Cod sursa(job #357654)

Utilizator dacyanMujdar Dacian dacyan Data 19 octombrie 2009 23:51:29
Problema Range minimum query Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.84 kb
#include <fstream>
#define MAX 10000
using namespace std;

int a[MAX], n, m, i, j, b[MAX][MAX], x, y;

ifstream fin("rmq.in");
ofstream fout("rmq.out");

int main()
{
    fin >> n >> m;
    for ( i = 1; i <= n; i++)
        fin >> a[i];
    for ( i = 1; i < n; i++)
        for ( j = i; j <= n; j++)
        {
            if ( i ==  j)
                        b[i][j] = a[i];
            else
                        if ( a[j] < b[i][j-1])
                                                b[i][j] = a[j];
                        else
                                 
                                                 b[i][j] = b[i][j-1];
        }    
    i = 0;
    while ( i < m)
    {
        fin >> x >> y;
        fout << b[x][y] << '\n';
        i++;
    }
    fin.close();
    fout.close();
    return 0;
}