qfedu-c-level/day10/d9.c

29 lines
605 B
C
Raw Normal View History

#include <stdio.h>
// 查找数组中的元素并替换为特定值
void findReplace(int rows, int cols, int (*p)[cols], int oval, int nval)
{
for (int i = 0; i < rows; i++)
{
for (int j = 0; j < cols; j++)
{
if (*(*(p + i) + j) == oval)
*(*(p + i) + j) = nval;
}
}
}
int main()
{
int a[3][3] = {1, 2, 3, 4, 1, 6, 1, 8, 9};
int(*q)[3] = a;
findReplace(3, 3, q, 1, 9);
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
printf("%d ", a[i][j]);
}
printf("\n");
}
}