#include <stdio.h> #include<string.h> #include <stdbool.h> #define MAXSIZE 105 int main() { char str[MAXSIZE]; scanf("%s", str); int length=strlen(str); bool flag=false; int i; for(i=0; i<length; ++i) if((str[i]=='H')||(str[…

A. HQ9+ time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output HQ9+ is a joke programming language which has only four one-character instructions: "H" prints "Hello, World!", "…

package com.duan.scanner; import java.util.Scanner; public class Demo04 { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); //从键盘接收数据 int i = 0; float f= 0.0f; System.out.println("请输入整数:"); //如果...那么 if(scanner.h…