chaoer

摘要： 问题：打印出杨辉三角形的前n行(nint main() { int n; scanf("%d",&n); int arr[25][25]; int i,j; //计算每一行的值 arr[1][1] = 1; for( i=2; i<=20; i++){ arr[i][1] = arr[i][i] ... 阅读全文

摘要： 问题：Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character '.'.You may assume that there will b... 阅读全文