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37 lines
675 B
37 lines
675 B
#include<bits/stdc++.h>//万能头文件
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using namespace std;
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int main() {
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int n;
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cin >> n;
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int arr[1000] = {0};
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for (int i = 0; i < n; i++) {
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cin >> arr[i];
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}
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set<int> s;
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for (int i = 1; i < n; i++) {
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int x = abs(arr[i] - arr[i - 1]);
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s.insert(x);
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}
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//输出
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// set<int>::iterator it;
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// for(it=s.begin (); it!=s.end (); it++) {
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// printf("%d\n",*it);
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// }
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for (int i = 1; i <= n - 1; i++) {
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if (s.count(i) == 0) {
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cout << "Not jolly" << endl;
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break;
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}
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if (i == n - 1) {
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cout << "Jolly" << endl;
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}
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}
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return 0;
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} |