Submission #1249978

#	Time	Username	Problem	Language	Result	Execution time	Memory
1249978		liamislazy	Triple Peaks (IOI25_triples)	C++20	Compilation error	0 ms	0 KiB

triples

#include "triples.h"
#include <bits/stdc++.h>
#define el '\n'
typedef long long llo;
#define fn(i,a,b) for (int i = a; i <= b; i++)
#define rn(i,a,b) for (int i = a; i >= b; i--)
using namespace std;

long long count_triples(std::vector<int> H) {
    llo ans = 0;
    fn(i,0,n-1) fn(j,i+1,n-1) fn(k,j+1,n-1){
        vector<int> heights = {h[i], h[j], h[k]};
        vector<int> dists = {j - i, k - j, k - i};
        sort(heights.begin(), heights.end());
        sort(dists.begin(), dists.end());
        if(heights == dists) ans++;
    }
    cout << ans;
}

Compilation message (stderr)

triples.cpp: In function 'long long int count_triples(std::vector<int>)':
triples.cpp:11:12: error: 'n' was not declared in this scope
   11 |     fn(i,0,n-1) fn(j,i+1,n-1) fn(k,j+1,n-1){
      |            ^
triples.cpp:5:40: note: in definition of macro 'fn'
    5 | #define fn(i,a,b) for (int i = a; i <= b; i++)
      |                                        ^
triples.cpp:12:32: error: 'h' was not declared in this scope
   12 |         vector<int> heights = {h[i], h[j], h[k]};
      |                                ^
triples.cpp:12:48: error: could not convert '{<expression error>, <expression error>, <expression error>}' from '<brace-enclosed initializer list>' to 'std::vector<int>'
   12 |         vector<int> heights = {h[i], h[j], h[k]};
      |                                                ^
      |                                                |
      |                                                <brace-enclosed initializer list>
triples.cpp:19:1: warning: no return statement in function returning non-void [-Wreturn-type]
   19 | }
      | ^