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68 lines
2.3 KiB
68 lines
2.3 KiB
#include "myMatrix.h"
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int checkMatrix(int matrixArr[9][9], int isPrintInfo){
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int rowCnt[9][10]={0};
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int colCnt[9][10]={0};
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int bloCnt[9][10]={0};
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for(int i=0;i<9;i++){
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for(int j=0;j<9;j++){
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if(matrixArr[i][j]!=0){
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rowCnt[i][matrixArr[i][j]]++;
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if(rowCnt[i][matrixArr[i][j]]>1){
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if(isPrintInfo){
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printf("\nFalse:Invalid initial Sudoku matrix!\n");
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printf("\nThe number %d in the row %d has been used!\n",matrixArr[i][j],i+1);
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}
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return 0;
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}
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colCnt[j][matrixArr[i][j]]++;
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if(colCnt[j][matrixArr[i][j]]>1){
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if(isPrintInfo){
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printf("\nFalse:Invalid initial Sudoku matrix!\n");
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printf("\nThe number %d in the col %d has been used!\n",matrixArr[i][j],j+1);
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}
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return 0;
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}
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bloCnt[i/3*3+j/3][matrixArr[i][j]]++;
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if(bloCnt[i/3*3+j/3][matrixArr[i][j]]>1){
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if(isPrintInfo){
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printf("\nFalse:Invalid initial Sudoku matrix!\n");
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printf("\nThe number %d in the block %d has been used!\n",matrixArr[i][j],i/3*3+j/3+1);
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}
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return 0;
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}
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}
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}
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}
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if(isPrintInfo){
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printf("\nTrue:Valid initial Sudoku matrix!\n");
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}
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return 1;
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}
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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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//
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// printf("The original Sudoku matrix: \n");
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// matrixOutput(board1);
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// checkMatrix(board1,1);
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// return 0;
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// }
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