제출 #420952

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
420952	2021-06-08 15:19:21	Peti	곤돌라 (IOI14_gondola)	C++14	100 / 100	78 ms	5892 KiB

gondola

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#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;
int valid(int n, int t[])
{
    rotate(t, min_element(t, t+n), t+n);
    map<int, int> num;
    int last = -n-1;
    bool jo = true;
    for(int i = 0; i < n; i++){
        last++;
        num[t[i]]++;
        if(t[i] <= n){
            if(last < 0)
                last = t[i];
            else if(t[i] != last)
                jo = false;
        }
    }
    for(auto p : num)
        if(p.second > 1)
            return 0;
    return (int)jo;
}
//----------------------
 
 
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