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82 lines
1.6 KiB
82 lines
1.6 KiB
#include <stdio.h>
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#include <time.h>
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#include <stdlib.h>
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int main()
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{
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printf("The original Sudoku matrix: ");
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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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int i,j,k;
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int f=1;
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for(i=0;i<9;i++)
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{
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int x[10]={0};
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for(j=0;j<9;j++)
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{
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x[board1[i][j]]+=1;
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}
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for(k=1;k<=9;k++)
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{
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if(x[k]>1&&f==1)
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{
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printf("False:Invalid initial Sudoku matrix!");
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printf("The number %d in the col %d has been used!",k,i+1);
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f=0;
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break;
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}
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}
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}
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for(i=0;i<9;i++)
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{
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int z[10]={0};
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for(j=0;j<9;j++)
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{
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z[board1[j/3+(i%3)*3][j%3+(i/3)*3]]+=1;
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}
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for(k=1;k<=9;k++)
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{
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if(z[k]>1&&f==1)
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{
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printf("False:Invalid initial Sudoku matrix!");
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printf("The number %d in the block %d has been used!",k,i+1);
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f=0;
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break;
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}
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}
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}
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for(i=0;i<9;i++)
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{
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int y[10]={0};
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for(j=0;j<9;j++)
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{
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y[board1[j][i]]+=1;
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}
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for(k=1;k<=9;k++)
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{
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if(y[k]>1&&f==1)
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{
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printf("False:Invalid initial Sudoku matrix!");
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printf("The number %d in the row %d has been used!",k,i+1);
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f=0;
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break;
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}
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}
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}
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if(f==1)printf("True:Valid initial Sudoku matrix!");
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} |