[  1-1  ]
What is called the character string enclosed with ""

[  1-2  ]
Which sign is used by mathematics in C language instead of the sign of ×?

[  1-3  ]
Which sign is used by mathematics in C language instead of the sign of ÷?

[  1-4  ]
Is the method that is called very much though the real number is expressed in C language used?

[  2-1  ]
How are you displayed when the following program is executed?

 
#include <stdio.h> 

int main(void)  
{
	printf("%d\n",20 / 7);  
	printf("%f\n",20.0 / 7.0);  
	return 0;
}

[  3-1  ]
Calculate 40÷13, and make the program that displays the expression, the quotient, and the remainder.

[  4-1  ]
In C language, when you do the dividing calculation by the integer
Though the result is rounded down when it cannot be divided
Explain it concisely why.

[  1-1  ]
String literal

[  1-2  ]
*
- It is read that it asterisks.

[  1-3  ]
/

[  1-4  ]
Floating point

[  2-1  ]

2
2.857143

- The dividing calculation of the integer notes that it is not a half-adjust but a round-down.
- The decimal only has to be suitable for about the second place of the answer of the real number.

[  3-1  ]

 
#include <stdio.h> 

int main(void)  
{
	printf("%d / %d = %d ... %d\n",40,13,40 / 13,40 % 13);  
	return 0;
}

- Even if the sign of the remainder is different as soon as dividing, it is a correct answer.
- Though it is a correct answer when the expression is displayed as a character string
  It becomes accustomed and I want it because it will multiuse the conversion specifier in the future.
- When it doesn't calculate, and the answer is made a character string, it is a wrong answer.

[  4-1  ]
When you reversely calculate the number quotient × divided when rounding it off
Contradiction of largeness is caused from ....former.. drinking.. number that is [wari] as a result.
It makes it to the round-down because it becomes the origin of the miscalculation.