| Task: | Sunset |
| Sender: | egor.lifar |
| Submission time: | 2019-01-20 13:38:47 +0200 |
| Language: | C++ |
| Status: | READY |
| Result: | 100 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 16 |
| #2 | ACCEPTED | 35 |
| #3 | ACCEPTED | 49 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.02 s | 1 | details |
| #2 | ACCEPTED | 0.03 s | 1 | details |
| #3 | ACCEPTED | 0.03 s | 1 | details |
| #4 | ACCEPTED | 0.03 s | 1 | details |
| #5 | ACCEPTED | 0.02 s | 1 | details |
| #6 | ACCEPTED | 0.03 s | 1 | details |
| #7 | ACCEPTED | 0.03 s | 1 | details |
| #8 | ACCEPTED | 0.03 s | 1 | details |
| #9 | ACCEPTED | 0.03 s | 1 | details |
| #10 | ACCEPTED | 0.03 s | 1 | details |
| #11 | ACCEPTED | 0.03 s | 1 | details |
| #12 | ACCEPTED | 0.04 s | 1 | details |
| #13 | ACCEPTED | 0.03 s | 1 | details |
| #14 | ACCEPTED | 0.03 s | 1 | details |
| #15 | ACCEPTED | 0.04 s | 1 | details |
| #16 | ACCEPTED | 0.03 s | 1 | details |
| #17 | ACCEPTED | 0.03 s | 1 | details |
| #18 | ACCEPTED | 0.02 s | 2 | details |
| #19 | ACCEPTED | 0.33 s | 2 | details |
| #20 | ACCEPTED | 0.33 s | 2 | details |
| #21 | ACCEPTED | 0.19 s | 2 | details |
| #22 | ACCEPTED | 0.22 s | 2 | details |
| #23 | ACCEPTED | 0.22 s | 2 | details |
| #24 | ACCEPTED | 0.27 s | 2 | details |
| #25 | ACCEPTED | 0.14 s | 2 | details |
| #26 | ACCEPTED | 0.33 s | 2 | details |
| #27 | ACCEPTED | 0.33 s | 2 | details |
| #28 | ACCEPTED | 0.03 s | 2 | details |
| #29 | ACCEPTED | 0.22 s | 2 | details |
| #30 | ACCEPTED | 0.22 s | 2 | details |
| #31 | ACCEPTED | 0.23 s | 2 | details |
| #32 | ACCEPTED | 0.03 s | 3 | details |
| #33 | ACCEPTED | 0.36 s | 3 | details |
| #34 | ACCEPTED | 0.35 s | 3 | details |
| #35 | ACCEPTED | 0.33 s | 3 | details |
| #36 | ACCEPTED | 0.19 s | 3 | details |
| #37 | ACCEPTED | 0.23 s | 3 | details |
| #38 | ACCEPTED | 0.22 s | 3 | details |
| #39 | ACCEPTED | 0.29 s | 3 | details |
| #40 | ACCEPTED | 0.24 s | 3 | details |
| #41 | ACCEPTED | 0.36 s | 3 | details |
| #42 | ACCEPTED | 0.15 s | 3 | details |
| #43 | ACCEPTED | 0.36 s | 3 | details |
| #44 | ACCEPTED | 0.36 s | 3 | details |
| #45 | ACCEPTED | 0.25 s | 3 | details |
| #46 | ACCEPTED | 0.22 s | 3 | details |
| #47 | ACCEPTED | 0.24 s | 3 | details |
| #48 | ACCEPTED | 0.21 s | 3 | details |
| #49 | ACCEPTED | 0.22 s | 3 | details |
| #50 | ACCEPTED | 0.23 s | 3 | details |
| #51 | ACCEPTED | 0.22 s | 3 | details |
| #52 | ACCEPTED | 0.22 s | 3 | details |
| #53 | ACCEPTED | 0.25 s | 3 | details |
| #54 | ACCEPTED | 0.24 s | 3 | details |
Code
/*
ЗАПУСКАЕМ
░ГУСЯ░▄▀▀▀▄░РАБОТЯГУ░░
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*/
#include <iostream>
#include <complex>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <numeric>
#include <cstring>
#include <ctime>
#include <cstdlib>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <list>
#include <cmath>
#include <bitset>
#include <cassert>
#include <queue>
#include <stack>
#include <deque>
#include <random>
#include <array>
using namespace std;
template<typename T1, typename T2>inline void chkmin(T1 &x, T2 y) { if (x > y) x = y; }
template<typename T1, typename T2>inline void chkmax(T1 &x, T2 y) { if (x < y) x = y; }
template<typename T, typename U> inline ostream &operator<< (ostream &_out, const pair<T, U> &_p) { _out << _p.first << ' ' << _p.second; return _out; }
template<typename T, typename U> inline istream &operator>> (istream &_in, pair<T, U> &_p) { _in >> _p.first >> _p.second; return _in; }
