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/* package whatever; // don't place package name! */
#include <iostream>
#include <math.h>
#include <stdlib.h>
#include <sstream>
#include <bits/stdc++.h>
#include <string>
#include <string.h>
#include <vector>
#include <sstream>
#include <stdio.h>
#include <time.h>
#include <algorithm>
#include <iterator>
using namespace std;
 
void dfs(int layer,int time,vector<int> arrangement,bool* visited,vector<int> candidate,vector<vector<int>> path){
    if (layer == time){
        /*for (int i = 0; i < time; i++){
            cout << arrangement[i] << "\t";
        }
        cout << endl;
        */
        path.push_back(arrangement);
        //for(int i=0; i<path.size(); i++) cout << path.at(i) << " ";
        return;
    }
    for (int i = 0; i < time; i++){
        if (visited[i]){
            continue;
        }
        visited[i] = true;
        arrangement[layer] = candidate[i];
        dfs(layer + 1,time,arrangement,visited,candidate,path);
        visited[i] = false;
    }
}
 
//窮舉
void generate_path(vector<int> candidate,int time){
 
    vector<vector<int>>path;
    bool visited[time] = {false};
    vector<int> arrangement;
    dfs(0,time,arrangement,visited,candidate,path);
    printvector(path);
    //path.push_back(dfs(0,time,arrangement,visited,candidate));
    //for(int i=0; i<path.size(); i++) cout << path.at(i) << " ";
 
}
 
int main()
{
	   vector<int> candidate;
    candidate.push_back(10105);
    candidate.push_back(10732);
    candidate.push_back(10865);
    //vector<vector<int>>path;
    //vector<vector<int>>v;
    generate_path(candidate,3);
}

Main.java:2: error: illegal character: '#'
#include <iostream>
^
Main.java:2: error: class, interface, or enum expected
#include <iostream>
         ^
Main.java:3: error: illegal character: '#'
#include <math.h>
^
Main.java:4: error: illegal character: '#'
#include <stdlib.h>
^
Main.java:5: error: illegal character: '#'
#include <sstream>
^
Main.java:6: error: illegal character: '#'
#include <bits/stdc++.h>
^
Main.java:7: error: illegal character: '#'
#include <string>
^
Main.java:8: error: illegal character: '#'
#include <string.h>
^
Main.java:9: error: illegal character: '#'
#include <vector>
^
Main.java:10: error: illegal character: '#'
#include <sstream>
^
Main.java:11: error: illegal character: '#'
#include <stdio.h>
^
Main.java:12: error: illegal character: '#'
#include <time.h>
^
Main.java:13: error: illegal character: '#'
#include <algorithm>
^
Main.java:14: error: illegal character: '#'
#include <iterator>
^
Main.java:17: error: class, interface, or enum expected
void dfs(int layer,int time,vector<int> arrangement,bool* visited,vector<int> candidate,vector<vector<int>> path){
^
Main.java:26: error: class, interface, or enum expected
        return;
        ^
Main.java:27: error: class, interface, or enum expected
    }
    ^
Main.java:28: error: class, interface, or enum expected
    for (int i = 0; i < time; i++){
                    ^
Main.java:28: error: class, interface, or enum expected
    for (int i = 0; i < time; i++){
                              ^
Main.java:31: error: class, interface, or enum expected
        }
        ^
Main.java:33: error: class, interface, or enum expected
        arrangement[layer] = candidate[i];
        ^
Main.java:34: error: class, interface, or enum expected
        dfs(layer + 1,time,arrangement,visited,candidate,path);
        ^
Main.java:35: error: class, interface, or enum expected
        visited[i] = false;
        ^
Main.java:36: error: class, interface, or enum expected
    }
    ^
Main.java:43: error: class, interface, or enum expected
    bool visited[time] = {false};
    ^
Main.java:44: error: class, interface, or enum expected
    vector<int> arrangement;
    ^
Main.java:45: error: class, interface, or enum expected
    dfs(0,time,arrangement,visited,candidate,path);
    ^
Main.java:46: error: class, interface, or enum expected
    printvector(path);
    ^
Main.java:50: error: class, interface, or enum expected
}
^
Main.java:55: error: class, interface, or enum expected
    candidate.push_back(10105);
    ^
Main.java:56: error: class, interface, or enum expected
    candidate.push_back(10732);
    ^
Main.java:57: error: class, interface, or enum expected
    candidate.push_back(10865);
    ^
Main.java:60: error: class, interface, or enum expected
    generate_path(candidate,3);
    ^
Main.java:61: error: class, interface, or enum expected
}
^
34 errors

Standard output is empty