Day1: 130 questions in three languages

Three languages 12 Tianbrush cattle guest 130 Basic programming problems ： The first day

Reminders before watching ： Because it takes a long time to explain each topic in detail , So only explain the problems in detail , I will write a simple question to you in the code comments , I won't release the running results of the topic , The code is sent after my verification , You can rest assured . It's not easy to make , Hope to get everyone's praise, pay attention to the collection , Let's focus on learning ！

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subject 1：BC1 True knowledge comes from practice

Title address ：BC1 True knowledge comes from practice

1.1C Language solution

1.2C++ Language solution

1.3Java Language solution

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subject 2：BC6 A small plane

Title address ：BC6 A small plane

2.1C Language solution

2.2C++ solution

2.3Java solution

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subject 3：BC3 Tolerance is a great

Title address ：BC3 Tolerance is a great

3.1C Language solution

3.2C++ solution

3.3Java solution

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subject 4：BC7 Shorten the binary

Title address ：BC7 Shorten the binary

4.1C Language solution

Add ： This method can also , because 1234 It's constant

#include <stdio.h>
int main()
{
    
	printf("0%o 0X%X", 1234, 1234);
	return 0;
}

4.2C++ Language solution

4.3Java Language solution

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subject 5：BC19 Reverse output 4 digit

Title address ：BC19 Reverse output 4 digit

5.1C Language solution

5.2C++ Language solution

5.3Java Language solution

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subject 6：BC26 toggle case

Title address ：BC26 toggle case

6.1C Language solution

6.2C++ solution

6.3Java solution