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B2006 地球人口承载力估计

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Baoshuo Ren 2021-07-04 20:59:20 +08:00 committed by Baoshuo Ren
parent c7117e9d2b
commit 52782bee54
Signed by: baoshuo
GPG Key ID: 70F90A673FB1AB68
1 changed files with 10 additions and 0 deletions
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Luogu/problem/B2006/B2006.cpp Normal file
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#include <bits/stdc++.h>
using namespace std;
int main() {
int x, a, y, b;
cin >> x >> a >> y >> b;
cout << fixed << setprecision(2) << 1.00 * (b * y - a * x) / (b - a) << endl;
return 0;
}