Cod sursa(job #929369)

Utilizator BodiIgna Bogdan Bodi Data 26 martie 2013 23:36:53
Problema Range minimum query Scor 20
Compilator cpp Status done
Runda Arhiva educationala Marime 0.57 kb
#include <iostream>
#include <fstream>
using namespace std;
int c[100001],n,m,i,j,mini,x,y;
int a[20000][20000];
int main()
{
    ifstream fin("rmq.in");
    ofstream fout("rmq.out");
    fin>>n>>m;
    for(i=1;i<=n;i++)fin>>c[i];
    for(i=1;i<=n;i++)
    {
        a[i][i]=c[i];
        mini=c[i];
        for(j=i+1;j<=n;j++)
        {
            if(c[j]<mini)mini=c[j];
            a[i][j]=mini;
        }
    }
    for(i=1;i<=m;i++)
    {
        fin>>x>>y;
        fout<<a[x][y]<<"\n";
    }
    fin.close();
    fout.close();
    return 0;
}