View Code of Problem 121

#include<stdio.h>
#include <string.h>
#include <math.h>
char *strrpc(char *str,char *oldstr,char *newstr){   
 char bstr[strlen(str)];//转换缓冲区    
 memset(bstr,0,sizeof(bstr));     
 for(int i = 0;i < strlen(str);i++){ 
        if(!strncmp(str+i,oldstr,strlen(oldstr))){//查找目标字符串     
		       strcat(bstr,newstr);          
			     i += strlen(oldstr) - 1;    
				     }
					 else{    
					     	strncat(bstr,str + i,1);//保存一字节进缓冲区	
							     }   
								  }    
								   strcpy(str,bstr); 
								      return str;
									  } 
 
int main(){
	char s[1000];
	gets(s);
	printf("%s\n",strrpc(s,"occupation","OH-OH-OH-QQ-PEI-PEI-SHION"));
	printf("\n");
	return 0;
}

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