C оператори: Difference between revisions
From Ilianko
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== Математически <code>+ - * / % </code> == | |||
<code><pre> | |||
int a = 1, b = 2; | |||
a + b = 3; | |||
a - b = -1; | |||
a * b = 2; | |||
a / b = 0; | |||
a % b = 1 | |||
++a <=> a = a + 1 ; --a <=> a = a - 1 | |||
</pre></code> | |||
<code><pre> | |||
#include <stdio> | |||
[[http://en.wikipedia.org/wiki/Operators_in_C_and_C%2B%2B]] | int main() | ||
{ | |||
int a = 1, b = 2; | |||
a++; | |||
printf(" a = %i \n" , a); | |||
printf(" a++ = %i \n" , a++); | |||
printf(" ++a = %i \n" , ++a); | |||
a = 1; b = 2; | |||
a = b++; // <=> a = b; b = b + 1; | |||
printf("a = b++; b = %i \n" , b); | |||
printf("a = b++; a = %i \n" , a); | |||
a = ++b; // <=> b = b + 1; a = a; | |||
printf("a = ++b; b = %i \n" , b); | |||
printf("a = ++b; a = %i \n" , a); | |||
return 0; | |||
} | |||
</code></pre> | |||
== Сравнителни <code>== != > < >= <= </code> == | |||
Логически | |||
Побитови | |||
За присвояване | |||
[[http://en.wikipedia.org/wiki/Operators_in_C_and_C%2B%2B| Оператори в C и C++]] | |||
[[Category:C Справочник]] | |||
Latest revision as of 09:34, 23 March 2011
Математически + - * / %
int a = 1, b = 2;
a + b = 3;
a - b = -1;
a * b = 2;
a / b = 0;
a % b = 1
++a <=> a = a + 1 ; --a <=> a = a - 1
#include <stdio>
int main()
{
int a = 1, b = 2;
a++;
printf(" a = %i \n" , a);
printf(" a++ = %i \n" , a++);
printf(" ++a = %i \n" , ++a);
a = 1; b = 2;
a = b++; // <=> a = b; b = b + 1;
printf("a = b++; b = %i \n" , b);
printf("a = b++; a = %i \n" , a);
a = ++b; // <=> b = b + 1; a = a;
printf("a = ++b; b = %i \n" , b);
printf("a = ++b; a = %i \n" , a);
return 0;
}
</code>Сравнителни == != > < >= <=
Логически
Побитови
За присвояване