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OI-codes/Luogu/P8032/P8032.cpp
2022-01-10 18:35:25 +08:00

38 lines
823 B
C++

#include <iostream>
#include <string>
using std::cin;
using std::cout;
using std::endl;
std::string s, w, p;
int main() {
cin >> s;
for (int i = 0; i < s.size(); i++) {
char c = s[i];
if (c == '{') {
cout << p << c << endl;
p += " ";
} else if (c == ',') {
if (s[i - 1] == '}') continue;
cout << p << w << c << endl;
w.clear();
} else if (c == '}') {
if (!w.empty()) {
cout << p << w << endl;
w.clear();
}
p.erase(0, 2);
cout << p << c;
if (i + 1 != s.size() && s[i + 1] != '}') {
cout << ',';
}
cout << endl;
} else {
w.push_back(c);
}
}
return 0;
}