C语言二维数组中的查找的实例

#include<stdio.h>#include<stdlib.h>typedef unsigned int boolean;#define MAX 4#define TRUE 1#define FALSE -1void showAry(int ary[MAX][MAX]);boolean find(int ary[MAX][MAX], int rows, int cols, int number);void showAry(int ary[MAX][MAX]) {  int i = 0, j = 0;  for(; i < MAX; i++) {    j = 0;    for(; j < MAX; j++) {      printf("%d ", ary[i][j]);    }  }}boolean find(int ary[MAX][MAX], int rows, int cols, int number) {  int i = 0,     j = cols - 1,    n = 0;  boolean result = FALSE;  if(ary == NULL || rows <= 0 || cols <= 0) {    return result;  }  while(i < rows && j >= 0) {    n = ary[i][j];    if(number == n) {      printf("/nary[%d, %d] = %d/n", i, j, n);      result = TRUE;      break;     }else if(number < n) {      j -= 1;     }else if(number > n) {      i += 1;    }  }  return result;}//1 2 8 9 2 4 9 12 4 7 10 13 6 8 11 15int main() {  int ary[MAX][MAX];  int i = 0, j = 0;  for(; i < MAX; i++) {    j = 0;    for(; j < MAX; j++) {      scanf("%d", &ary[i][j]);    }  }  showAry(ary);  find(ary, MAX, MAX, 7);}