Submission #615761

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
615761	2022-07-31 12:23:16	nohaxjustsoflo	Gondola (IOI14_gondola)	C++17	100 / 100	19 ms	3156 KiB

gondola

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#include <bits/stdc++.h>
#include <iostream>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<ll,null_type,less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> order_set;
mt19937 mt_rand(chrono::high_resolution_clock::now().time_since_epoch().count());
//uniform_int_distribution<int> gen; ///(min, max)
//int random() {return gen(mt_rand);}
const int mxN=1e6+5;
const int mod=1e9+9;
const int mxlogN=40;
const int mxK=26;
const int inf=2e9;
const int K=600;
#include "gondola.h"
int valid(int n, int a[])
{
    for(int i=0; i<n; i++)
    {
        if(a[i]<=n)
        {
            for(int j=i+1; j-i<n; j++) if(a[j%n]<=n&&a[j%n]!=(a[i]+j-i-1)%n+1) return 0;
            break;
        }
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 10 / 10
• Subtask 6: 20 / 20
• Subtask 7: 5 / 5
• Subtask 8: 15 / 15
• Subtask 9: 15 / 15
• Subtask 10: 10 / 10