template<typename T> inline ostream &operator<< (ostream &_out, const vector<T> &_v) { if (_v.empty()) { return _out; } _out << _v.front(); for (auto _it = ++_v.begin(); _it != _v.end(); ++_it) { _out << ' ' << *_it; } return _out; }
template<typename T> inline istream &operator>> (istream &_in, vector<T> &_v) { for (auto &_i : _v) { _in >> _i; } return _in; }
template<typename T> inline ostream &operator<< (ostream &_out, const set<T> &_s) { if (_s.empty()) { return _out; } _out << *_s.begin(); for (auto _it = ++_s.begin(); _it != _s.end(); ++_it) { _out << ' ' << *_it; } return _out; }
template<typename T> inline ostream &operator<< (ostream &_out, const multiset<T> &_s) { if (_s.empty()) { return _out; } _out << *_s.begin(); for (auto _it = ++_s.begin(); _it != _s.end(); ++_it) { _out << ' ' << *_it; } return _out; }
template<typename T> inline ostream &operator<< (ostream &_out, const unordered_set<T> &_s) { if (_s.empty()) { return _out; } _out << *_s.begin(); for (auto _it = ++_s.begin(); _it != _s.end(); ++_it) { _out << ' ' << *_it; } return _out; }
template<typename T> inline ostream &operator<< (ostream &_out, const unordered_multiset<T> &_s) { if (_s.empty()) { return _out; } _out << *_s.begin(); for (auto _it = ++_s.begin(); _it != _s.end(); ++_it) { _out << ' ' << *_it; } return _out; }
template<typename T, typename U> inline ostream &operator<< (ostream &_out, const map<T, U> &_m) { if (_m.empty()) { return _out; } _out << '(' << _m.begin()->first << ": " << _m.begin()->second << ')'; for (auto _it = ++_m.begin(); _it != _m.end(); ++_it) { _out << ", (" << _it->first << ": " << _it->second << ')'; } return _out; }
template<typename T, typename U> inline ostream &operator<< (ostream &_out, const unordered_map<T, U> &_m) { if (_m.empty()) { return _out; } _out << '(' << _m.begin()->first << ": " << _m.begin()->second << ')'; for (auto _it = ++_m.begin(); _it != _m.end(); ++_it) { _out << ", (" << _it->first << ": " << _it->second << ')'; } return _out; }
#define sz(c) (int)(c).size()
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
#define left left228
#define right right228
#define rank rank228
#define y1 y1228
#define read(FILENAME) freopen((FILENAME + ".in").c_str(), "r", stdin)
#define write(FILENAME) freopen((FILENAME + ".out").c_str(), "w", stdout)
#define files(FILENAME) read(FILENAME), write(FILENAME)
#define pb push_back
const string FILENAME = "input";
const int MAXN = 100228;
int n;
int h[MAXN];
int kek[MAXN];
vector<int> st[MAXN * 4];
int q;
int rmq(int v, int vl, int vr, int l, int r) {
if (vl > r || vr < l) {
return 0;
}
if (l <= vl && vr <= r) {
return lower_bound(all(st[v]), l - 1) - st[v].begin();
}
return rmq(v * 2, vl, (vl + vr) / 2, l, r) + rmq(v * 2 + 1, (vl + vr) / 2 + 1, vr, l, r);
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
//read(FILENAME);
cin >> n >> q;
for (int i = 0; i < n; i++) {
cin >> h[i];
}
vector<int> sts;
for (int i = 0; i < n; i++) {
while (!sts.empty() && h[sts.back()] < h[i]) {
sts.pop_back();
}
kek[i] = (sts.empty() ? -1: sts.back());
sts.pb(i);
}
int ss = 1;
while (ss < n) {
ss <<= 1;
}
for (int i = 0; i < n; i++) {
st[ss + i].pb(kek[i]);
}
for (int i = ss - 1; i >= 1; i--) {
if (st[i * 2].empty() && st[i * 2 + 1].empty()) {
continue;
}
if (st[i * 2].empty()) {
st[i] = st[i * 2 + 1];
continue;
}
if (st[i * 2 + 1].empty()) {
st[i] = st[i * 2];
continue;
}
st[i].resize(sz(st[i * 2]) + sz(st[i * 2 + 1]));
