31 lines
593 B
C++
31 lines
593 B
C++
// Permutations
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#include<bits/stdc++.h>
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using namespace std;
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int main() {
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int n; cin >> n;
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if (n == 2 || n == 3) {
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cout << "NO SOLUTION" << endl;
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return 0;
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}
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if (n & 1) {
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for (int i = n; i >= 1; i -= 2) {
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cout << i << " ";
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}
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for (int i = n-1; i > 1; i -= 2) {
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cout << i << " ";
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}
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} else {
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for (int i = n - 1; i >= 1; i -= 2) {
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cout << i << " ";
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}
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for (int i = n; i > 1; i -= 2) {
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cout << i << " ";
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}
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}
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cout << endl;
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return 0;
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}
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