Submission #430819

#	Time	Username	Problem	Language	Result	Execution time	Memory
430819		Rouge_Hugo	Gondola (IOI14_gondola)	C++14	20 / 100	12 ms	1868 KiB

gondola

#include<bits/stdc++.h>
#define ll long long
#define fi first
#define se second
#define pb push_back
#include "gondola.h"
using namespace std;
const int N=100090;
int vis[250090],r[N],yes[N],a[N],don[N];int mn=1e9,mx=0;
int valid(int n, int A[])
{
    int w=0;
    for(int i=0;i<n;i++)a[i]=A[i];
    for(int i=0;i<n;i++)yes[a[i]]=i;
    for(int i=0;i<n;i++)
    {
        if(vis[a[i]])return 0;
        vis[a[i]]=1;
        mn=min(mn,a[i]);mx=max(mx,a[i]);
        if(mn==a[i])
            w=i;
    }
    if(mn>=n)return 1;int x=mn;
    for(int i=w+1;i<n;i++)
    {x++;
        if(a[i]>n)
        {
            a[i]=x;continue;
        }
        if(a[i]!=x)return 0;
    }
    x=a[n-1];
    for(int i=0;i<w;i++)
    {x++;
        if(a[i]>n)
        {
            a[i]=x;continue;
        }
        if(a[i]!=x)return 0;
    }
    return 1;
}
int replacement(int n, int a[], int r[])
{int w=0;
    for(int i=0;i<n;i++)yes[a[i]]=i;
    for(int i=0;i<n;i++)
    {
        if(vis[a[i]])return 0;
        vis[a[i]]=1;
        mn=min(mn,a[i]);mx=max(mx,a[i]);
        if(mn==a[i])
            w=i;
    }
    int x=mn;
    for(int i=w+1;i<n;i++)
    {x++;
    x%=n;
    if(x==0)x=1;
        if(a[i]>n)
        {
            a[i]=x;continue;
        }
    }
    for(int i=0;i<w;i++)
    {x++;x%=n;
    if(x==0)x=1;
        if(a[i]>n)
        {
            a[i]=x;continue;
        }
    }
    int u=0;
    //if(mn>n)while(1)u++;
    //if(mn>n)
        for(int i=0;i<n;i++)a[i]=i+1;
    int last=0;
    for(int i=n+1;i<=mx;i++)
    {
        if(yes[i]==-1)
        {
            while(don[last])last++;
            r[u]=a[last];
            u++;
            a[last]=i;continue;
        }
        r[u]=a[yes[i]];
        don[yes[i]]=1;
        u++;
    }
    return u;
}

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

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:23:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   23 |     if(mn>=n)return 1;int x=mn;
      |     ^~
gondola.cpp:23:23: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   23 |     if(mn>=n)return 1;int x=mn;
      |                       ^~~

• 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