CodeUp 71~80

Q71

import java.util.*;

public class Main {
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		Scanner scanner = new Scanner(System.in);
		String str = scanner.nextLine();
		
		String[] str1 = str.split(" ");
		
		int i=0;
		while(i<str1.length) {
			
			if("0".equals(str1[i]))
				break; 
			else 
				System.out.println(str1[i]);
			i++;
		}
		//break : for, while 등 반복문을 탈출할 때 사용
		//return : 메소드를 탈출할 때 사용
		//차이점 : break 사용하고 있는 반복문을 탈출, return 사용하고 있는 메소드를 탈출
	
	}
}

Q72

import java.util.*;

public class Main {
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		//goto문이 없어서 반복문사용
		Scanner scanner = new Scanner(System.in);
		int num = scanner.nextInt();
		int n[]=new int[num];
		
		for(int i=0;i<num; i++) {
			n[i] = scanner.nextInt();
		}
			
		for(int i=0;i<num; i++) {
			System.out.println(n[i]);
		}
	}
}
}

Q73

import java.util.*;

public class Main {
	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		Scanner scanner = new Scanner(System.in);
		String str = scanner.nextLine();
		
		String[] str1 = str.split(" ");
		
		int i=0;
		while(i<str1.length) {
			if(0!=Integer.parseInt(str1[i]))
				System.out.println(str1[i]);
			else 
				break;
			i++;
		}

	}
}

Q74

import java.util.*;

public class Main {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner s = new Scanner(System.in);
		int n = s.nextInt();
		
		while (n!=0) {
			System.out.println(n);
			n--;
		}
	}
}

Q75

import java.util.*;

public class Main {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner s = new Scanner(System.in);
		int n = s.nextInt();
		
		while (n!=0) {
			n--;
			System.out.println(n);
		}
	}
}

Q76

import java.util.*;

public class Main {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner s = new Scanner(System.in);
		String str = s.nextLine();
		char ch1 = str.charAt(0);
		char ch2 = 'a';
		do {
			System.out.printf("%c ",ch2);
			ch2++;
		}while(ch1>=ch2);
	}
}

Q77

import java.util.*;

public class Main {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner s = new Scanner(System.in);
		int num = s.nextInt();
		
		for(int i =0; i<=num; i++) {
			System.out.println(i);
		}
	}
}

Q78

import java.util.*;

public class Main {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner s = new Scanner(System.in);
		int num = s.nextInt();
		int sum = 0;
		
		for(int i =0; i<=num; i++) {
			if(i%2==0) {
				sum += i;
			}
		}
		System.out.println(sum);
	}
}

Q79

import java.util.*;

public class Main {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner s = new Scanner(System.in);
		String str1 = s.nextLine();
		String[] str2 = str1.split(" ");
		
		for(String str3 : str2) {
			System.out.println(str3);
			if("q".equals(str3)) break;
		}
	}
}

Q80

import java.util.*;

public class Main {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner s = new Scanner(System.in);
		int num = s.nextInt();
		int sum=0;
		int count=0; 
		
		while(sum<=num) {
			if(sum==num) break;
			count++;
			sum+=count;
		}
		System.out.println(count);
		
	}
}