8 循环嵌套1 打印A-J 5行

// 打印A-J 5行

// c语言按行打印，内循环打印行的每个字符，外循环打印第2 3 4 5 行

#include <stdio.h>
#define        ROWS        5
#define        CHARS        10

main() {

    int row;
    char ch;
    for (row = 0;row < ROWS;row++) {
        for (ch = 'A';ch < 'A' + CHARS;ch++)
            printf("%c ", ch);

        printf("\n");
    }

}
// 
#include <stdio.h>
#define        ROWS        5
#define        CHARS        10

main() {

    int row;
    char ch;
    for (row = 0;row < ROWS;row++) {
        for (ch = 'A';ch < 'A' + CHARS;ch++)
            printf("%c ", ch);

        printf("\n");
    }

}