[language] C C language foundation - order/branch code example
Today wrote several reference code for your reference
Bosses don't spray
Enter a four-digit, reverse output

 # include & lt; stdio.h> 
Int main () 
{
Int a, b, c, d, num. 
Printf (" please enter a four-digit: "); 
The scanf (" % d ", & amp; Num); 
Printf (" input four digits for: % d \ n ", num); 
A=num/1000; 
B=num % 1000/100; 
C=100/10 num % 1000%; 
D=10 num % 1000% 100%; 
Printf (" reverse output is: % d % d % d % d ", d, c, b, a); 
return 0; 
} 

Input rectangle width, calculate the perimeter and area of

 # include 
Int main () 
{
Float a, b, S, L; 
Printf (" please enter a long rectangular: "); 
The scanf (" % f ", & amp; A); 
Printf (" please enter the rectangular wide: "); 
The scanf (" % f ", & amp; b); 
S=a * b; 
L=2 * (a + b); 
Printf (" the area of the rectangle area=% 2 f \ n=% the perimeter of a rectangular circumference. 2 f \ n ", S, L); 
Printf (" the area of the rectangular area and the perimeter of rectangle is % 2 f, %, 2 f \ n ", S, L); 
return 0; 
} 

To determine whether a password correctly

 # include & lt; stdio.h> 
Int main () 
{
Long int passworld. 
Printf (" please enter the password: "); 
The scanf (" % d ", & amp; Passworld); 
If (passworld==123456) 
Printf (" password right!" ); 
The else 
Printf (" password error!" ); 
return 0; 
} 

Judge coordinate quadrant

 # include & lt; stdio.h> 
Int main () 
{
Float x, y; 
Printf (" please enter the abscissa: "); 
The scanf (" % f ", & amp; x); 
Printf (" please enter the ordinate: "); 
The scanf (" % f ", & amp; y); 
If (x> 0 & amp; & Y> 0) 
Printf (" this point in the first quadrant "); 
The else 
If (x> 0 & amp; & Y<0) 
Printf (" that point in the fourth quadrant "); 
The else 
If (x<0 & amp; & Y> 0) 
Printf (" that point in the second quadrant "); 
The else 
Printf (" that point in the third quadrant "); 

return 0; 
} 

Number three sorting, calculating average

 # include & lt; stdio.h> 
Int main () 
{
Double a, b, c, Max, min, p; 
Printf (" please input the first number "); 
Lf the scanf (" % ", & amp; A); 
Printf (" please enter the second number "); 
Lf the scanf (" % ", & amp; b); 
Printf (" please enter the number 3 "); 
Lf the scanf (" % ", & amp; C); 
if(a> B) 
{
Max=a; 
Min=b; 
} 
The else 
{
Max=b; 
Min=a; 
} 

If (max
If (min> C) min=c; 
P=(a + b + c)/3; 
Printf (" maximum value for: % lf \ n minimum value is: % lf \ n mean is: % lf ", Max, min, p); 
return 0; 
} 

CodePudding user response:

Encourage encouragement! Clap clap

CodePudding user response:

1.

 
C num %=100/10; 
D=num % 10; 

2. Nope
3.

 
If (x> 0 & amp; & Y> 0 {
} else if (y> 0 {
} else if (x> 0 {
} else {
} 

4.

 
Max=a; 
Min=a; 
If (maxThe else min=b; 
If (maxElse if (min> C) min=c;