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139 lines
2.6 KiB
139 lines
2.6 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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int main(){
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int board0[9][9] = {{5, 3, 0, 0, 7, 0, 0, 0, 0},
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{6, 0, 0, 1, 9, 5, 0, 0, 0},
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{0, 9, 8, 0, 0, 0, 0, 6, 0},
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{8, 0, 0, 0, 6, 0, 0, 0, 3},
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{4, 0, 0, 8, 0, 3, 0, 0, 1},
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{7, 0, 0, 0, 2, 0, 0, 0, 6},
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{0, 6, 0, 0, 0, 0, 2, 8, 0},
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{0, 0, 0, 4, 1, 9, 0, 0, 5},
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{0, 0, 0, 0, 8, 0, 0, 7, 9}};
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int board1[9][9] = {{8, 3, 0, 0, 7, 0, 0, 0, 0},
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{6, 0, 0, 1, 9, 5, 0, 0, 0},
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{0, 9, 8, 0, 0, 0, 0, 6, 0},
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{8, 0, 0, 0, 6, 0, 0, 0, 3},
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{4, 0, 0, 8, 0, 3, 0, 0, 1},
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{7, 0, 0, 0, 2, 0, 0, 0, 6},
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{0, 6, 0, 0, 0, 0, 2, 8, 0},
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{0, 0, 0, 4, 1, 9, 0, 0, 5},
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{0, 0, 0, 0, 8, 0, 0, 7, 9}};
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printf("The original Sudoku matrix:\n");
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int i=0,j=0,z=0,k=0,m=0;
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for(i=0;i<9;i++){
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if(i==0)
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{printf("|-----------------------|");
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printf("\n");
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}
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for(j=0;j<9;j++)
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{
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if(j==0)
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{printf("| ");
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}
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printf("%d ",board0[i][j]);
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if(j%3==2&&j!=0){
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printf("| ");
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}
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if(j==8){
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printf("\n");
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}
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}
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if(i%3==2&&i!=0)
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{
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printf("|-----------------------|\n");
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}
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}
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int a[10];
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for(m=0;m<=10;m++)
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{
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a[m]=0;
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}
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for(i=0;i<9;i++)
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{
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for (j=0;j<9;j++)
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{
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a[board0[i][j]]++;
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}
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for (j=1;j<10;j++)
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{
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if(a[j]>1)
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{
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printf("False:Invalid initial Sudoku matrix!\n");
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printf("The number %d in the row %d has been used!\n",j,i+1);
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k++;
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exit(0);
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}
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}
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for(m=0;m<=10;m++)
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{
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a[m]=0;
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}
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}
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for(j=0;j<9;j++)
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{
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for (i=0;i<9;i++)
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{
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a[board0[i][j]]++;
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}
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for (i=1;i<10;i++)
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{
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if(a[i]>1)
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{
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printf("False:Invalid initial Sudoku matrix!\n");
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printf("The number %d in the col %d has been used!\n",i,j+1);
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k++;
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exit(0);
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}
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}
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for(m=0;m<=10;m++)
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{
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a[m]=0;
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}
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}
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for(z=0;z<3;z++){
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for(i=z*3;i<(z+1)*3;i++)
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{
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for(j=i*3;j<(i+1)*3;j++){
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a[board0[i][j]]++;
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}
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for (j=1;j<10;j++)
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{
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if(a[j]>1)
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{
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printf("False:Invalid initial Sudoku matrix!\n");
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printf("The number %d in the block %d has been used!\n",j,z*3+i/3+j/3);
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k++;
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exit(0);
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}
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}
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for(m=0;m<=10;m++)
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{
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a[m]=0;
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}
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}
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}
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if(k==0)
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{
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printf("True:Valid initial Sudoku matrix!");
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}
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return 0;
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}
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