yangyichenSB @ 2024-08-07 21:58:13

#include <bits/stdc++.h>
using namespace std;

int main()
{
  int n;
  cin>>n;
  while(n>1)
  {
    if(n%2==1)cout<<n<<"*3+1="<<n*3+1<<endl,n=n*3+1;
    else cout<<n<<"/2="<<n/2<<endl,n/=2;
  }
  cout<<"End";
  return 0;
}

by meifan666 @ 2024-08-07 22:01:40

@yangyichenSB 十年OI一场空，———————

by 枫原万叶 @ 2024-08-07 22:03:30

@yangyichenSB 不开long long见祖宗

by XLoffy @ 2024-08-07 22:06:00

@yangyichenSB 《N\le2,000,000》

by yangyichenSB @ 2024-08-07 22:07:05

感谢

@meifan666
@luogu_cyx

by yangyichenSB @ 2024-08-07 22:09:16

@XLoffy 感谢，明白

by wang0212 @ 2024-09-05 01:50:18

#include <stdio.h>

int main()
{
  int n,x;
  scanf("%d",&n);

  while(n!=1){
     if(n%2==1){
        x=n;
        n=x*3+1;
        printf("%d*3+1=%d\n",x,n);
      }else {
        x=n;
        n=x/2;
        printf("%d/2=%d\n",x,n);
      }
  }
  printf("End\n");

  return 0;

}

//求救一样100分，时间过不去！