#include //任务三:判断 数组是否满足定义 int main() { int board0[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}}; int board1[9][9] = {{8, 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}}; void Judge(int a[9][9]); Judge(board0); Judge(board1); } void Judge(int a[9][9]) { //Step1:输出待判断的矩阵 printf("The original Sudoku matrix:\n") ; for(int i=0;i<9;i++) { printf("|");//每一行的以|开始 for(int j=0;j<9;j++) { printf("%d",a[i][j]); if((j+1)%3==0) { printf("|");//区分3*3 if(j==8) { printf("\n"); } } } if((i+1)%3==0&&i!=8) { printf("|----分割---|\n"); }//每三行就换一行 } //Step2:进行是否满足定义的判断 int judge=0;//judge作为是否满足定义的标准,为0表示满足 //Step2-1:是否每一行不出现多次同一数字 for(int i=0;i<9;i++) { int times[9]={0}; for(int j=0;j<9;j++)//统计第i行每个数字的出现次数 { if(a[i][j]>=1)times[a[i][j]-1]++; } for(int j=0;j<9;j++) { if(times[j]>1) { judge=1; printf("False:Invalid initial Sudoku matrix!\n"); printf("The number %d in the row %d has been used!\n",j+1,i+1); break; } } if(judge){break;} } //Step2-2:判断是否每一列不出现多次同一数字 if(judge==0) { for(int j=0;j<9;j++) { int times[9]={0}; for(int i=0;i<9;i++)//统计第j列每个数字的出现次数 { if(a[i][j]>=1)times[a[i][j]-1]++; } for(int i=0;i<9;i++) { if(times[i]>1) { judge=1; printf("False:Invalid initial Sudoku matrix!\n"); printf("The number %d in the col %d has been used!\n",i+1,j+1); break; } } if(judge){break;} } } //Step2-3:每一块是否出现多次同一数字 if(judge==0) { for(int i=0;i<3;i++) { for(int j=0;j<3;j++) { int times[9]={0}; for(int m=3*i;m<=3*i+2;m++) { for(int n=3*j;n<=3*j+2;n++) { if(a[m][n]>=1)times[a[m][n]-1]++; } } for(int i=0;i<9;i++) { if(times[i]>1) { judge=1; printf("False:Invalid initial Sudoku matrix!\n"); printf("The number %d in the block %d has been used!\n",i+1,i+j+1); break; } } if(judge){break;} } if(judge){break;} } } if(judge==0){printf("True:Valid initial Sudoku matrix!\n") ;} return; }