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Update README.md
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README.md Update README.md 3 weeks ago

README.md

matrix

#include #include <stdlib.h> #include <time.h> int main{ int board[9][9]={0}; srand(time(NULL)); void generate(int board[9][9]); void format(int board[9][9]); generate(board); format(board); } void random(int arr[9]){ for(int i=0;i<9;i++){ arr[i]=rand()%9+1; Re: for(int j=0;j<i;j++){ while(arr[i]==arr[j]){ arr[i]=rand()%9+1; goto Re; } } } } void format(int board[9][9]){ for(int i=0;i<9;i++){ for(int j=0;j<9;j++){ printf("%d ",board[i][j]); if((j+1)%3==0&&j!=8){ printf("| "); }
} if((i+1)%3==0&&i!=8){ printf("\n---------------------\n"); } else{printf("\n");} } } void generate(int board[9][9]){ int rowplace[9]={0},rownum[9]={0}; for(int h=0;h<9;h+=3){ random(rownum);
for(int i=h,k=-1;i<h+3;i++){
random(rowplace); for(int j=0;j<9;j++){ if(rowplace[j]<4){ k++; board[i][j]=rownum[k]; } else board[i][j]=0; } } } }