oj.uz

Submission #1096254

# Submission time Handle Problem Language Result Execution time Memory
1096254 2024-10-04T07:08:10 Z Muhammet Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
0 / 100
 290 ms 262144 KB 
#include <bits/stdc++.h>

using namespace std;

#define sz(s) (int)s.size()
#define ff first
#define ss second
#define ll long long

const int N = 1e6 + 5;

ll n, m, a[N], b[N*4], mmx;

vector <vector <ll>> st;

void bld(int nd, int l, int r){
	if(l == r){
		st[nd].push_back(a[l]);
		return;
	}
	int md = (l + r) / 2;
	bld(nd*2,l,md);
	bld(nd*2+1,md+1,r);
	st[nd].resize(sz(st[nd*2]) + sz(st[nd*2+1]));
	merge(st[nd*2].begin(), st[nd*2].end(), st[nd*2+1].begin(), st[nd*2+1].end(), st[nd].begin());
	ll mx = 0;
	for(int i = l; i <= r; i++){
		if(mx > a[i]) b[nd] = max(b[nd],mx+a[i]);
		mx = max(mx,a[i]);
	}
	return;
}

int fnd(int nd, int l, int r, int x, int y){
	if(r < x or l > y) return 0;
	if(l >= x and r <= y){
		int t = lower_bound(st[nd].begin(), st[nd].end(), mmx) - st[nd].begin();
		ll k = 0;
		if(t != 0) k = (mmx+ st[nd][t-1]);
		k = max(k,b[nd]);
		mmx = max(mmx,st[nd].back());
		return k;
	}
	int md = (l + r) / 2;
	return max(fnd(nd*2,l,md,x,y), fnd(nd*2+1,md+1,r,x,y));
}

int main(){
	ios::sync_with_stdio (false); cin.tie(nullptr);
	cin >> n >> m;
	for(int i = 1; i <= n; i++){
		cin >> a[i];
	}
	st.resize(n*4);
	bld(1,1,n);
	for(int i = 1; i <= m; i++){
		ll l, r, k;
		cin >> l >> r >> k;
		mmx = 0;
		cout << (fnd(1,1,n,l,r) > k ? 0 : 1) << '\n';
	}
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 1 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 1 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 290 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 161 ms 31284 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 1 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 1 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -