Submission #1249782

#	Time	Username	Problem	Language	Result	Execution time	Memory
1249782		kduckp	Triple Peaks (IOI25_triples)	C++20	Compilation error	0 ms	0 KiB

triples

#include <bits/stdc++.h>
using namespace std;

long long count_triples(vector<int> H) {
    long long res = 0;
    int n = H.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> height = {H[i], H[j], H[k]};
                vector<int> dist = {j - i, k - i, k - j};
                sort(height.begin(), height.end());
                sort(dist.begin(), dist.end());
                if (height == dist) res++;
            }
    return res;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccRmqe2k.o: in function `main':
grader.cpp:(.text.startup+0x18a): undefined reference to `construct_range(int, int)'
collect2: error: ld returned 1 exit status