//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx,avx2,sse,sse2,sse3,ssse3,sse4,abm,popcnt,mmx")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef double db;
typedef long double ldb;
typedef complex<double> cd;
constexpr ll INF64 = 9'000'000'000'000'000'000, INF32 = 2'000'000'000, MOD = 1'000'000'007;
constexpr db PI = acos(-1);
constexpr bool IS_FILE = false, IS_TEST_CASES = false;
random_device rd;
mt19937 rnd32(rd());
mt19937_64 rnd64(rd());
template<typename T>
bool assign_max(T& a, T b) {
if (b > a) {
a = b;
return true;
}
return false;
}
template<typename T>
bool assign_min(T& a, T b) {
if (b < a) {
a = b;
return true;
}
return false;
}
template<typename T>
T square(T a) {
return a * a;
}
template<>
struct std::hash<pair<ll, ll>> {
ll operator() (pair<ll, ll> p) const {
return ((__int128)p.first * MOD + p.second) % INF64;
}
};
struct sparce_table {
vector<vector<pair<ll, ll>>> arr;
vector<ll> lg;
sparce_table(vector<ll> a) {
lg.push_back(0);
while (lg.size() <= a.size()) {
lg.push_back(lg.back());
if ((1 << (lg.back() + 1)) == lg.size() - 1) {
lg.back()++;
}
}
arr.resize(lg.back() + 1, vector<pair<ll, ll>>(a.size()));
for (ll i = 0; i < a.size(); i++) {
arr[0][i] = make_pair(a[i], i);
}
for (ll i = 1; i <= lg.back(); i++) {
for (ll j = 0; j + (1 << (i - 1)) < a.size(); j++) {
arr[i][j] = max(arr[i - 1][j], arr[i - 1][j + (1 << (i - 1))]);
}
}
}
pair<ll, ll> get(ll l, ll r) {
return max(arr[lg[r - l]][l], arr[lg[r - l]][r - (1 << lg[r - l])]);
}
};
void solve() {
ll n, q;
cin >> n >> q;
vector<ll> arr(n);
for (ll i = 0; i < n; i++) {
cin >> arr[i];
}
sparce_table st(arr);
for (ll i = 0; i < q; i++) {
ll l, r, t;
cin >> t >> l >> r;
l--;
cout << st.get(max(0ll, l - t), r).first << '\n';
}
}
int main() {
if (IS_FILE) {
freopen("", "r", stdin);
freopen("", "w", stdout);
}
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
ll t = 1;
if (IS_TEST_CASES) {
cin >> t;
}
for (ll i = 0; i < t; i++) {
solve();
}
}
Compilation message
ho_t5.cpp: In constructor 'sparce_table::sparce_table(std::vector<long long int>)':
ho_t5.cpp:57:52: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
57 | if ((1 << (lg.back() + 1)) == lg.size() - 1) {
| ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~
ho_t5.cpp:62:34: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
62 | for (ll i = 0; i < a.size(); i++) {
| ~~^~~~~~~~~~
ho_t5.cpp:66:59: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
66 | for (ll j = 0; j + (1 << (i - 1)) < a.size(); j++) {
| ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
ho_t5.cpp: In function 'int main()':
ho_t5.cpp:94:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
94 | freopen("", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~
ho_t5.cpp:95:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
95 | freopen("", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Incorrect |
125 ms |
66160 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
112 ms |
65748 KB |
Output is correct |
| 3 |
Correct |
114 ms |
64668 KB |
Output is correct |
| 4 |
Correct |
123 ms |
67396 KB |
Output is correct |
| 5 |
Correct |
115 ms |
65504 KB |
Output is correct |
| 6 |
Correct |
108 ms |
66140 KB |
Output is correct |
| 7 |
Correct |
116 ms |
66488 KB |
Output is correct |
| 8 |
Correct |
118 ms |
65544 KB |
Output is correct |
| 9 |
Correct |
118 ms |
64840 KB |
Output is correct |
| 10 |
Correct |
140 ms |
64464 KB |
Output is correct |
| 11 |
Correct |
138 ms |
67204 KB |
Output is correct |
| 12 |
Correct |
118 ms |
66764 KB |
Output is correct |
| 13 |
Correct |
122 ms |
66652 KB |
Output is correct |
| 14 |
Correct |
132 ms |
65160 KB |
Output is correct |
| 15 |
Correct |
150 ms |
67252 KB |
Output is correct |
| 16 |
Correct |
116 ms |
66796 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
116 ms |
62856 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
