#include <atcoder/all>
using namespace std;

int op(int l, int r){return min(l, r);}
int e(){return 1 << 30;}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int N, Q, M = 100005, l, r, g;
    cin >> N >> Q;
    vector<int> a(N);
    g = __lg(N);
    vector<vector<int>> dp(g + 1, vector<int>(N + 1, N));
    for(auto &&v : a) cin >> v;
    atcoder::segtree<int, op, e> seg(vector<int>(M, N));
    for(int i = N - 1; i >= 0; i--){
        dp[0][i] = seg.prod(a[i] + 1, M);
        seg.set(a[i], i);
    }
    for(int i = 0; i < g; i++){
        for(int j = 0; j < N; j++){
            dp[i + 1][j] = dp[i][dp[i][j]];
        }
    }
    while(Q--){
        cin >> l >> l >> r;
        l--;
        int ans = 0;
        for(int i = g; i >= 0; i--){
            if(dp[i][l] < r){
                l = dp[i][l];
                ans |= 1 << i;
            }
        }
        cout << ++ans << '\n';
    }
}