//打印一个字符串的所有排列。void printSequence(char* pChara){ int i = 0; static int MAX_LEN = strlen(pChara); if (pChara[0] == '\0') { for (int i = 0; i < MAX_LEN; i ++) { printf("%c", pChara[i + 1]); } printf("\n", ""); }
char* tempChar = pChara; while (*tempChar != '\0' ) { char* pMyString = new char[MAX_LEN + 1]; memcpy(pMyString, pChara, MAX_LEN + 1); memcpy(pMyString + i, pMyString + i + 1, MAX_LEN - i); pMyString[MAX_LEN] = *tempChar; printSequence(pMyString); tempChar ++; i ++; delete[] pMyString; }}
