摘要：
#include<iostream>#include<cstring>using namespace std;void out(char str[]){ for(int i = 0; str[i] != '\0'; ++i) cout << str[i]; cout << endl;}void f(char str[]){ out(str); memset(str, '0', sizeof(str)); out(str);}int main(){ char str[10] = "123456"; 阅读全文