明解C語言 入門篇 第七章練習題

#include

intmain()

#include

#include
intmain()

#include

unsigned
rrotate
(unsigned x,
int n)
unsigned
lrotate
(unsigned x,
int n)
intmain()
printf
("輸入錯誤！請重新輸入！\n");
}if(a ==1)
printf
("%u左位移後的數為%u"
,x,lrotate
(x,n));
else
if(a ==2)
printf
("%u右位移後的數為%u"
,x,rrotate
(x,n));
return0;
}

#include

/* 將無符號整數x的第pos位設為1 */
unsigned
set(
unsigned x,
int pos)
/* 將無符號整數x的第pos位設為0 */
unsigned
reset
(unsigned x,
int pos)
/* 將無符號整數x的第pos位取反 */
unsigned
inverse
(unsigned x,
int pos)
intmain()
printf
("輸入錯誤，請重新輸入。\n");
puts
("--------------------");
}printf
("請輸入無符號整數x：");
scanf
("%u"
,&x)
;printf
("請輸入pos的數值：");
scanf
("%d"
,&pos);if
(a ==1)
x =set(x,pos)
;else
if(a ==2)
x =reset
(x,pos)
;else
if(a ==3)
x =inverse
(x, pos)
;printf
("x改變後的值為%u"
,x);
return0;
}

#include

#include
/* 設為1 */
unsigned
set_n
(unsigned x,
int pos,
int n)
return x |
(i << pos);}
/* 設為0 */
unsigned
reset_n
(unsigned x,
int pos,
int n)
return x &
~(i << pos);}
/* 取反 */
unsigned
inverse_n
(unsigned x,
int pos,
int n)
return x ^
(i << pos);}
/*主函式略
*/

#include

#include
intmain()

#include

intmain()

#include

intmain()

#include

#include
intmain()

@野豬力量這位大佬的**（或者說是直接複製貼上了下來）

#include

intmain
(void
)return0;
}

#include

intmain()
for( i =
0; i <=
100; i++
)printf
("7-11中的所有值的和為%f\n"
,sum1)
;printf
("7-12中的所有值的和為%f"
,sum2)
;/* 正確的結果應該是50.5，顯然7-12的誤差更小*/
return0;
}

明解C語言入門篇（第12章練習題）

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明解C語言入門篇練習題第四章

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