Submission #853032

#	Time	Username	Problem	Language	Result	Execution time	Memory
853032		aykhn	Gondola (IOI14_gondola)	C++14	20 / 100	25 ms	5916 KiB

gondola

#include "gondola.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

#define pb push_back
#define ins insert
#define infll 0x3F3F3F3F3F3F3F3F
#define inf 0x3F3F3F3F
#define pii pair<int, int>
#define pll pair<ll, ll>
#define mpr make_pair
#define all(v) v.begin(), v.end()
#define fi first
#define se second

int ok(vector<int> &v)
{
    int n = v.size();
    set<int> s;
    for (int x : v) s.ins(x);
    if (s.size() != v.size()) return 0;
    vector<int> a(n, 0);
    int anc = -1;
    for (int i = 0; i < v.size(); i++)
    {
        if (v[i] <= n) 
        {
            anc = i;
            break;
        }
    }
    if (anc == -1) return 1;
    int shift = n + v[anc] - anc - 1;
    for (int i = 0; i < n; i++) a[(i + shift + 10*n) % n] = v[i];
    for (int i = 0; i < n; i++)
    {
        if (a[i] <= n && a[i] != i + 1) return 0;
    }
    return 1;
}

int valid(int n, int in[])
{
    vector<int> v;
    for (int i = 0; i < n; i++) v.pb(in[i]);
    return ok(v);
}

int replacement(int n, int in[], int ret[])
{
    return -1;
}

int countReplacement(int n, int in[])
{
    return -1;
}

Compilation message (stderr)

gondola.cpp: In function 'int ok(std::vector<int>&)':
gondola.cpp:26:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for (int i = 0; i < v.size(); i++)
      |                     ~~^~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 0 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10