#include <stdio.h>
int main()
{
int a,h,m,s;
h = a/3600;
m = (a%3600) / 60;
s = (a%3600) % 60;
printf("時間%dをh:m:sの形式へと変換すると%d:%d:%dとなる",a
,h
,m
,s
); return 0;
}
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