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#include <stdio.h>
#include "bunsuu.h"
_bunsuu::_bunsuu(int bunshi, int bunbo) {
if (bunbo == 0) throw
"bunbo can't set 0";
if (bunshi == 0) bunbo = 1;
if (bunbo < 0) { bunbo = -bunbo; bunshi = -bunshi; }
int kouyaku = saidai_kouyaku_suu(bunshi, bunbo);
this->bunbo = bunbo / kouyaku;
this->bunshi = bunshi / kouyaku;
}
int _bunsuu::saidai_kouyaku_suu(int big, int small) {
while (small != 0) {
int temp = small;
small = big % small;
big = temp;
}
return big;
}
void _bunsuu::show() {
if (bunbo == 1) printf("%d", bunshi);
else printf("%d/%d", bunshi, bunbo);
}