Submission #1265415

#	Time	Username	Problem	Language	Result	Execution time	Memory
1265415		thenpc	Triple Peaks (IOI25_triples)	C++20	Compilation error	0 ms	0 KiB

triples

#include <bits/stdc++.h>
using namespace std;
#define ll long long
ll n,a[200005];
ll count_triples(vector<int> v){
  ll n=v.size();
  for(int i=1;i<=n;i++){
    a[i]=v[i-1];
  }
  int ans=0;
  for(int i=1;i<=n;i++){
    for(int j=i+1;j<=n;j++){
      for(int k=j+1;k<=n;k++){
        ll b[4]={k-j,k-i,j-i};
        ll c[4]={a[i],a[j],a[k]};
        sort(b,b+3);
        sort(c,c+3);
        int sol=1;
        for(int l=0;l<3;l++){
          if(b[l]!=c[l]){
            sol=0;
          }
        }
        ans+=sol;
      }
    }
  }
  return ans;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccucspPt.o: in function `main':
grader.cpp:(.text.startup+0x18a): undefined reference to `construct_range(int, int)'
collect2: error: ld returned 1 exit status