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main.cpp
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// Author : Qi Zhang
// Date : 2018-12-11
#include <bits/stdc++.h>
using namespace std;
vector<string> mysplit(string &s, char t){
vector<string> info;
string cur;
for(auto c: s){
if(c == t){
if(cur != "") info.push_back(cur);
cur = "";
}
else cur += c;
}
if(cur != "") info.push_back(cur);
return info;
}
void permulation(vector<int> nums, int p){
if(p == nums.size()){
bool isend = true;
for(int i = 0; i < nums.size()-1; i++)
if(nums[i] < nums[i+1]){
isend = false;
break;
}
for(int i = 0; i < nums.size(); i++){
cout << nums[i];
if(i < nums.size() -1) cout << ",";
else {
if(isend) cout << endl;
else cout << ";";
}
}
return;
}
for(int i = p; i < nums.size(); i++){
swap(nums[p], nums[i]);
permulation(nums, p+1);
}
}
int main()
{
string line;
while (getline(cin, line)) {
vector<string> tmp = mysplit(line, ',');
vector<int> nums;
for(auto c: tmp) nums.push_back(stoi(c));
sort(nums.begin(), nums.end());
permulation(nums, 0);
}
return 0;
}