我还有一个问题,我想在每个大写字母前加一个_,它会被转换为小写,而且第一个字母不能是大写!我不知道该怎么做... :{ 示例:
输入:loLollL,输出:lo_loll_l,我也希望它倒退:输入:lo_loll_l 输出:loLollL
代码在这里:
#include <iostream>
#include <algorithm>
using namespace std;
int main ()
{
const int max = 100;
string slovo;
int pocet_r;
cout << "Zadaj pocet uloh:" << endl;
cin >> pocet_r;
if(pocet_r >= 1 && pocet_r <=100)
{
// funkcia na zabezpecenie minimalneho poctu chars
for (int i = 0; i <pocet_r; i++)
{
cout << "Uloha " << i+1 << ":" << endl;
cin >> slovo;
if(slovo.size() > max)
{
cout << "slovo musi mat minimalne 1 a maximalne 100 znakov" << endl;
}
while( slovo.size() > max)
{
cin >> slovo;
}
for (int i=0; i <= slovo.size(); i++)
{
int s = slovo[i];
while (s > 'A' && s <= 'Z')
{
if(s<='Z' && s>='A'){
return s-('Z'-'_z');
}else{
cout << "chyba";
}
}
}
cout << slovo[i] << endl;
}
}else{
cout << "Minimalne 1 a maximalne 100 uloh" << endl;
}
system("pause");
}
编辑>
for (int i=0; i <= slovo.size(); i++)
{
while (slovo[i] >= 'A' && slovo[i] <= 'Z')
{
string s = transform(slovo[i]);
cout << s << endl;
s = untransform(s);
cout << s << endl;
}
}