#include<stdio.h> #include<string.h> int main(){ int a,count=0,d; while(scanf("%d",&a)!=EOF){ char b[a-1]; for(int i=0;i<a;i++) { b[i]=i+1; } d=a; while(d>1){ for(int i=0;i<a;i++) { if(b[i]>0)count++; if(count==3) { b[i]=0; count=0; d--; } } } for(int i=0;i<a;i++) { if(b[i]!=0){printf("%d",b[i]);count=0;} } } return 0; } |
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