Cod sursa(job #3276332)

Utilizator cezarica23cezar tambozi cezarica23 Data 13 februarie 2025 12:51:02
Problema Range minimum query Scor 20
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.75 kb
#include <bits/stdc++.h>

using namespace std;

int mabas[10001][10001], v[100001], n;

void precalc()
{
    for (int i = 0; i < n; i ++)
        mabas[i][i] = i;
    for (int i = 0; i < n; i ++)
    {
        for (int j = i + 1; j < n; j ++)
        {
            if (v[mabas[i][j - 1]] < v[j])
                mabas[i][j] = mabas[i][j - 1];
            else
                mabas[i][j] = j;
        }
    }
}

int main()
{
    ifstream cin("rmq.in");
    ofstream cout("rmq.out");
    cin >> n;
    int m; cin >> m;
    for (int i = 0; i < n; i ++)
        cin >> v[i];
    precalc();
    for (int i = 0; i < m; i ++)
    {
        int a, b; cin >> a >> b;
        cout << v[mabas[a - 1][b - 1]] << '\n';
    }
    return 0;
}