Submission #1261871

#	Time	Username	Problem	Language	Result	Execution time	Memory
1261871		Canuc80k	Triple Peaks (IOI25_triples)	C++20	6 / 100	752 ms	1984 KiB

triples

#include "bits/stdc++.h"
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;

map<ll, ll> pp[11];
long long count_triples(std::vector<int> H) {
    ll res = 0;
    for (int i = 0; i < H.size(); i ++)
        for (int j = i + 1; j < H.size() && j <= i + 10; j ++)
            for (int k = j + 1; k < H.size() && k <= j + 10; k ++) {
                vector<ll> a = {H[i], H[j], H[k]};
                vector<ll> b = {abs(i - j), abs(j - k), abs(k - i)};
                sort(a.begin(), a.end());
                sort(b.begin(), b.end());
                bool ok = 1;
                for (int p = 0; p < a.size(); p ++)
                    if (a[p] != b[p]) ok = 0;
                res += ok;
            }
    return res;
}

std::vector<int> construct_range(int M, int K) {
    // vector<int> res; res.push_back(1);
    // for (int i = 1; i < M; i ++) res.push_back(i);
    // return res;
}

Compilation message (stderr)

triples.cpp: In function 'std::vector<int> construct_range(int, int)':
triples.cpp:29:1: warning: no return statement in function returning non-void [-Wreturn-type]
   29 | }
      | ^

• Subtask 0: 0 / 0
• Subtask 1: 0 / 8
• Subtask 2: 6 / 6
• Subtask 3: 0 / 10
• Subtask 4: 0 / 11
• Subtask 5: 0 / 16
• Subtask 6: 0 / 19
• Subtask 7: 0 / 5
• Subtask 8: 0 / 5
• Subtask 9: 0 / 5
• Subtask 10: 0 / 5
• Subtask 11: 0 / 5
• Subtask 12: 0 / 5