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1. λÔËËãµÄ»ù´¡ÖªÊ¶

λÔËËãÊǶԶþ½øÖÆλµÄ²Ù×÷ £¬Ö÷Òª°üÀ¨°´Î»Ó루&£©¡¢°´Î»»ò£¨|£©¡¢°´Î»Òì»ò£¨^£©¡¢°´Î»È¡·´£¨~£©µÈ²Ù×÷¡£ÔÚCÓïÑÔÖÐ £¬Ê¹ÓÃÕâЩÔËËã·û¿ÉÒÔ¾ÙÐÐλ¼¶±ðµÄ²Ù×÷¡£ÏêϸÀ´Ëµ£º

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°´Î»È¡·´£¨~£©£º¶Ô²Ù×÷ÊýµÄÿһλȡ·´¡£

2. ´úÂëʾÀý

ÏÂÃæÎÒÃǸø³öһЩÏêϸµÄ´úÂëʾÀý £¬Õ¹Ê¾Î»ÔËËãÔÚLinuxÇéÐÎÏÂCÓïÑÔÖеÄÓ¦Óãº

Á¬Ã¦Ñ§Ï°¡°CÓïÑÔÃâ·ÑѧϰÌõ¼Ç£¨ÉîÈ룩¡±£»

2.1 λÔËËãʵÏÖ½»Á÷Á½Êý

#include <stdio.h>

void swap(int *a, int *b) {
    *a = *a ^ *b;
    *b = *a ^ *b;
    *a = *a ^ *b;
}

int main() {
    int x = 10, y = 20;
    printf("Before swap: x=%d, y=%d
", x, y);
    swap(&x, &y);
    printf("After swap: x=%d, y=%d
", x, y);
    return 0;
}

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2.2 ¼ì²éÆæżÐÔ

#include <stdio.h>

int isOdd(int num) {
    return num & 1;
}

int main() {
    int num = 5;
    if (isOdd(num)) {
        printf("%d is an odd number
", num);
    } else {
        printf("%d is an even number
", num);
    }
    return 0;
}

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2.3 ÉèÖÃijλΪ1

#include <stdio.h>

void setBit(int *num, int pos) {
    *num |= (1 << pos);
}

int main() {
    int num = 5;
    int pos = 2;
    printf("Before setting bit %d: %d
", pos, num);
    setBit(&num, pos);
    printf("After setting bit %d: %d
", pos, num);
    return 0;
}

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3. ×ܽá

ͨ¹ýÒÔÉÏ´úÂëʾÀý £¬ÎÒÃÇչʾÁËÔÚLinux»·

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ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí £¬°æȨÕùÒéÓë±¾Õ¾ÎÞ¹Ø £¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í×ðÁú¿­Ê±ÂËÓÍ»úÍø¹Ù·½Ì¬¶È £¬Çë¶ÁÕß½ö×ö²Î¿¼¡£±¾ÎĽӴýתÔØ £¬×ªÔØÇë˵Ã÷À´ÓÉ¡£ÈôÄúÒÔΪ±¾ÎÄÇÖÕ¼ÁËÄúµÄ°æȨÐÅÏ¢ £¬»òÄú·¢Ã÷¸ÃÄÚÈÝÓÐÈκÎÉæ¼°ÓÐÎ¥¹«µÂ¡¢Ã°·¸Ö´·¨µÈÎ¥·¨ÐÅÏ¢ £¬ÇëÄúÁ¬Ã¦ÁªÏµ×ðÁú¿­Ê±ÊµÊ±ÐÞÕý»òɾ³ý¡£

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