# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
118826 | ly20 | Gondola (IOI14_gondola) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include<bits/stdc++.h>
using namespace std;
const int INF=1123456789;
map<int,int> vld;
#include "gondola.h"
int valid(int n,int seq[])
{
int mn=INF,at=INF,at2=INF;
int st=0;
bool vl=1;
for(int i=0;i<n;i++)
{
if(vld[seq[i]]>0)vl=0;
vld[seq[i]]++;
if(st==0)
{
if(seq[i]>n)continue;
if(seq[i]<at && at==INF)
{
at=seq[i];mn=seq[i];
}
else if(seq[i]<at)
{
at2=seq[i];st=1;
if(at2>min)vl=0;
}
else at=seq[i];
}
else
{