3753 字符串拷贝

    无事可做，再做个简单的习题

Source Code

Problem: 3753 User: lengshuMemory: 156K Time: 0MSLanguage: C++ Result: Accepted

• Source Code

  #include <stdio.h>#include <string>using namespace std;#define NULL_DEF 1#define END_DEF 2#define NORMAL_DEF 3int SafeStrcpy2KeyWord(char* pDestBuffer,//拷贝的目的地地址   char* pSourceString,//拷贝的源地址   int nDestBufferSize,//拷贝的目的地缓冲区长度   char* szKeyWord)//指定关键字符串{if (strcmp(szKeyWord,"NULL") == 0)return NULL_DEF;if (strcmp(szKeyWord,"END") == 0)return END_DEF;for (int i = 0; i <= nDestBufferSize - strlen(szKeyWord); i++){if (strncmp(pSourceString + i,szKeyWord,strlen(szKeyWord)) == 0){if (i == 0)return NULL_DEF;strncpy(pDestBuffer,pSourceString,i);pDestBuffer[i] = '/0';return NORMAL_DEF;}}strcpy(pDestBuffer,pSourceString);return NORMAL_DEF;}int main(int argc, char* argv[]){   char pOriStr[260],pDest[260],pKey[20];while(scanf("%s",pOriStr) != EOF){while(1){scanf("%s",pKey);int nT = SafeStrcpy2KeyWord(pDest,pOriStr,strlen(pOriStr),pKey);if (nT == NULL_DEF)printf("%d %s/n",0,"NULL");else if (nT ==  END_DEF)break;elseprintf("%d %s/n",strlen(pDest),pDest);}}return 0;}