08/05/31 18:37:39
>>967
（・３・） エェー 結構面倒だったYO!
#include<stdio.h>
#define BUF_SIZE 2048
int main(void){
int bunsi, bunbo, c, i, is_inf=0;
int mod[BUF_SIZE];
char result[BUF_SIZE];
scanf("%d %d", &bunsi, &bunbo);
printf("%d.", bunsi/bunbo);
bunsi%=bunbo;
for(c=0;(mod[c]=bunsi%bunbo) && c<BUF_SIZE && !is_inf;c++){
result[c]=bunsi*10/bunbo+'0';
for(i=0;i<c;i++){
if(mod[c]==mod[i]){
is_inf=1;
break;
}
}
bunsi=(bunsi*10)%bunbo;
}
if(is_inf) printf("%.*s[%.*s]\n", i, result, c-1-i, result+i);
else printf("%.*s\n", c, result);
return 0;
}