oj.uz

Submission #361197

# Submission time Handle Problem Language Result Execution time Memory
361197 2021-01-28T15:33:47 Z HoneyBadger Fire (JOI20_ho_t5) C++17
20 / 100
 232 ms 23900 KB 
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <vector>
#include <bitset>
#include <string>
#include <cstring>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <deque>
#include <utility>
#include <algorithm>
#include <random>
#include <cmath>
#include <cassert>
#include <climits>
#include <ctime>
#include <chrono>


/*
#pragma GCC optimize("Ofast")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,sse4.1,sse4.2,popcnt,abm,mmx,avx,avx2,tune=native")
*/


#ifdef LOCAL
    #define dbg(x) cout << #x << " : " << x << endl;
#else
    #define dbg(x)
#endif

#define int long long
#define pb push_back
#define ppb pop_back()
#define mp make_pair
#define fi(a, b) for (int i = a; i < b; i++)
#define fj(a, b) for (int j = a; j < b; j++)
#define fk(a, b) for (int k = a; k < b; k++)
#define fi1(a, b) for (int i = a - 1; i >= b; i--)
#define fj1(a, b) for (int j = a - 1; j >= b; j--)
#define fk1(a, b) for (int k = a - 1; k >= b; k--)
#define fx(x, a) for (auto& x : a)
#define rep(i, a, b) for (int i = a; i < b; ++i)
#define rep1(i, a, b) for (int i = a - 1; i >= b; --i)
#define siz(x) (int)x.size()
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()

using namespace std;

template<typename T1, typename T2>inline void mine(T1 &x, const T2 &y) { if (y < x) x = y; }
template<typename T1, typename T2>inline void maxe(T1 &x, const T2 &y) { if (x < y) x = y; }

ostream& operator << (ostream &out, const vector<int> &b) {
    for (auto k : b) out << k << ' ';
    return out;
}

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef char ch;
typedef string str;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pii> vpii;
typedef vector<vpii> vvpii;
typedef vector<ch> vch;
typedef vector<vch> vvch;
typedef vector<str> vs;



const int MOD = 1000000007;
const int INF = 1000000050;
const long long BIG = (long long)2e18 + 50;
const int MX = 200010;
const double EPS = 1e-9;


mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());


int s[MX];
int tree[4 * MX];

void build(int v, int l, int r) {
	if (l + 1 == r) {
		tree[v] = s[l];
		return;
	}
	int m = (l + r) / 2;
	build(2 * v, l, m);
	build(2 * v + 1, m, r);
	tree[v] = max(tree[2 * v], tree[2 * v + 1]);
}

int get(int v, int l, int r, int cl, int cr) {
	if (cl >= r || cr <= l)
		return 0;
	if (cl >= l && cr <= r)
		return tree[v];
	int m = (cl + cr) / 2;
	return max(get(2 * v, l, r, cl, m), get(2 * v + 1, l, r, m, cr));
}

int BIT[MX];
void upd(int i) {
	for (++i; i < MX; i += i & -i)
		BIT[i]++;
}
int get(int i) {
	int res = 0;
	for (++i; i > 0; i -= i & -i)
		res += BIT[i];
	return res;
}
int getlr(int l, int r) {
	return get(r) - get(l - 1);
}


int t[MX];
int l[MX];
int r[MX];
int ps[MX];



