/* Kadai051 									 */
/* 苗字と名前を別々に入力し、名前 苗字の順で表示 */
/* さらに名前を逆順で1文字ずつ表示する           */
 
#include <stdio.h>
#define MAXSTR 20
 
int main(void) {
    char firstname[MAXSTR];  /* 名前 */
    char lastname[MAXSTR];   /* 苗字 */
    int i;
 
    printf("苗字をローマ字で入力してください\n");
    scanf("%s", lastname);
 
    printf("名前をローマ字で入力してください\n");
    scanf("%s", firstname);
 
    /* 名前 苗字 の順で表示 */
    printf("%s %s\n", firstname, lastname);
 
    /* 名前を逆順で表示 */
    for(i = 0; firstname[i] != '\0'; i++);  
 
    printf("名前を逆順で表示すると：");
    for(i = i - 1; i >= 0; i--) {
        printf("%c", firstname[i]);
    }
    printf("\n");
 
    return 0;
}
 

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

SGF0c3VuZSBNaWt1

Hatsune Miku