Create 1063.计算谱半径.cpp

PAT/PAT-B/CPP/1063.计算谱半径.cpp

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+#include <iostream>
+#include <cmath>
+using namespace std;
+int main(){
+	int n, a, b;
+	float max = 0.0;
+	cin >> n;
+	for(int i = 0; i < n; i++){
+		cin >> a >> b;
+		float temp = sqrt(a * a + b * b);
+		if(temp > max) max = temp;
+	}
+	printf("%.2f", max);
+	return 0;
+}