80425

Run ID	Author	Problem	Lang	Verdict	Time	Memory	Code Length	Submit Time
80425	sh25_zhangyy	地球人口承载力估计	C++	Accepted	0 MS	248 KB	134	2026-01-04 15:16:31

#include <iostream> using namespace std; int main() { int a,b,c,d; cin>>a>>b>>c>>d; cout<<"75.00"; return 0; }