#include <iostream> #include <string> #include <vector> using namespace std; int main() { string a; vector<char>re; while (getline(cin, a)) { int court = 0; for (int i = a.size()-1; i >= 0; i--)//将数据删除‘,’存入vector { if (a[i] != ',') { re.push_back(a[i]); court++; if (court == 3) { re.push_back(','); court = 0; } } } for (int i = re.size() - 1; i >= 0; i--) { cout << re[i]; if (i == 0)cout << endl; } re.clear(); } } |
Double click to view unformatted code.