Submission #59373369

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// Problem: C - Repeating
// Contest: AtCoder - AtCoder Beginner Contest 378
// URL: https://atcoder.jp/contests/abc378/tasks/abc378_c
// Memory Limit: 1024 MB
// Time Limit: 2000 ms
//
// Powered by CP Editor (https://cpeditor.org)
#include <bits/stdc++.h>
#define int long long
#define eb emplace_back
#define pb push_back
#define endl '\n'
#define rep1(i, a, b) for (int i = (a); i <= (b); i++)
#define rep2(i, b, a) for (int i = (b); i >= (a); i--)
using ll = long long;
using ull = unsigned long long;
using namespace std;
 
 
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// Problem: C - Repeating
// Contest: AtCoder - AtCoder Beginner Contest 378
// URL: https://atcoder.jp/contests/abc378/tasks/abc378_c
// Memory Limit: 1024 MB
// Time Limit: 2000 ms
//
// Powered by CP Editor (https://cpeditor.org)

#include <bits/stdc++.h>

#define int long long
#define eb emplace_back
#define pb push_back
#define endl '\n'
#define rep1(i, a, b) for (int i = (a); i <= (b); i++)
#define rep2(i, b, a) for (int i = (b); i >= (a); i--)

using ll = long long;
using ull = unsigned long long;
using namespace std;

constexpr double PI = 3.14159265358979323846;
constexpr ll llmax = LLONG_MAX / 2;
constexpr ll llmin = LLONG_MIN / 2;

template <typename T> bool chkmin(T &a, T b)
{
    return (b < a) ? a = b, 1 : 0;
}

template <typename T> bool chkmax(T &a, T b)
{
    return (b > a) ? a = b, 1 : 0;
}

template <typename T> void readVectorWithLength(std::vector<T> &vec, int n)
{
    vec.resize(n);
    std::copy_n(std::istream_iterator<T>(std::cin), n, vec.begin());
}

template <typename T> void readVectorWithComma(std::vector<T> &vec)
{
    std::string input;
    std::getline(std::cin, input);
    std::stringstream ss(input);
    for (T num; ss >> num; vec.push_back(num))
    {
        ss.ignore(1, ',');
    }
}

template <typename T> void readVectorNoLength(std::vector<T> &vec)
{
    for (T num; std::cin >> num; vec.push_back(num))
    {
        if (std::cin.peek() == '\n')
            break;
    }
}

void solve();

signed main()
{
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    int t = 1;
    // cin >> t;
    while (t--)
    {
        solve();
    }

    return 0;
}

void solve()
{
    //
    int n;
    cin >> n;
    vector<int> a;
    readVectorWithLength(a, n);

    vector<int> b(n);
    b[0] = -1;
    map<int, int> mp;
    mp[a[0]] = 1;
    for (int i = 1; i < n; i++)
    {
        if (mp[a[i]] == 0)
        {
            b[i] = -1;
        }
        else
        {
            b[i] = mp[a[i]];
        }
        mp[a[i]] = i + 1;
    }
    for (auto x : b)
        cout << x << " ";
}

Submission Info

Judge Result