Files
python/LuoGu/RuMen/P1426.cpp
HuangHai 1f397eca87 'commit'
2025-08-30 18:35:01 +08:00

14 lines
254 B
C++

#include<bits/stdc++.h>
using namespace std;
int main() {
double v = 7, s, x, l = 0;
cin >> s >> x;
while (l < s - x) {
l += v;
v *= 0.98;
}
if (v * 0.98 <= s + x - l)cout << 'y';
else cout << 'n';
}