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編程“a”3

# include & ltstdio.h & gtint main()

{

int a = 3,b = 4;

int tmpPuts("第壹種方法:");

tmp = a;

a = b;

b = tmp

printf("a=%d,b=%d\n ",a,b);

a = 3;b = 4;

Puts("第二種方法:");

a+= b;

b = a-b;

a-= b;

printf("a=%d,b=%d\n ",a,b);

a = 3;b = 4;

Puts("第三種方法:");

a ^= b ^= a ^= b;

printf("a=%d,b=%d\n ",a,b);

返回0;

}

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