Submission #536102

#	Time	Username	Problem	Language	Result	Execution time	Memory
536102		MurotY	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	8 / 100	3062 ms	49784 KiB

sortbooks

#include <bits/stdc++.h>
#define ios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ff first
#define ss second
#define ll long long
using namespace std;
const int N=1e6+7, M=1e9+7;
ll a[N], dp[N];
void solve()
{
	ll n, m, mn=1e18;
	cin >> n >> m;
	for (int i=1;i<=n;i++) cin >> a[i], mn=min(mn, a[i]), dp[i]=1;
	
	for (int i=2;i<=n;i++) {
		if (a[i] >= a[i-1]) dp[i]+=dp[i-1];
		else dp[i]=dp[i-1];
	}
	
	while (m--){
		ll l, r, k;
		cin >> l >> r >> k;
		
		if (mn > k){
			if (dp[r]-dp[l-1] == n) cout <<"1\n";
			else cout << "0\n";
			continue;
		}
		vector <ll> v;
		bool ok=1;
		for (int i=l;i<=r;i++) v.push_back(a[i]);
		
		for (int i=0;i<v.size();i++){
			for (int j=i;j<v.size();j++){
				if (v[i] > v[j] && v[i]+v[j] > k){
					ok=0;
					break;
				}
			}
		}
		cout << ok <<"\n";
	}
	return ;
}
int main()
{
	ios;
	int t=1;
//	cin >> t;
	while (t--){
		solve(); 
		cout <<"\n";
	}
	return 0;
}

Compilation message (stderr)

sortbooks.cpp: In function 'void solve()':
sortbooks.cpp:33:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |   for (int i=0;i<v.size();i++){
      |                ~^~~~~~~~~
sortbooks.cpp:34:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |    for (int j=i;j<v.size();j++){
      |                 ~^~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 30
• Subtask 6: 0 / 23