Pagini recente » Cod sursa (job #3223529) | Cod sursa (job #16991) | Cod sursa (job #422340) | Cod sursa (job #267196) | Cod sursa (job #1780392)
#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#include <iterator>
using namespace std;
bool validate(vector<int> a) {
vector<bool> b1(a.size()*2), b2(a.size()*2);
for (int i = 0; i < a.size(); i++) {
int d1 = a.size()+a[i]-(i+1);
int d2 = a.size()+(a.size()-a[i]+1)-(i+1);
if (b1[d1] || b2[d2]) {
return false;
}
b1[d1] = b2[d2] = true;
}
return true;
}
int main() {
ifstream cin("damesah.in");
ofstream cout("damesah.out");
int n, m = 0;
cin>>n;
vector<int> a, v;
for (int i = 0; i < n; i++) {
a.push_back(i+1);
}
do {
if (validate(a)) {
m++;
if (v.size()==0) {
v = a;
}
}
} while (next_permutation(a.begin(), a.end()));
for (int i = 0; i < v.size(); i++) {
cout<<v[i]<<" ";
}
cout<<"\n"<<m;
}