UVA245
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// UVA 245
#include <cctype>
#include <iostream>
#include <iterator>
#include <list>
#include <string>
using namespace std;
int main() {
std::list<string> Dict;
std::string Word;
char ReadIn;
cin.tie(nullptr);
int Index = 0;
while (cin.get(ReadIn)) {
if (std::isdigit(ReadIn)) {
if (Index == 0 && ReadIn == '0') {
break;
}
Index = Index * 10 + ReadIn - '0';
} else {
if (std::isalpha(ReadIn)) {
Word.push_back(ReadIn);
continue;
}
if (Index != 0) {
const auto Match = std::next(Dict.begin(), Index - 1);
Dict.emplace_front(std::move(*Match));
Dict.erase(Match);
cout << Dict.front();
Index = 0;
} else if (!Word.empty()) {
Dict.push_front(Word);
cout << Word;
Word.clear();
}
cout << ReadIn;
}
}
return 0;
}
Cpp
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