oj.uz

Submission #249875

# Submission time Handle Problem Language Result Execution time Memory
249875 2020-07-16T08:14:43 Z hohohaha Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
64 / 100
 1010 ms 262148 KB 
//	ZapZu's code hohoho
//	#pragma GCC optimize ("O3")
#include <bits/stdc++.h>
using namespace std;

#define mp make_pair
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define dfs_black 1
#define dfs_white -1
#define pr pair
#define vt vector
#define fastio ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);

#define ln 2*id
#define rn 2*id+1

mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count());

typedef double db;
typedef long long li;
typedef long double ld;

typedef pr<int, int> ii;
typedef pr<ld,ld> dd;

typedef vt<int> vi;
typedef vt<li> vli;
typedef vt<ld> vld;
typedef vt<ii> vii;

typedef map<int, int> mii;
typedef map<int, bool> mib;
typedef map<int, char> mic;

typedef set<int> s_i;
typedef set<char> s_c;

const int MOD = 1e9+7;
const li INF = 1e18;
const ld PI = 4*atan((ld)1);
int a[1000005];
struct it
{
	vi mx, mx_inv; vt<vi> arr; int n, re, cur_mx;
	it(int _n): n(_n)
	{
		mx.assign(5*n+5, 0);
		mx_inv.assign(5*n+5, 0);
		arr.assign(5*n+5, vi());
	}
	void build(int id, int l, int r)
	{
		if(l==r)
		{
			mx[id] = a[l];
			mx_inv[id] = 0;
			arr[id].eb(a[l]);
			return;
		}
		build(ln, l, (l+r)/2);
		build(rn, (l+r)/2+1, r);
		mx[id] = max(mx[ln], mx[rn]); arr[id].resize(r-l+1); mx_inv[id] = max(mx_inv[2*id], mx_inv[2*id+1]);
		for(int i=0; i<arr[rn].size(); i++) if(arr[rn][i]<mx[ln])mx_inv[id] = max(mx_inv[id],mx[ln]+arr[rn][i]);
		int p1=-1, p2=-1;
		while(p1+1<arr[ln].size() || p2+1<arr[rn].size())
		{
			if(p2+1>=arr[rn].size()) 
			{
				arr[id][p1+p2+2] = arr[ln][p1+1]; //w?
				p1++;
			}
			else if(p1+1>=arr[ln].size())
			{
				arr[id][p1+p2+2] = arr[rn][p2+1];
				p2++;
			}
			else if(arr[ln][p1+1]<arr[rn][p2+1])
			{
				arr[id][p1+p2+2] = arr[ln][p1+1]; //w?
				p1++;
			}
			else 
			{
				arr[id][p1+p2+2] = arr[rn][p2+1];
				p2++;
			}
		}
	}
	void g(int id, int l, int r, int ll, int rr)
	{
		if(ll>r or l>rr) return;
		if(ll<=l and r<=rr)
		{
			re = max(re, mx_inv[id]);
			int lb = 0, rb = arr[id].size()-1;
			while(lb<rb)
			{
				int mid = (lb+rb+1)/2;
				if(arr[id][mid]<cur_mx) lb=mid;
				else rb=mid-1;
			}
			if(arr[id][lb]<cur_mx) re = max(re, cur_mx+arr[id][lb]);
			cur_mx = max(cur_mx, mx[id]);
		}
		else 
		{
			g(ln, l, (l+r)/2, ll, rr);
			g(rn, (l+r)/2+1, r, ll, rr);
		}
	}
	int query(int l, int r)
	{
		re=0; cur_mx=0;
		g(1, 1, n, l, r);
		return re;
	}
} IT(1);
signed main()
{
//	freopen(".inp", "r", stdin);
//	freopen(".out", "w", stdout);
	fastio;
	int n, q; cin>>n>>q; IT = it(n);
	for(int i=1; i<=n; i++)	cin>>a[i];
	IT.build(1, 1, n);
	while(q--)
	{
		int l, r, k;
		cin>>l>>r>>k;
		if(IT.query(l, r)>k) cout<<0;
		else cout<<1;
		cout<<endl;
	}
}

