C语言 while循环

while (condition test)
{
      //Statements to be executed repeatedly 
      // Increment (++) or Decrement (--) Operation
}

#include <stdio.h>
int main()
{
   int count=1;
   while (count <= 4)
   {
    printf("%d ", count);
    count++;
   }
   return 0;
}

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#include <stdio.h>
int main()
{
     int var=1;
     while (var <=2)
     {
        printf("%d ", var);
     }
}

#include <stdio.h>
int main()
{
     int var = 6;
     while (var >=5)
     {
        printf("%d", var);
        var++;
     }
   return 0;
}

#include <stdio.h>
int main()
{
    int var =5;
    while (var <=10)
    {
       printf("%d", var);
       var--;
    }
    return 0;
}

while(num1<=10 && num2<=10)

while(num1<=10||num2<=10)

while(num1!=num2 &&num1 <=num2)

while(num1!=10 ||num2>=num1)

#include <stdio.h>
int main()
{
   int i=1, j=1;
   while (i <= 4 || j <= 3)
   {
    printf("%d %d\n",i, j);
    i++;
    j++;
   }
   return 0;
}

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