Submission #1026822

#	Time	Username	Problem	Language	Result	Execution time	Memory
1026822		MarwenElarbi	Gondola (IOI14_gondola)	C++17	0 / 100	1 ms	348 KiB

gondola

#include <bits/stdc++.h>
#include "gondola.h"
using namespace std;
#define pb push_back
#define se second
#define fi first
const int nax=5e5+5;
const int MOD=1e9+7;
vector<pair<int,int>> tab;
int valid(int n, int inputSeq[])
{
    set<int> st;
    for (int i = 0; i < n; ++i)
    {
        st.insert(i+1);
    }
    bool test=true;
    bool nabba=false;
    for (int i = 0; i < n; ++i)
    {
        if(inputSeq[i]<=n){
            st.erase(inputSeq[i]);
        }
    }
    for (int i = 0; i < n; ++i)
    {
        if(inputSeq[i]<=n){
            int cnt=inputSeq[i]-1;
            for (int j = i-1; j >= 0 && inputSeq[j]>n ; --j)
            {
                if(cnt==0) cnt=n;
                if(!st.count(cnt)){
                    st.erase(cnt);
                    test=false;
                }
                inputSeq[j]=cnt;
                cnt--;
            }
        }
    }
    for (int i = 0; i < n-1; ++i)
    {
        if(inputSeq[i]>inputSeq[i+1]&&(inputSeq[i]!=n||inputSeq[i+1]!=0)){
            test=false;
        }
    }
    return test;
}

//----------------------

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  return -2;
}

//----------------------

int countReplacement(int n, int inputSeq[])
{
  return -3;
}

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:18:10: warning: unused variable 'nabba' [-Wunused-variable]
   18 |     bool nabba=false;
      |          ^~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 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