Compilation message

sortbooks.cpp: In member function 'void it::build(int, int, int)':
sortbooks.cpp:68:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0; i<arr[rn].size(); i++) if(arr[rn][i]<mx[ln])mx_inv[id] = max(mx_inv[id],mx[ln]+arr[rn][i]);
                ~^~~~~~~~~~~~~~~
sortbooks.cpp:70:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(p1+1<arr[ln].size() || p2+1<arr[rn].size())
         ~~~~^~~~~~~~~~~~~~~
sortbooks.cpp:70:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(p1+1<arr[ln].size() || p2+1<arr[rn].size())
                                ~~~~^~~~~~~~~~~~~~~
sortbooks.cpp:72:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if(p2+1>=arr[rn].size()) 
       ~~~~^~~~~~~~~~~~~~~~
sortbooks.cpp:77:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    else if(p1+1>=arr[ln].size())
            ~~~~^~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 512 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 9 ms 768 KB Output is correct
12 Correct 10 ms 1792 KB Output is correct
13 Correct 12 ms 1792 KB Output is correct
14 Correct 18 ms 1792 KB Output is correct
15 Correct 18 ms 1792 KB Output is correct
16 Correct 17 ms 1848 KB Output is correct
17 Correct 15 ms 1536 KB Output is correct
18 Correct 18 ms 1792 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 478 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 426 ms 28152 KB Output is correct
2 Correct 396 ms 30200 KB Output is correct
3 Correct 408 ms 30096 KB Output is correct
4 Correct 395 ms 30140 KB Output is correct
5 Correct 386 ms 30072 KB Output is correct
6 Correct 346 ms 29944 KB Output is correct
7 Correct 351 ms 29948 KB Output is correct
8 Correct 364 ms 29944 KB Output is correct
9 Correct 242 ms 2044 KB Output is correct
10 Correct 372 ms 29816 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 9 ms 768 KB Output is correct
12 Correct 10 ms 1792 KB Output is correct
13 Correct 12 ms 1792 KB Output is correct
14 Correct 18 ms 1792 KB Output is correct
15 Correct 18 ms 1792 KB Output is correct
16 Correct 17 ms 1848 KB Output is correct
17 Correct 15 ms 1536 KB Output is correct
18 Correct 18 ms 1792 KB Output is correct
19 Correct 1010 ms 63436 KB Output is correct
20 Correct 957 ms 63252 KB Output is correct
21 Correct 841 ms 63096 KB Output is correct
22 Correct 843 ms 63096 KB Output is correct
23 Correct 846 ms 63092 KB Output is correct
24 Correct 804 ms 63352 KB Output is correct
25 Correct 797 ms 63096 KB Output is correct
26 Correct 903 ms 63352 KB Output is correct
27 Correct 919 ms 63352 KB Output is correct
28 Correct 919 ms 63352 KB Output is correct
29 Correct 940 ms 63276 KB Output is correct
30 Correct 871 ms 63372 KB Output is correct
31 Correct 906 ms 63376 KB Output is correct
32 Correct 871 ms 63224 KB Output is correct
33 Correct 889 ms 63276 KB Output is correct
34 Correct 756 ms 62840 KB Output is correct
35 Correct 808 ms 62840 KB Output is correct
36 Correct 803 ms 62840 KB Output is correct
37 Correct 765 ms 62712 KB Output is correct
38 Correct 794 ms 62824 KB Output is correct
39 Correct 846 ms 61944 KB Output is correct
40 Correct 664 ms 41720 KB Output is correct
41 Correct 814 ms 61432 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 512 KB Output is correct
7 Correct 2 ms 512 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 512 KB Output is correct
11 Correct 9 ms 768 KB Output is correct
12 Correct 10 ms 1792 KB Output is correct
13 Correct 12 ms 1792 KB Output is correct
14 Correct 18 ms 1792 KB Output is correct
15 Correct 18 ms 1792 KB Output is correct
16 Correct 17 ms 1848 KB Output is correct
17 Correct 15 ms 1536 KB Output is correct
18 Correct 18 ms 1792 KB Output is correct
19 Runtime error 478 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
20 Halted 0 ms 0 KB -