Submission #1017615

#	Time	Username	Problem	Language	Result	Execution time	Memory
1017615		serkanrashid	Gondola (IOI14_gondola)	C++14	20 / 100	14 ms	5740 KiB

gondola

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

using namespace std;

const int maxn = 1e5+5;

int n,a[maxn];

bool check_valid()
{
    unordered_set<int>used;
    int st = -1;

    for(int i = 0; i < n; i++)
    {
        if(used.find(a[i])!=used.end()) return false;
        used.insert(a[i]);
        if(1<=a[i] && a[i] <= n) st = i;
    }
    if(st==-1) return true;

    bool f = true;
    int last = a[st];
    int i = (st+1)%n;

    while(i!=st)
    {
        last++;
        if(last>n) last = 1;
        if(1<=a[i] && a[i]<=n)
        {
            if(last!=a[i]) return false;
        }
        i = (i+1)%n;
    }
    return true;
}

int valid(int N, int inputSeq[])
{
    n = N;
    for(int i = 0; i < n; i++) a[i] = inputSeq[i];
    return check_valid();
}

int replacement(int N, int gondolaSeq[], int replacementSeq[])
{
    n = N;
}

int countReplacement(int N, int inputSeq[])
{
    n = N;
    for(int i = 0; i < n; i++) a[i] = inputSeq[i];
    if(!check_valid()) return 0;
    ///OSHTE


}

Compilation message (stderr)

gondola.cpp: In function 'bool check_valid()':
gondola.cpp:23:10: warning: unused variable 'f' [-Wunused-variable]
   23 |     bool f = true;
      |          ^
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:50:1: warning: no return statement in function returning non-void [-Wreturn-type]
   50 | }
      | ^
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:60:1: warning: control reaches end of non-void function [-Wreturn-type]
   60 | }
      | ^

• 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