제출 #1250914

#제출 시각아이디문제언어결과실행 시간메모리
1250914somefolk3개의 봉우리 (IOI25_triples)C++20
8 / 100
2094 ms1864 KiB
#include <iostream>
#include <cmath>
#include <algorithm>
#include <string>
#include <vector>
#include <map>
#include <unordered_map>
#include <queue>
#include <set>
#include <unordered_set>
#include <complex>
#include <list>
#include <cassert>
#include <chrono>
#include <random>
#include <stack>
#include <iomanip>
#include <fstream>
using namespace std;

#define endl "\n"
#define ll long long

const int INF = 1e9+7;
const int MOD = 1e9+7;

vector<int> construct_range(int m, int k){
    return {};
}

bool check(int d1, int d2, int d3, int h1, int h2, int h3){
    return (((d1 == h1 && d2 == h2 && d3 == h3) ||
        (d1 == h1 && d2 == h3 && d3 == h2) ||
        (d1 == h2 && d2 == h1 && d3 == h3) ||
        (d1 == h2 && d2 == h3 && d3 == h1) ||
        (d1 == h3 && d2 == h1 && d3 == h2) ||
        (d1 == h3 && d2 == h2 && d3 == h1)));
}

ll count_triples(vector<int> a){
    int n = (int)a.size();
    ll cnt = 0;
    for(int i = 0; i < n; i++){
        for(int j = i; j < n; j++){
            for(int k = j; k < n; k++){
                cnt += check(j-i, k-j, k-i, a[i], a[j], a[k]);
            }
        }
    }
    return cnt;
}
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