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python/TangDou/LanQiaoBei/LanQiao14STEMA202210/TangDou_3.cpp
HuangHai 1f397eca87 'commit'
2025-08-30 18:35:01 +08:00

19 lines
304 B
C++

#include <bits/stdc++.h>
using namespace std;
int n;
int main() {
cin >> n;
double cnt = 0.2;
int sum = 0;
for (int i = 1;; i++) {
if (cnt > n) {
printf("%d", sum);
break;
}
cnt *= 2;
sum++;
}
return 0;
}