Submission #1251544

#	Time	Username	Problem	Language	Result	Execution time	Memory
1251544		NoLove	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++20	17 / 100	3091 ms	8276 KiB

sortbooks

/**
 *    author : Lăng Trọng Đạt
 *    created: 03-08-2025 
**/
#include <bits/stdc++.h>
using namespace std;
#ifndef LANG_DAT
#define db(...) ;
#endif // LANG_DAT
#define int long long
#define f first
#define se second
#define pb push_back
#define all(v) (v).begin(), (v).end()
#define FOR(i, a, b) for (int i = (a); (i) <= (b); (i++))
#define FD(i, lo, up) for (int i = (up); (i) >= (lo); i--)
#define si(x) (int)(x.size())
bool mx(int& a, int b) { if (b > a) {a = b; return true;} return false;}
bool mi(int& a, int b) { if (b < a) {a = b; return true;} return false;}
using pii = pair<int, int>;
using vi = vector<int>;
const int INF = 1e18 + 5;
const int MOD = 1e9 + 7;

const int N = 1e6 + 5;
int g[N];
int n, m, k, q, a, b, c;



int32_t main() {
    cin.tie(0)->sync_with_stdio(0);
    if (fopen("hi.inp", "r")) {
        freopen("hi.inp", "r", stdin);
//        freopen("hi.out", "w", stdout);
    } 

    cin >> n >> q;
    FOR(i, 1, n) {
        cin >> g[i];
    }

    FOR(i, 1, q) {
        cin >> a >> b >> k;
        int prv = g[a];
        bool ans = true;
        FOR(i, a + 1, b) {
            if (g[i] < prv && g[i] + prv > k) ans = false;
            mx(prv, g[i]);
        }        
        cout << ans << "\n";
    }


}

Compilation message (stderr)

sortbooks.cpp: In function 'int32_t main()':
sortbooks.cpp:34:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |         freopen("hi.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

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