>>443
#include <stdio.h>

int main(void)
{
char bufA[32], bufB[32];
int i=0;

printf("文字列Aの入力：");
fgets(bufA, sizeof(bufA), stdin);
printf("文字列Bの入力：");
fgets(bufB, sizeof(bufB), stdin);
while(bufA[i] != '\n' && bufB[i] != '\n')
{
putchar(bufA[i]);
putchar(bufB[i]);
i++;
}
if(bufA[i] != '\n') puts(bufA+i);
if(bufB[i] != '\n') puts(bufB+i);
return 0;
}