pku3650解题报告超级水题将几个字符替换掉" " (space) 替换成%20"!" (exclamation point) 替换成%21"$" (dollar sign) 替换成%24"%" (percent sign) 替换成%25"(" (left parenthesis) 替换成%28")" (right parenthesis) 替换成%29"*" (asterisk) 替换成%2a注意输入带空格的字符串时,可以用gets()函数获取一行.cin和scanf不行.#include <iostream>using namespace std;int main(){    char str[80];    memset(str,0,strlen(str));        while(gets(str))//获取一行输入    {            if(str[0]=='#')//最后一行只有一个"#"            break;//输入#时结束.        else            for(int i=0;i<strlen(str);i++)            {//一些替换                if(str[i]==' ')                    cout<<"%20";                else if(str[i]=='!')                    cout<<"%21";                else if(str[i]=='$')                    cout<<"%24";                else if(str[i]=='%')                    cout<<"%25";                else if(str[i]=='(')                    cout<<"%28";                else if(str[i]==')')                    cout<<"%29";                else if(str[i]=='*')                    cout<<"%2a";                else                    cout<<str[i];                            }            cout<<endl;        memset(str,0,strlen(str));    }//    system("PAUSE");    //return EXIT_SUCCESS;}

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