Submission #1250931

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250931		guymmk	Triple Peaks (IOI25_triples)	C++20	Compilation error	0 ms	0 KiB

triples

// Source: https://usaco.guide/general/io

#include <bits/stdc++.h>
#include "triples.h"
using namespace std;
vector<int> v;
int n;
set<vector<int>>s;
void is_triple(vector<int>g){
  sort(g.begin(),g.end());
  if(g[0]==g[1]||g[0]==g[2]||g[1]==g[2]||g[0]<0||g[2]>=n)return;
  vector<int>a,b;
  a={g[1]-g[0],g[2]-g[0],g[2]-g[1]};
  b={v[g[0]],v[g[1]],v[g[2]]};
  sort(a.begin(),a.end());
  sort(b.begin(),b.end());
  if(a==b)s.insert(g);
}
long long count_triples(vector<int> hsh) {
    v=hsh;
    s.clear();
    int ans=0;
    n=v.size();
    for(int i=0;i<n;i++){
      int l=i-v[i],r=i+v[i];
      is_triple({i,l,r});
      is_triple({i,r,r+v[i]});
      is_triple({i,l,l-v[j]});
      
             
            
        
    }return s.size();
}

vector<int> construct_range(int M, int K) {
  return {1, 1, 1};
}

Compilation message (stderr)

triples.cpp: In function 'long long int count_triples(std::vector<int>)':
triples.cpp:28:26: error: 'j' was not declared in this scope
   28 |       is_triple({i,l,l-v[j]});
      |                          ^
triples.cpp:28:16: error: could not convert '{i, l, <expression error>}' from '<brace-enclosed initializer list>' to 'std::vector<int>'
   28 |       is_triple({i,l,l-v[j]});
      |       ~~~~~~~~~^~~~~~~~~~~~~~
      |                |
      |                <brace-enclosed initializer list>