Submission #578932

#	Time	Username	Problem	Language	Result	Execution time	Memory
578932		tranxuanbach	Gondola (IOI14_gondola)	C++17	20 / 100	24 ms	1460 KiB

gondola

#ifndef FEXT

#include "gondola.h"

#endif

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;

#define endl '\n'
#define fi first
#define se second
#define For(i, l, r) for (auto i = (l); i < (r); i++)
#define ForE(i, l, r) for (auto i = (l); i <= (r); i++)
#define FordE(i, l, r) for (auto i = (l); i >= (r); i--)
#define Fora(v, a) for (auto v: (a))
#define bend(a) (a).begin(), (a).end()
#define isz(a) ((signed)(a).size())

using ll = long long;
using ld = long double;
using pii = pair <int, int>;
using vi = vector <int>;
using vpii = vector <pii>;
using vvi = vector <vi>;

int valid(int n, int a[]){
    {
        vi b(a, a + n);
        sort(bend(b)); b.erase(unique(bend(b)), b.end());
        if (isz(b) != n){
            return 0;
        }
    }
    int smallpos = min_element(a, a + n) - a;
    int i = smallpos, x = a[i];
    do{
        if (a[i] <= n and a[i] != x){
            return 0;
        }
        i = (i + 1) % n; x++;
    } while (i != smallpos);
    return 1;
}

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
    return 0;
}

int countReplacement(int n, int inputSeq[]){
    return 0;
}

#ifdef FEXT

int gondolaSequence[100001];
int replacementSequence[250001];

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    freopen("KEK.inp", "r", stdin);
    freopen("KEK.out", "w", stdout);
    int i, n, tag;
    int nr; 
    assert(scanf("%d", &tag)==1);
    assert(scanf("%d", &n)==1);
    for(i=0;i< n;i++)
    assert( scanf("%d", &gondolaSequence[i]) ==1);

    switch (tag){
    case 1: case 2: case 3:
    printf("%d\n", valid(n, gondolaSequence));
    break;

    case 4: case 5: case 6:
    nr = replacement(n, gondolaSequence, replacementSequence);
    printf("%d ", nr);
    if (nr > 0)
    {
    for (i=0; i<nr-1; i++)
    printf("%d ", replacementSequence[i]);
    printf("%d\n", replacementSequence[nr-1]);
    }  
    else printf("\n");
    break;

    case 7: case 8: case 9: case 10:
    printf("%d\n",  countReplacement(n, gondolaSequence));  
    break;
    }

    return 0;
}

#endif

/*
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INPUT:                                            |
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OUTPUT:                                           |
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*/

• 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