pat_1

2-0

2-1

#include <stdio.h>

int main()
{
    int inch,foot,cm;
    scanf("%d",&cm);
    foot=cm/30.48;
    inch=cm*12/30.48-foot*12;
    printf("%d %d\n",foot,inch);
    return 0;
}

2-2

#include <stdio.h>
int main()
{
    int h,min,time;
    int tmp;
    scanf("%d%d",&tmp,&time);
    h=tmp/100;
    min=tmp%100;
    min+=time%60;
    if(min>=60)
    {
        h+=min/60;
        min=min%60;
    }
    if(min<0)
    {
        h-=1;
        min+=60;
    }
    h+=time/60;
    printf("%d%02d\n",h,min);

    return 0;
}

2-3

#include <stdio.h>
int main()
{
    int tmp;
    int a,b,c;
    scanf("%d",&tmp);
    c=tmp%10;
    b=tmp/10%10;
    a=tmp/100;
    if(c!=0)
    {
        printf("%d%d%d",c,b,a);return 0;
    }
    if(b!=0)
    {
        printf("%d%d",b,a);return 0;
    }
    printf("%d\n",a);
    return 0;
}

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