Difference between revisions of "C оператори"
From Ilianko
Line 9: | Line 9: | ||
++a <=> a = a + 1 ; --a <=> a = a - 1 | ++a <=> a = a + 1 ; --a <=> a = a - 1 | ||
</pre></code> | </pre></code> | ||
+ | |||
+ | <source lang="c"> | ||
+ | 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; | ||
+ | } | ||
+ | |||
+ | </source> | ||
== Сравнителни <code>== != > < >= <= </code> == | == Сравнителни <code>== != > < >= <= </code> == |
Revision as of 09:32, 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
<source lang="c"> 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; }
</source>
Сравнителни == != > < >= <=
Логически
Побитови
За присвояване