Submission #497528

#	Time	Username	Problem	Language	Result	Execution time	Memory
497528		Nalrimet	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++17	0 / 100	1103 ms	6224 KiB

sortbooks

#include <bits/stdc++.h>

#pragma GCC optimization("g", on)
#pragma GCC optimize ("inline")
#pragma GCC optimization("03")
#pragma GCC optimization("unroll-loops")
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("Ofast")

#define ll long long
#define pb push_back
#define F first
#define S second

using namespace std;

const int N = 1e6 + 5;
const int inf = 1e9 + 7;
const int k = 1e3;

int n, m, a[N], mx[N], mn[N], ans[N], x, l, r, q, bl[N], br[N];

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

	cin >> n >> m;

    for(int i = 1; i <= n; ++i){
        cin >> a[i];
        if(mx[i / k] == 0) {bl[i / k] = i; br[(i - 1) / k] = i - 1;}
        mx[i / k] = max(mx[i / k], a[i]);
        mn[i / k] = min(mn[i / k], a[i]);
        if(mx[i / k] > a[i]){
            ans[i / k] = max(ans[i / k], mx[i / k] - a[i]);
        }
    }

    while(m--){
        cin >> l >> r >> q;
        bool ok = 1;
        x = 0;
        for(int i = l; i <= br[l / k]; ++i){
            x = max(x, a[i]);
            if(x - a[i] > q) ok = 0;
        }
        if(!ok) {cout << ok << '\n'; continue;}
        for(int i = (l / k) + 1; i <= (r / k - 1); ++i){
            if(ans[i] > q) ok = 0;
            if(x - mn[i] > q) ok = 0;
            x = max(x, mx[i]);
        }
        if(!ok) {cout << ok << '\n'; continue;}
        for(int i = bl[r / k]; i <= r; ++i){
            if(x - a[i] > q) ok = 0;
            x = max(x, a[i]);
        }
        cout << ok << '\n';
	}

	return 0;
}

Compilation message (stderr)

sortbooks.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization("g", on)
      | 
sortbooks.cpp:5: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    5 | #pragma GCC optimization("03")
      | 
sortbooks.cpp:6: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    6 | #pragma GCC optimization("unroll-loops")
      | 
sortbooks.cpp:7: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    7 | #pragma comment(linker, "/stack:200000000")
      |

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