Re: [問題] 有誰會Ｃ程式語言　（急）　謝謝！！

看板Programming作者yzugsr (Bird)時間17年前 (2008/04/14 01:27)推噓9(9推 0噓 7→)

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半夜睡不著所以佛心一下明天還要上班 Orz ※ 引述《Vxprincessx (^^)》之銘言： : 1. [清除記憶體]Write a function "void bzero(char*p, int n)" to set the n : contiguous bytes of memory starting from the pointer p to '\0'. #include <cstring> void bzero(char*p, int n) { memset(p, 0, n); } : 2. [設定記憶體]Write a function "void bset(char*p, int n, char x)" to set : n contiguous bytes of memory starting from the pointer p to the value of x. #include <cstring> void bset(char*p, int n, char x) { memset(p, x, n); } : 3. [反向字元搜尋]Write a function "int findlast(char *s, char c)" to : retur : the index position of the last occurrence of a specified char c within the : string s, and return -1 if not found, such as findlast("language",'a') : returns 5. #include <string> int findlast(char *s, char c) { std::string str(s); return str.rfind(c); } : 4. [八進位字串轉整數]Write a function "int otoi(char h[])" to convert an : octal string h to an integer, such as otoi("377") returns 255. #include <stdio.h> int otoi(char h[]) { int i; sscanf(h, "%o", &i); return i; } : 5. [十六進位字串轉整數]Write a function "int xtoi(char h[])" to convert a : hexadecimal string h to an integer, such as xtoi("3ff") returns 1023. #include <stdio.h> int xtoi(char h[]) { int i; sscanf(h, "%x", &i); return i; } : 6. [去兩邊空白]Write a function "void trim(char s[])" to remove the : rightm : and leftmost spaces of string s, such as trim(" ab c ") gets "ab c". #include <boost/algorithm/string.hpp void trim(char s[]) { boost::algorithm::trim(s); } : 希望有好心人幫幫我這可憐的學生　　 : 這科沒過就要延畢了 : 拜託各位大大幫幫忙 : 我會感激不盡　　謝謝不客氣你們老師應該會覺得你很厲害都只要一行就寫完了半夜寫程式要開燈不然對視力不好喔要是因為都用現成的函式被當掉別怪我喔重修一遍對你可能比較好喔科科 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 123.193.35.97 ※ 編輯: yzugsr 來自: 123.193.35.97 (04/14 01:27)

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