这个用厘米化英尺英寸怎么弄

#include<stdio.h>
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int main()
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{
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    int n,m,foot,inch;
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    scanf("%d",&n);
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    m=n*1.0/0.3048*12/13;
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    foot=m/12;
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    inch=m%12;
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    printf("%d %d",foot,inch);
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    return 0;
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}

foot和inch定义为double型吧