题解

#include <bits/stdc++.h>
using namespace std;
const int maxn=1;
const int inf=0x3f3f3f3f;
int main(){
    double n,m,x,y,k,ans,ha,hb,ma,mb,ca,cb;
	cin>>n>>m>>x>>y>>k;
	ha=x/n+1/n*y/m;
	ma=y/m;
	y+=k;
	hb=x/n+1/n*y/m;
	mb=y/m;
	if(ma<ha&&mb>hb||(ma>ha&&mb>1&&mb-1>hb))ans=0;
	else{
		ca=abs(ha-ma);
		if(ca>0.5)ca=1-ca;
		cb=abs(hb-mb);
		if(cb>0.5)cb=1-cb; 
		ans=ca<cb?ca:cb;
	}
	cout<<floor((ans+1e-4)*360);
	return 0;
}