Submission #996546

#	Time	Username	Problem	Language	Result	Execution time	Memory
996546		hasan2006	Gondola (IOI14_gondola)	C++17	15 / 100	9 ms	4544 KiB

gondola

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

using namespace std;

#define TL ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define rall(s) s.rbegin(),s.rend()
#define all(s) s.begin(),s.end()
#define pb push_back
#define se second
#define fi first
#define ll long long
#define ld long double
#define YES cout<<"YES\n"
#define Yes cout<<"Yes\n"
#define yes cout<<"yes\n"
#define NO cout<<"NO\n"
#define No cout<<"No\n"
#define no cout<<"no\n"


const int N = 5e5 + 9 , mod = 1e9 + 7;
ll a[N] , b[N] , d[N] , c[N] , dp[N] ;

int valid(int n , int inputSeq[]){
    int x = -1 , y , k;
    for(int i = 0; i < n; i++)
        if(inputSeq[i] <= n)
            x = k = i , y = inputSeq[i];
    if(x == -1)
        return 1;
    while((x + 1) % n != k){
        x = (x + 1) % n;
        y++;
        y = (y - 1) % n + 1;
        if(inputSeq[x] <= n && inputSeq[x] != y)
            return 0;
    }
    return 1;
}


int replacement(int n, int gondolaSeq[], int replacementSeq[]){
    int x = 0 , y = 1 , k;
    for(int i = 0; i < n; i++)
        if(gondolaSeq[i] <= n)
            x = k = i , y = gondolaSeq[i];
    int mx = 0 ,s = 0 , f;
    gondolaSeq[x] = y;
    if(gondolaSeq[x] > mx)
        mx = gondolaSeq[x],f = y;
    while((x + 1) % n != k){
        x = (x + 1) % n;
        y++;
        y = (y - 1) % n + 1;
        c[gondolaSeq[x]] = y;
        if(gondolaSeq[x] > mx)
            mx = gondolaSeq[x],f = y;
    }
    x = n + 1;
    while(x <= mx){
        if(x == mx){
            replacementSeq[s++] = f;
            break;
        }
        if(c[x]){
            replacementSeq[s++] = c[x];
        }else {
            replacementSeq[s++] = f;
            f = x;
        }
        x++;
    }
  return s;
}

int countReplacement(int n, int inputSeq[]){

  return -3;
}
/*

int main(){
    int b[10] , a[] = {2, 3, 4, 9, 6, 7, 1 };
    cout<<replacement(7 , a , b);
}*/
// Author : حسن

Compilation message (stderr)

gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:52:23: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized]
   52 |     while((x + 1) % n != k){
      |           ~~~~~~~~~~~~^~~~
gondola.cpp:69:33: warning: 'f' may be used uninitialized in this function [-Wmaybe-uninitialized]
   69 |             replacementSeq[s++] = f;
      |             ~~~~~~~~~~~~~~~~~~~~^~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 0 / 10
• Subtask 4: 5 / 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