PAT基础编程题目-7-6 混合类型数据格式化输入

题目详情

题目地址：https://pintia.cn/problem-sets/14/problems/786

解答

C语言版

#include<stdio.h>
int main() {
   
	float f1, f2;
	int i;
	char c;
	scanf("%f %d %c %f", &f1, &i, &c, &f2);  
	printf("%c %d %.2f %.2f\n", c, i, f1, f2);
	return 0;
}

C++版

#include<iostream>
#include<iomanip>
using namespace std;
int main() {
   
	float f1, f2;
	int i;
	char c;
	cin >> f1 >> i >> c >> f2;
	cout << c << " " << i << " " << fixed << setprecision(2) << f1 << " " << f2;
	return 0;
}

Java版

import java.text.DecimalFormat;
import java.util.Scanner;
public class Main{
   

	public static void main(String[] args) {
   
		float f1 = 0f, f2 = 0f;
		int i = 0;
		char c = 0;
		Scanner scanner = new Scanner(System.in);
		if(scanner.hasNext()) {
   
			f1 = scanner.nextFloat();
			i = scanner.nextInt();
			c = scanner.next().charAt(0);   // 调用String的charAt(0)方法获取第一个字符
			f2 = scanner.nextFloat();
		}
		scanner.close();
		System.out.print(c+" "+i+" ");
		DecimalFormat decimalFormat = new DecimalFormat("#.00");
		System.out.println(decimalFormat.format(f1)+" "+decimalFormat.format(f2));

	}

}

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