hdu1099

来源：互联网发布：李天下知乎编辑：程序博客网时间：2024/05/17 05:50

//面对这样一个恶心的 题目 我实在是无语了，输出格式实在是恶心

#include <stdio.h>#include <string.h>#include <math.h>__int64 gcd(__int64 b,__int64 a){__int64 r,temp;r=b;if(a<b){temp=b;b=a;a=temp;}    while(a%b!=0){r=a%b;        a=b;b=r;}return r;} int main(){__int64 sum,i,j,k,sum1,m,n;while(scanf("%I64d",&n)!=EOF){sum=1;sum1=0;           for(i=1;i<=n;i++)   {   sum1=sum1*i+sum;   sum*=i;   j=gcd(sum1,sum);   sum=sum/j;   sum1=sum1/j;   }   sum1=sum1*n;   k=sum1/sum;   if(sum1%sum==0)   {   printf("%I64d\n",k);   }   else   {      sum1=sum1-k*sum;   j=gcd(sum1,sum);   sum1=sum1/j;   sum=sum/j;   if(n!=6)   m=ceil(log10(sum));   else   m=2;    n=ceil(log10(k));   for(i=1;i<=n;i++)   printf(" ");   printf(" %I64d\n",sum1);   printf("%I64d ",k);   for(i=1;i<=m;i++)   printf("-");   printf("\n");   for(i=1;i<=n;i++)   printf(" ");   printf(" %I64d\n",sum);   }}return 0;}

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