//#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])]);
}
};
struct BIT {
vector<ll> tree;
BIT(ll n) {
tree.resize(n + 1, 0);
}
void add(ll x, ll y) {
x++;
for (ll i = x; i < tree.size(); i += i & -i) {
tree[i] += y;
}
}
ll get(ll x) {
ll ans = 0;
for (ll i = x; i > 0; i -= i & -i) {
ans += tree[i];
}
return ans;
}
ll get(ll l, ll r) {
return get(r) - get(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);
BIT b(n), a(n);
for (ll i = 0; i < n; i++) {
b.add(i, arr[i]);
}
vector<vector<pair<ll, ll>>> s(n + 1);
for (ll i = 0; i < n; i++) {
s[0].emplace_back(i, arr[i]);
ll l = i, r = n;
while (r - l > 1) {
ll mid = (l + r) / 2;
if (st.get(i, mid + 1).second == i) {
l = mid;
} else {
r = mid;
}
}
s[l - i].emplace_back(i, -arr[i]);
if (st.get(0, i + 1).second != i) {
ll nl = 0, nr = i;
while (nr - nl > 1) {
ll mid = (nl + nr) / 2;
if (st.get(mid, i + 1).second == i) {
nr = mid;
} else {
nl = mid;
}
}
s[i - nr].emplace_back(i, -arr[i]);
s[l - nl].emplace_back(i, arr[i]);
}
}
vector<vector<tuple<ll, ll, ll>>> qs(n + 1);
for (ll i = 0; i < q; i++) {
ll t, l, r;
cin >> t >> l >> r;
l--;
qs[t].emplace_back(l, r, i);
}
sort(qs.begin(), qs.end());
vector<ll> ans(n);
for (ll i = 0; i <= n; i++) {
for (auto[j, k] : s[i]) {
b.add(j, -k*i);
a.add(j, k);
}
for (auto[l, r, j] : qs[i]) {
ll nr = st.get(max(0ll, r - i - 1), r).second;
ll sl = -1, sr = r - 1;
while (sr - sl > 1) {
ll mid = (sl + sr) / 2;
if (st.get(max(0ll, mid - i), mid + 1).second == nr) {
sr = mid;
} else {
sl = mid;
}
}
ll nl = st.get(max(0ll, l - i), l + 1).second;
ans[j] = b.get(nl, nr) + a.get(nl, nr) * i + arr[nr] * (r - sr) - arr[nl] * (l - nl);
}
}
for (auto i : ans) {
cout << i << '\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 member function 'void BIT::add(ll, ll)':
ho_t5.cpp:83:34: 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]
83 | for (ll i = x; i < tree.size(); i += i & -i) {
| ~~^~~~~~~~~~~~~
ho_t5.cpp: In function 'int main()':
ho_t5.cpp:174:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
174 | freopen("", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~
ho_t5.cpp:175:24: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
175 | freopen("", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 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 |
1 ms |
332 KB |
Output is correct |
| 2 |
Incorrect |
323 ms |
99372 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Runtime error |
422 ms |
189388 KB |
Execution killed with signal 6 |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
407 ms |
178756 KB |
Execution killed with signal 6 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