merge(all(st[i * 2]), all(st[i * 2 + 1]), st[i].begin());
}
for (int i = 0; i < q; i++) {
int l, r;
cin >> l >> r;
cout << rmq(1, 1, ss, l, r) << '\n';
}
return 0;
}
Test details
Test 1
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 5 3
4 1 2 2 3 1 5 2 5 3 4 |
| correct output |
|---|
| 1
3 1 |
| user output |
|---|
| 1 3 1 |
Test 2
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 1 1
1 1 1 |
| correct output |
|---|
| 1 |
| user output |
|---|
| 1 |
Test 3
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2 3
1 1000000000 1 1 2 2 1 2 |
| correct output |
|---|
| 1
1 2 |
| user output |
|---|
| 1 1 2 |
Test 4
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2 3
1000000000 1 1 1 2 2 1 2 |
| correct output |
|---|
| 1
1 1 |
| user output |
|---|
| 1 1 1 |
Test 5
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2000 2000
387547790 498212511 224378606 ... |
| correct output |
|---|
| 14
10 10 3 7 ... |
| user output |
|---|
| 14 10 10 3 7 ... Truncated |
Test 6
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2000 2000
13604803 27447643 34139694 383... |
| correct output |
|---|
| 198
43 38 58 50 ... |
| user output |
|---|
| 198 43 38 58 50 ... Truncated |
Test 7
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2000 2000
387547790 498212511 224378606 ... |
| correct output |
|---|
| 1
1 1 1 1 ... |
| user output |
|---|
| 1 1 1 1 1 ... Truncated |
Test 8
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2000 2000
409666302 646936685 583741760 ... |
| correct output |
|---|
| 8
9 12 8 11 ... |
| user output |
|---|
| 8 9 12 8 11 ... Truncated |
Test 9
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2000 2000
1000000000 1000000000 10000000... |
| correct output |
|---|
| 1
1 1 1 1 ... |
| user output |
|---|
| 1 1 1 1 1 ... Truncated |
Test 10
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2000 2000
785263 793567 1573404 1750090 ... |
| correct output |
|---|
| 2000
2000 2000 2000 2000 ... |
| user output |
|---|
| 2000 2000 2000 2000 2000 ... Truncated |
Test 11
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2000 2000
785263 793567 1573404 1750090 ... |
| correct output |
|---|
| 1960
1947 1963 1942 1944 ... |
| user output |
|---|
| 1960 1947 1963 1942 1944 ... Truncated |
Test 12
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 1999 2000
129087461 494922181 482953911 ... |
| correct output |
|---|
| 10
6 6 7 7 ... |
| user output |
|---|
| 10 6 6 7 7 ... Truncated |
Test 13
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2000 2000
409666302 646936685 583741760 ... |
| correct output |
|---|
| 8
7 6 7 7 ... |
| user output |
|---|
| 8 7 6 7 7 ... Truncated |
Test 14
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2000 2000
44989 1437234 1640005 1765235 ... |
| correct output |
|---|
| 1233
1389 1026 150 796 ... |
| user output |
|---|
| 1233 1389 1026 150 796 ... Truncated |
Test 15
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2000 2000
2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 988
994 981 979 973 ... |
| user output |
|---|
| 988 994 981 979 973 ... Truncated |
Test 16
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2000 2000
1999 2000 1997 1998 1995 1996 ... |
| correct output |
|---|
| 1
2 1 1 2 ... |
| user output |
|---|
| 1 2 1 1 2 ... Truncated |
Test 17
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 2000 2000
2 1 4 3 5 4 5 2 3 1 2 1 4 3 5 ... |
| correct output |
|---|
| 2
1 1 2 3 ... |
| user output |
|---|
| 2 1 1 2 3 ... Truncated |
