Submission #1307811

#	Time	Username	Problem	Language	Result	Execution time	Memory
1307811		exoworldgd	Triple Peaks (IOI25_triples)	C++20	Compilation error	0 ms	0 KiB

triples

#include <bits/stdc++.h>
#define exoworldgd cin.tie(0)->sync_with_stdio(0),cout.tie(0)
using namespace std;
using ll=long long;
ll count_triples(vector<int>h){
    int n=h.size();
    set<set<int>>s;
    for(int i=0;i<n;i++)for(int j=i+1;j<n;j++)for(int id:{i,j})for(int dist:{h[i],h[j]})for(int k:{id-dist,id+dist}){
        if(k>=0&&k<n&&k^i&&k^j){
            vector<int>a={h[i],h[j],h[k]},b={abs(i-j),abs(i-k),abs(j-k)};
            sort(a.begin(),a.end()),sort(b.begin(),b.end());
            if(a==b)s.insert({i,j,k});
		}
    }
    return triples.size();
}
vector<int>construct_range(int m,int k){
    vector<int>res;
    int pat[]={1,2,1,3,2,1,4,3,2,1},sz=10;
    for(int i=0;i<m;i++)res.push_back(pat[i%sz]);
    return res;
}

Compilation message (stderr)

triples.cpp: In function 'll count_triples(std::vector<int>)':
triples.cpp:15:12: error: 'triples' was not declared in this scope
   15 |     return triples.size();
      |            ^~~~~~~