
printf("True:Valid initial Sudoku matrix!\n");
}
int judgeboard2(int board[][9])
{
int judge=0;
flag1:
if(judge==0)
{
for(int i=0;i<9;i++)
{
for(int j=0;j<9;j++)
{
if(board[i][j]!=0)
{
for(int m=0;m<9;m++)
{
if(board[i][m]==board[i][j]&&m!=j)
{
judge=1;
goto flag1;
}
}
}
}
}
}
flag2:
if(judge==0)
{
for(int i=0;i<9;i++)
{
for(int j=0;j<9;j++)
{
if(board[j][i]!=0)
{
for(int m=0;m<9;m++)
{
if(board[m][i]==board[j][i]&&m!=j)
{
judge=1;
goto flag2;
}
}
}
}
}
}
flag3:
if(judge==0)
{
for(int i=0;i<=6;i=i+3)
{
for(int j=0;j<=6;j=j+3)
{
for(int x=i;x<i+3;x++)
{
for(int y=j;y<j+3;y++)
{
if(board[x][y]!=0)
{
for(int m=i;m<i+3;m++)
{
for(int n=j;n<j+3;n++)
{
if(board[m][n]==board[x][y]&&(m!=x||n!=y))
{
judge=1;
goto flag3;
}
}
}
}
}
}
}
}
}
return judge;
}
void creatboard(int board[][9])
{
srand(time(NULL));
for(int i=0;i<9;i++)
{
for(int j=0;j<9;j++)
board[i][j]=0;
}
int a[9]={0};
int n,m;
for(int i=1;i<=3;i++)
{
for(int j=1;j<=9;j++)
{
n=rand()%10;
m=rand()%10;
while(!(n-(i-1)*3>=0&&n-(i-1)*3<3)||a[n]>=3||!(m>=0&&m<9)||board[n][m]!=0)
{
n=rand()%10;
m=rand()%10;
}
board[n][m]=j;
a[n]++;
}
}
}
bool solveboard(int board[][9])
{
int n=10,m=10;
flag:
if(n==10)
{
for(int i=0;i<9;i++)
{
for(int j=0;j<9;j++)
{
if(board[i][j]==0)
{
n=i;
m=j;
goto flag;
}
if(i==8&&j==8)
return true;
}
}
}
for(int x=1;x<=9;x++)
{
board[n][m]=x;
int c=judgeboard2(board);
board[n][m]=0;
if(c==0)
{
board[n][m]=x;
if(solveboard(board))
return true;
board[n][m]=0;
}
}
return false;
}
int main()
{
int board[9][9] = {{5, 3, 0, 0, 7, 0, 0, 0, 0},
{6, 0, 0, 1, 9, 5, 0, 0, 0},
{0, 9, 8, 0, 0, 0, 0, 6, 0},
{8, 0, 0, 0, 6, 0, 0, 0, 3},
{4, 0, 0, 8, 0, 3, 0, 0, 1},
{7, 0, 0, 0, 2, 0, 0, 0, 6},
{0, 6, 0, 0, 0, 0, 2, 8, 0},
{0, 0, 0, 4, 1, 9, 0, 0, 5},
{0, 0, 0, 0, 8, 0, 0, 7, 9}};
judgeboard(board);
int n=judgeboard2(board);
if(n==1)
printf("No Solution!\n");
else
if(solveboard(board))
{
printf("The solution of Sudoku matrix:\n");
solveboard(board);
putboard(board);
}
else
printf("No Solution!\n");
return 0;
}
Loading…
Cancel
Save