hdoj 1330

#include<iostream>#include<stdio.h>using namespace std;double result[100000];int main(){//freopen("in.txt","r",stdin);int i=1;result[1]=0.5;for(i=2;i<100000;i++){result[i]=result[i-1]+(double)1/(2*i);}int m;printf("# Cards  Overhang\n");while(scanf("%d",&m)!=EOF){if(0<m&&m<10){printf("    %d     %0.3lf\n",m,result[m]);}if(10<=m&&m<=99){printf("   %d     %0.3lf\n",m,result[m]);}if(100<=m&&m<=999){printf("  %d     %0.3lf\n",m,result[m]);}if(1000<=m&&m<=9999){printf(" %d     %0.3lf\n",m,result[m]);}if(10000<=m&&m<=99999){printf("%d     %0.3lf\n",m,result[m]);}}return 0;}