Submission #690287

#	Time	Username	Problem	Language	Result	Execution time	Memory
690287		iskhakkutbilim	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	0 / 100	591 ms	29512 KiB

sortbooks

#include <bits/stdc++.h>
using namespace std;

//#define int long long
#define ff first
#define ss second
#define all(a) a.begin(), a.end()
const int N = 1e6;
const int M = 1e9+7;

int n, q;
int a[N], pref[N], sum[N];
int get_sum(int l,int r){
	return (sum[r] - (l > 0 ? sum[l-1] : 0));
}

main(){
   ios::sync_with_stdio(0);
   cin.tie(0); cout.tie(0);
	cin >> n >> q;
	int mn = INT_MAX;
	for(int i = 0;i < n; i++){
		cin >> a[i];
		sum[i] = a[i] + (i > 0 ? sum[i-1] : 0);
		mn = min(mn, a[i]);
	}
	for(int i = 0;i < n-1; i++){
		if(i == 0){
			pref[i] = (a[i+1]>=a[i]);
		}else{
			pref[i] = pref[i-1]+ (a[i+1]>= a[i]);
		}
	}
	while(q--){
		int l, r, k; cin >> l >> r >> k; l--, r--;
		if(r-l+1 == 1){
			cout << 1 << '\n';
			continue;
		}
		if(mn > k){
		 	int L = max(0, l-1);
		 	int R = max(0, r-1);
		 	if(pref[R]-pref[L] == R-l+1){
		 		cout << 1;
			 }else{
			 	cout << 0;
			 }
			 cout << '\n';
		}else{
			assert(false);
		}
	}
	return 0;
}

Compilation message (stderr)

sortbooks.cpp:17:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   17 | main(){
      | ^~~~

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