Submission #1219956

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219956		friendiks	Diversity (CEOI21_diversity)	C++20	0 / 100	0 ms	324 KiB

diversity

#ifndef LOCAL
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC diagnostic ignored "-Wpedantic"
#endif

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
using namespace __gnu_pbds;

auto seed = chrono::high_resolution_clock::now().time_since_epoch().count();
mt19937 rnd(52);
template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename V>
using table = gp_hash_table<T, V>;

using i128 = __int128;
using ll = long long;
using ld = long double;
using uint = unsigned int;
using ull = unsigned long long;

const ll INF = 2e18;
const int inf = 1e9;
const int maxn = 1e5 + 7;
const int MOD = 1e9 + 7;
const ld pi = acos(-1);
const int P = 5167;
const int L = 26;
const ld EPS = 0.0005;
const ll K = 40;

template<typename T, typename V>
void fill(T &container, V value) {
    for (auto &c : container)
        c = value;
}

#define int ll

void solve() {
    int n, q;
    cin >> n >> q;
    vector<int> v(n);
    for (int i = 0; i < n; ++i) cin >> v[i];
    sort(v.begin(), v.end());
    ll ans = 0, cnt = 0;
    for (int i = 0; i < n; ++i) {
        if (i > 0 && v[i - 1] < v[i]) {
            cnt += i;
        }
        cnt++;
        ans += cnt;
    }
    while (q--) {
        int l, r;
        cin >> l >> r;
        cout << ans << "\n";
    }
}

signed main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(7);
    int t = 1;
    //cin >> t;
    while (t--) solve();
    //stress();
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 10
• Subtask 3: 0 / 8
• Subtask 4: 0 / 16
• Subtask 5: 0 / 26
• Subtask 6: 0 / 36