//#define _GLIBCXX_DEBUG #include using namespace std; #define rep(i, n) for(int i=0; i; using vs = vector; using vi = vector; using vvi = vector; template using PQ = priority_queue; template using PQG = priority_queue, greater>; const int INF = 0xccccccc; const ll LINF = 0xcccccccccccccccLL; template inline bool chmax(T1 &a, T2 b) {return a < b && (a = b, true);} template inline bool chmin(T1 &a, T2 b) {return a > b && (a = b, true);} template istream &operator>>(istream &is, pair &p) { return is >> p.first >> p.second;} template ostream &operator<<(ostream &os, const pair &p) { return os << p.first << ' ' << p.second;} #define AL 26 //head int cnt[AL]; int main() { ios::sync_with_stdio(false); cin.tie(0); int n, q; cin >> n >> q; string s; cin >> s; while(q--) { int l, r, x; cin >> l >> r >> x; l--; memset(cnt, 0, sizeof cnt); for(int i = l; i < r; i++) cnt[s[i]-'a']++; rep(i, AL) { x -= cnt[i]; if(x <= 0) { cout << char('a'+i) << '\n'; break; } } } }