Submission #1361476

#	Time	Username	Problem	Language	Result	Execution time	Memory
1361476		jalol250	Triple Peaks (IOI25_triples)	C++20	Compilation error	0 ms	0 KiB

triples

long long count_triples(vector<int> H){
    int n = H.size();
    long long ans = 0;

    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> a = {H[i],H[j],H[k]};
                vector<int> b = {j-i, k-i, k-j};
                sort(a.begin(),a.end());
                sort(b.begin(),b.end());
                if(a==b) ans++;
            }
        }
    }
    return ans;
}

Compilation message (stderr)

triples.cpp:1:25: error: 'vector' was not declared in this scope
    1 | long long count_triples(vector<int> H){
      |                         ^~~~~~
triples.cpp:1:32: error: expected primary-expression before 'int'
    1 | long long count_triples(vector<int> H){
      |                                ^~~