Pagini recente » Cod sursa (job #1953431) | Cod sursa (job #1651317) | Cod sursa (job #2037801) | Cod sursa (job #1436244) | Cod sursa (job #2864824)
#include <iostream>
#include <fstream>
#include <algorithm>
#include <queue>
#include <cstring>
#include <vector>
#include <climits>
#include <bitset>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int a[101], lg[1000], rmq[100][100];
int main()
{
int n, m, p, l, diff, x, y, sh;
f >> n >> m;
for (int i = 1; i <= n; i++)
{
f >> a[i];
}
for (int i = 2; i <= n; i++)
{
lg[i] = lg[i / 2] + 1;
}
for (int i = 1; i <= n; i++)
{
rmq[0][i] = a[i];
}
for (int i = 1; pow(2, i) <= n; i++)
{
for (int j = 1; j <= n - pow(2, i) + 1; j++)
{
l = pow(2, i - 1);
rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + 1]);
}
}
for (int i = 1; i <= m; i++)
{
f >> x >> y;
diff = y - x + 1;
l = lg[diff];
sh = diff - pow(2, l);
cout << min(rmq[l][x], rmq[l][x + sh]) << "\n";
}
return 0;
}