#include <stdio.h> int main() { int a[3][4] = {1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23}; int i, j; // 读取输入的行号i和列号j scanf("%d %d", &i, &j); // 输出第i行第j列的元素 printf("%d\n", a[i][j]); return 0; }