算法训练——字符删除

//字符删除
#include<stdio.h>
#include<String.h>
int main(){
	char str[20],str2[20];
	char ch;
	int length,i,j = 0;
	scanf("%s\n",&str);
	scanf("%c",&ch);
	length = strlen(str);
	for(i=0;i<length;i++){
		if(str[i] != ch){
			str2[j]  = str[i];
			printf("%c",str2[j]); 
			j++;
		}
		else
			continue;
	}
	
	return 0; 
}