int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n, q;
    cin >> n >> q;
    bool all2 = true;
    for (int i = 0; i < n; ++i) {
    	cin >> s[i];
    	all2 &= s[i] <= 2;
    }
    build(1, 0, n);
    bool allt = true;
    bool allone = true;
    for (int i = 0; i < q; ++i) {
    	cin >> t[i] >> l[i] >> r[i];
    	--l[i];
    	allone &= r[i] - l[i] == 1;
    	allt &= t[i] == t[0];
    }
    if (max(n, q) <= 200) {
    	for (int i = 0; i < q; ++i) {
    		int ans = 0;
    		for (int j = l[i]; j < r[i]; ++j) {
    			ans += get(1, j - t[i], j + 1, 0, n);
    		} 
    		cout << ans << '\n';
    	}
    } else if (allone) { 
    	for (int i = 0; i < q; ++i) {
    		cout << get(1, l[i] - t[i], r[i], 0, n) << '\n';
    	}
    } else if (allt) {
    	for (int i = 0; i < n; ++i) {
    		s[i] = get(1, i - t[0], i + 1, 0, n);
    		ps[i + 1] = ps[i] + s[i];
    	}
    	for (int i = 0; i < q; ++i) {
    		cout << ps[r[i]] - ps[l[i]] << '\n';
    	}
    } else if (all2) {
    	vpii become;
    	int pr = -INF;
    	for (int i = 0; i < n; ++i) {
    		if (s[i] == 2) {
    			pr = i;
    		}	
    		become.pb({i - pr, i});
    	}
    	sort(all(become));
    	reverse(all(become));
    	vi reqs(q);
    	fi(0, q) reqs[i] = i;
    	sort(all(reqs), [&](int i, int j) {
    		return t[i] < t[j];
    	}); 
    	vi ans(q);
    	fx(id, reqs) {
    		while (become.size() && become.back().first <= t[id]) {
    			upd(become.back().second);
    			become.ppb;
    		}
    		ans[id] = r[id] - l[id] + getlr(l[id], r[id] - 1);
    	}

    	for (int id = 0; id < q; ++id)
    		cout << ans[id] << '\n';
    }
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 2 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 2 ms 364 KB Output is correct
24 Correct 2 ms 364 KB Output is correct
25 Correct 2 ms 364 KB Output is correct
26 Correct 2 ms 364 KB Output is correct
27 Correct 2 ms 364 KB Output is correct
28 Correct 2 ms 364 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 3 ms 364 KB Output is correct
31 Correct 2 ms 364 KB Output is correct
32 Correct 2 ms 364 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 161 ms 20716 KB Output is correct
3 Correct 168 ms 20716 KB Output is correct
4 Correct 176 ms 20716 KB Output is correct
5 Correct 178 ms 20744 KB Output is correct
6 Correct 180 ms 20716 KB Output is correct
7 Correct 169 ms 20844 KB Output is correct
8 Correct 177 ms 20716 KB Output is correct
9 Correct 179 ms 20844 KB Output is correct
10 Correct 163 ms 20716 KB Output is correct
11 Correct 168 ms 21100 KB Output is correct
12 Correct 159 ms 20460 KB Output is correct
13 Correct 188 ms 20588 KB Output is correct
14 Correct 174 ms 20460 KB Output is correct
15 Correct 175 ms 20588 KB Output is correct
16 Correct 183 ms 20588 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 192 ms 18412 KB Output is correct
3 Correct 195 ms 18028 KB Output is correct
4 Correct 205 ms 18560 KB Output is correct
5 Correct 187 ms 18028 KB Output is correct
6 Correct 191 ms 18028 KB Output is correct
7 Correct 194 ms 18156 KB Output is correct
8 Correct 194 ms 18284 KB Output is correct
9 Correct 195 ms 18156 KB Output is correct
10 Correct 186 ms 17920 KB Output is correct
11 Correct 196 ms 18540 KB Output is correct
12 Correct 186 ms 18028 KB Output is correct
13 Correct 232 ms 18664 KB Output is correct
14 Correct 186 ms 18156 KB Output is correct
15 Correct 193 ms 18284 KB Output is correct
16 Correct 197 ms 18028 KB Output is correct

