題目:
https://onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=36
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| #include <iostream>
#include <algorithm>
using namespace std;
int main(){
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int i, j;
int count, ans;
while(cin >> i >> j){
cout << i << ' ' << j << ' ';
count = ans = 0;
if(i > j) swap(i, j);
for(int a = i; a<=j; a++){
int num = a;
count = 0;
while(num > 1){
if(num % 2) num = num*3 + 1;
else num /= 2;
++count;
}
++count;
ans = max(count, ans);
}
cout << ans << '\n';
}
}
|