Test 18
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 1 1
1 1 1 |
| correct output |
|---|
| 1 |
| user output |
|---|
| 1 |
Test 19
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
32 22 35 59 37 2 5 5 79 53 22 ... |
| correct output |
|---|
| 4
9 6 5 4 ... |
| user output |
|---|
| 4 9 6 5 4 ... Truncated |
Test 20
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ... |
| correct output |
|---|
| 89
35 59 25 12 ... |
| user output |
|---|
| 89 35 59 25 12 ... Truncated |
Test 21
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
32 22 35 59 37 2 5 5 79 53 22 ... |
| correct output |
|---|
| 1
1 1 1 1 ... |
| user output |
|---|
| 1 1 1 1 1 ... Truncated |
Test 22
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
72 58 92 12 32 29 55 87 6 49 5... |
| correct output |
|---|
| 5
7 5 6 2 ... |
| user output |
|---|
| 5 7 5 6 2 ... Truncated |
Test 23
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
100 100 100 100 100 100 100 10... |
| correct output |
|---|
| 1
1 1 1 1 ... |
| user output |
|---|
| 1 1 1 1 1 ... Truncated |
Test 24
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
72 58 92 12 32 29 55 87 6 49 5... |
| correct output |
|---|
| 4
7 6 7 4 ... |
| user output |
|---|
| 4 7 6 7 4 ... Truncated |
Test 25
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
72 58 92 12 32 29 55 87 6 49 5... |
| correct output |
|---|
| 5
5 5 5 5 ... |
| user output |
|---|
| 5 5 5 5 5 ... Truncated |
Test 26
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 99999 200000
20 47 84 90 88 63 39 16 74 19 ... |
| correct output |
|---|
| 5
7 6 3 3 ... |
| user output |
|---|
| 5 7 6 3 3 ... Truncated |
Test 27
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
72 58 92 12 32 29 55 87 6 49 5... |
| correct output |
|---|
| 6
4 9 2 5 ... |
| user output |
|---|
| 6 4 9 2 5 ... Truncated |
Test 28
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 5 1
4 1 5 6 9 1 3 |
| correct output |
|---|
| 2 |
| user output |
|---|
| 2 |
Test 29
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 44
4 27 46 29 ... |
| user output |
|---|
| 44 4 27 46 29 ... Truncated |
Test 30
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
2 1 4 3 5 4 5 2 3 1 2 1 4 3 5 ... |
| correct output |
|---|
| 3
3 3 3 2 ... |
| user output |
|---|
| 3 3 3 3 2 ... Truncated |
Test 31
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 39
10 37 20 43 ... |
| user output |
|---|
| 39 10 37 20 43 ... Truncated |
Test 32
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 1 1
1 1 1 |
| correct output |
|---|
| 1 |
| user output |
|---|
| 1 |
Test 33
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
994198482 687493351 579440176 ... |
| correct output |
|---|
| 8
6 8 10 5 ... |
| user output |
|---|
| 8 6 8 10 5 ... Truncated |
Test 34
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
138644593 592364551 919805093 ... |
| correct output |
|---|
| 10
11 13 7 12 ... |
| user output |
|---|
| 10 11 13 7 12 ... Truncated |
Test 35
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
10770 195579 349462 442791 450... |
| correct output |
|---|
| 2468
1986 2632 129 4010 ... |
| user output |
|---|
| 2468 1986 2632 129 4010 ... Truncated |
Test 36
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
994198482 687493351 579440176 ... |
| correct output |
|---|
| 1
2 1 2 1 ... |
| user output |
|---|
| 1 2 1 2 1 ... Truncated |
Test 37
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