Subtask #4
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 190 ms 23464 KB Output is correct
2 Correct 170 ms 23388 KB Output is correct
3 Correct 177 ms 23900 KB Output is correct
4 Correct 170 ms 23900 KB Output is correct
5 Correct 198 ms 23644 KB Output is correct
6 Correct 169 ms 23260 KB Output is correct
7 Correct 163 ms 23644 KB Output is correct
8 Correct 169 ms 23644 KB Output is correct
9 Correct 173 ms 23644 KB Output is correct
10 Correct 158 ms 23516 KB Output is correct
11 Correct 167 ms 23772 KB Output is correct
12 Correct 170 ms 23900 KB Output is correct
13 Correct 170 ms 23644 KB Output is correct
14 Correct 173 ms 23696 KB Output is correct

Subtask #5
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 364 KB Output is correct
7 Correct 2 ms 364 KB Output is correct
8 Correct 2 ms 364 KB Output is correct
9 Correct 2 ms 364 KB Output is correct
10 Correct 2 ms 364 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 364 KB Output is correct
13 Correct 1 ms 492 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 2 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 2 ms 364 KB Output is correct
24 Correct 2 ms 364 KB Output is correct
25 Correct 2 ms 364 KB Output is correct
26 Correct 2 ms 364 KB Output is correct
27 Correct 2 ms 364 KB Output is correct
28 Correct 2 ms 364 KB Output is correct
29 Correct 2 ms 364 KB Output is correct
30 Correct 3 ms 364 KB Output is correct
31 Correct 2 ms 364 KB Output is correct
32 Correct 2 ms 364 KB Output is correct
33 Correct 161 ms 20716 KB Output is correct
34 Correct 168 ms 20716 KB Output is correct
35 Correct 176 ms 20716 KB Output is correct
36 Correct 178 ms 20744 KB Output is correct
37 Correct 180 ms 20716 KB Output is correct
38 Correct 169 ms 20844 KB Output is correct
39 Correct 177 ms 20716 KB Output is correct
40 Correct 179 ms 20844 KB Output is correct
41 Correct 163 ms 20716 KB Output is correct
42 Correct 168 ms 21100 KB Output is correct
43 Correct 159 ms 20460 KB Output is correct
44 Correct 188 ms 20588 KB Output is correct
45 Correct 174 ms 20460 KB Output is correct
46 Correct 175 ms 20588 KB Output is correct
47 Correct 183 ms 20588 KB Output is correct
48 Correct 192 ms 18412 KB Output is correct
49 Correct 195 ms 18028 KB Output is correct
50 Correct 205 ms 18560 KB Output is correct
51 Correct 187 ms 18028 KB Output is correct
52 Correct 191 ms 18028 KB Output is correct
53 Correct 194 ms 18156 KB Output is correct
54 Correct 194 ms 18284 KB Output is correct
55 Correct 195 ms 18156 KB Output is correct
56 Correct 186 ms 17920 KB Output is correct
57 Correct 196 ms 18540 KB Output is correct
58 Correct 186 ms 18028 KB Output is correct
59 Correct 232 ms 18664 KB Output is correct
60 Correct 186 ms 18156 KB Output is correct
61 Correct 193 ms 18284 KB Output is correct
62 Correct 197 ms 18028 KB Output is correct
63 Correct 190 ms 23464 KB Output is correct
64 Correct 170 ms 23388 KB Output is correct
65 Correct 177 ms 23900 KB Output is correct
66 Correct 170 ms 23900 KB Output is correct
67 Correct 198 ms 23644 KB Output is correct
68 Correct 169 ms 23260 KB Output is correct
69 Correct 163 ms 23644 KB Output is correct
70 Correct 169 ms 23644 KB Output is correct
71 Correct 173 ms 23644 KB Output is correct
72 Correct 158 ms 23516 KB Output is correct
73 Correct 167 ms 23772 KB Output is correct
74 Correct 170 ms 23900 KB Output is correct
75 Correct 170 ms 23644 KB Output is correct
76 Correct 173 ms 23696 KB Output is correct
77 Incorrect 89 ms 16236 KB Output isn't correct
78 Halted 0 ms 0 KB -