- 218 名前：デフォルトの名無しさん mailto:sage [2009/02/03(火) 12:48:06 ]
- >>211
どう？
#include <stdio.h>
typedef struct bunsu{int bunshi,bunbo;} BUNSU;
int main(){
BUNSU bunsu1,bunsu2;
printf("1つめの分数の分子・分母の入力->\n");scanf("%d%d",&(bunsu1.bunshi),&(bunsu1.bunbo));
printf("2つめの分数の分子・分母の入力->\n");scanf("%d%d",&(bunsu2.bunshi),&(bunsu2.bunbo));
int bunbo=bunsu1.bunbo*bunsu2.bunbo;int bunshi=bunsu1.bunshi*bunsu2.bunbo+bunsu2.bunshi*bunsu1.bunbo;
int GCD = gcd(bunshi,bunbo);
printf("和:%d / %d\n",bunshi/GCD,bunbo/GCD);
//
bunshi=bunshi=bunsu1.bunshi*bunsu2.bunbo-bunsu2.bunshi*bunsu1.bunbo;
GCD = gcd(bunshi,bunbo);
printf("差:%d / %d\n",bunshi/GCD,bunbo/GCD);
//
bunshi=bunshi=bunsu1.bunshi*bunsu2.bunshi;
GCD = gcd(bunshi,bunbo);
printf("積:%d / %d\n",bunshi/GCD,bunbo/GCD);
//
bunshi=bunshi=bunsu1.bunshi*bunsu2.bunbo;
bunbo=bunsu1.bunbo*bunsu2.bunshi;
GCD = gcd(bunshi,bunbo);
printf("商:%d / %d\n",bunshi/GCD,bunbo/GCD);
return 0;
}
int gcd(int m,int n){
if(m<n){int temp=m;m=n; n=temp;}
int amari;
while((amari=m%n)!=0){m=n;n=amari;}
return n;
}
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