Mai intai trebuie sa te autentifici.
Cod sursa(job #1876572)
Utilizator | Data | 12 februarie 2017 14:36:42 | |
---|---|---|---|
Problema | Range minimum query | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.65 kb |
#include <fstream>
#include <cmath>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int rmq[40][100003],n;
int main()
{
int n,q,i,j,x,y,o,k;
f>>n>>q;
for(i=1;i<=n;i++)
{
f>>rmq[0][i];
}
for(i=1;(1<<i)<=n;i++)
{
for(j=1;j+(1<<i)-1<=n;j++)
{
rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);
}
}
/* for(i=0;i<=n;i++)
{
for(j=1;j<=n;j++)
g<<rmq[i][j]<<" ";
g<<'\n';
}*/
for(o=1;o<=q;o++)
{
f>>x>>y;
k=log2(y-x);
g<<min(rmq[k][x],rmq[k][y-(1<<k)+1])<<'\n';
}
}