delete pics to save space

history_source/信息学奥赛一本通/1.5.1.17.cpp

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+#include<iostream>
+using namespace std;
+struct ditan
+{
+	int x,y,xa,ya;
+};
+bool f(ditan t,int x,int y)
+{
+	if(t.x<=x&&t.x+t.xa>=x&&t.y<=y&&t.y+t.ya>=y) return 1;
+	return 0;
+}
+int main()
+{
+	int n;
+	cin>>n;
+	ditan d[n];
+	for(int i=0;i<n;i++) cin>>d[i].x>>d[i].y>>d[i].xa>>d[i].ya;
+	int x,y;
+	cin>>x>>y;
+	int ans=-2;
+	for(int i=0;i<n;i++)
+		if(f(d[i],x,y)) ans=i;
+	cout<<ans+1<<endl;
+	return 0;
+}
+