1017. A除以B (20) PAT乙级

    xiaoxiao2021-03-26  47

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    #include<stdio.h> #include<string.h> struct bign{ int d[1100]; int len; bign(){ memset(d,0,sizeof(d)); len=0; } }; bign change(char str[]){ bign a; a.len=strlen(str); for(int i=0;i<a.len;i++){ a.d[i]=str[a.len-1-i]-'0'; } return a; } bign divide(bign a,int b,int &r){ bign c; c.len=a.len; for(int i=a.len-1;i>=0;i--){ r=r*10+a.d[i]; if(r<b) c.d[i]=0; else{ c.d[i]=r/b; r=r%b; } } while(c.len-1>=1&&c.d[c.len-1]==0){ c.len--; } return c; } void print(bign a){ for(int i=a.len-1;i>=0;i--){ printf("%d",a.d[i]); } } int main(){ char str1[1100]; int b,r; scanf("%s%d",str1,&b); bign a=change(str1); print(divide(a,b,r)); printf(" %d",r); }
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