Editorial for 第2回卬高杯 B問題 - Hiyoko Checker
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Submitting an official solution before solving the problem yourself is a bannable offence.
Submitting an official solution before solving the problem yourself is a bannable offence.
Author:
Python
Python3
a,i=int(input()),0
while 3**i<a:i+=1
print(i)
C++
C++20
#include <bits/stdc++.h>
using namespace std;
int main(){
int N;
cin >> N;
int i = 0, k = 1;
while (k < N){
i++;
k *= 3;
}
cout << i << endl;
}
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