Submission #1250317

#	Time	Username	Problem	Language	Result	Execution time	Memory
1250317		guymmk	Triple Peaks (IOI25_triples)	C++20	Compilation error	0 ms	0 KiB

triples

 
#include <bits/stdc++.h>
#include "triples.h"
using namespace std;
vector<int> v
bool is_triple(vector<int>g){
    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());
    return a==b;
}
long long count_triples(vector<int> hsh) {
    v=hsh;
    int ans=0;
    int n=v.size();
    for(int i=0;i<n;i++){
        for(int j=i+1;j<n;j++){
            for(int k=j+1;k<n;k++){vector<int>h={i,j,k};
                ans+=(int)is_triple(h);
            }
        }
    }return ans;
}

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

Compilation message (stderr)

triples.cpp:6:1: error: expected initializer before 'bool'
    6 | bool is_triple(vector<int>g){
      | ^~~~
triples.cpp: In function 'long long int count_triples(std::vector<int>)':
triples.cpp:15:5: error: 'v' was not declared in this scope
   15 |     v=hsh;
      |     ^
triples.cpp:21:27: error: 'is_triple' was not declared in this scope
   21 |                 ans+=(int)is_triple(h);
      |                           ^~~~~~~~~