Difference between revisions of "C оператори"
From Ilianko
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| − | == Математически + - * / % == | + | == Математически <code>+ - * / % </code> == |
<code><pre> | <code><pre> | ||
int a = 1, b = 2; | int a = 1, b = 2; | ||
| Line 10: | Line 10: | ||
</pre></code> | </pre></code> | ||
| − | == Сравнителни <code>== | + | <code><pre> |
| + | #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></pre> | ||
| + | |||
| + | == Сравнителни <code>== != > < >= <= </code> == | ||
Логически | Логически | ||
| Line 24: | Line 49: | ||
[[http://en.wikipedia.org/wiki/Operators_in_C_and_C%2B%2B| Оператори в C и C++]] | [[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