398809514 622635167 133376912 ... |
| correct output |
|---|
| 15
13 16 11 17 ... |
| user output |
|---|
| 15 13 16 11 17 ... Truncated |
Test 38
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
1000000000 1000000000 10000000... |
| correct output |
|---|
| 1
1 1 1 1 ... |
| user output |
|---|
| 1 1 1 1 1 ... Truncated |
Test 39
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
398809514 622635167 133376912 ... |
| correct output |
|---|
| 10
16 7 18 10 ... |
| user output |
|---|
| 10 16 7 18 10 ... Truncated |
Test 40
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
11465 15800 19042 19282 20348 ... |
| correct output |
|---|
| 99542
99728 99391 99890 99716 ... |
| user output |
|---|
| 99542 99728 99391 99890 99716 ... Truncated |
Test 41
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 99999 200000
587542096 890780320 258438313 ... |
| correct output |
|---|
| 8
6 11 11 17 ... |
| user output |
|---|
| 8 6 11 11 17 ... Truncated |
Test 42
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
11283 24634 28852 37453 37625 ... |
| correct output |
|---|
| 100000
100000 100000 100000 100000 ... |
| user output |
|---|
| 100000 100000 100000 100000 100000 ... Truncated |
Test 43
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
398809514 622635167 133376912 ... |
| correct output |
|---|
| 13
13 10 15 15 ... |
| user output |
|---|
| 13 13 10 15 15 ... Truncated |
Test 44
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
11465 15800 19042 19282 20348 ... |
| correct output |
|---|
| 36112
6013 51073 8123 82052 ... |
| user output |
|---|
| 36112 6013 51073 8123 82052 ... Truncated |
Test 45
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
1 2 3 4 5 6 7 8 9 10 11 12 13 ... |
| correct output |
|---|
| 99407
99529 99590 99589 99679 ... |
| user output |
|---|
| 99407 99529 99590 99589 99679 ... Truncated |
Test 46
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
100000 99999 99998 99997 99996... |
| correct output |
|---|
| 1
1 1 1 1 ... |
| user output |
|---|
| 1 1 1 1 1 ... Truncated |
Test 47
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 49946
49703 49786 49864 49720 ... |
| user output |
|---|
| 49946 49703 49786 49864 49720 ... Truncated |
Test 48
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
99999 100000 99997 99998 99995... |
| correct output |
|---|
| 2
1 2 2 1 ... |
| user output |
|---|
| 2 1 2 2 1 ... Truncated |
Test 49
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
2 1 4 3 5 4 5 2 3 1 2 1 4 3 5 ... |
| correct output |
|---|
| 3
3 3 3 2 ... |
| user output |
|---|
| 3 3 3 3 2 ... Truncated |
Test 50
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 19
23 2 21 4 ... |
| user output |
|---|
| 19 23 2 21 4 ... Truncated |
Test 51
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 112
237 49 141 57 ... |
| user output |
|---|
| 112 237 49 141 57 ... Truncated |
Test 52
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 2457
2199 2351 2450 2475 ... |
| user output |
|---|
| 2457 2199 2351 2450 2475 ... Truncated |
Test 53
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
2 1 4 3 6 5 8 7 10 9 12 11 14 ... |
| correct output |
|---|
| 24841
24973 24865 24823 24969 ... |
| user output |
|---|
| 24841 24973 24865 24823 24969 ... Truncated |
Test 54
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 100000 200000
49999 50000 49997 49998 49995 ... |
| correct output |
|---|
| 210
1 2 2 1 ... |
| user output |
|---|
| 210 1 2 2 1 ... Truncated |