Submission #342467

#	Time	Username	Problem	Language	Result	Execution time	Memory
342467		dxz05	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	0 / 100	2 ms	364 KiB

sortbooks

//#pragma GCC optimize("Ofast")

#include <bits/stdc++.h>

using namespace std;

void debug_out() { cerr << endl; }

template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
    cerr << "[" << H << "]";
    debug_out(T...);
}

#ifdef dddxxz
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

#define SZ(s) ((int)s.size())

clock_t startTime;

double getCurrentTime() {
    return (double) (clock() - startTime) / CLOCKS_PER_SEC;
}

typedef long long ll;
//mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
const double eps = 0.00001;
const int MOD = 1e9 + 7;
const int INF = 1000000101;
const long long LLINF = 1223372000000000555;
const int N = 2e6 + 4e4;
const int M = 1234;
const int LOG = 19;

int a[N];
void solve(int TC) {
    int n, q;
    cin >> n >> q;

    if (n > 5000 || q > 5000) return;

    for (int i = 1; i <= n; i++){
        cin >> a[i];
    }

    while (q--){
        int l, r, k;
        cin >> l >> r >> k;
        set<int> s;
        bool ok = true;
        for (int i = l; i <= r; i++){
            if (s.upper_bound(k - a[i]) != s.end()){
                int x = a[i], y = *s.upper_bound(k - x);
                if (x + y > k && y > x && s.count(y)){
                    ok = false;
                    break;
                }
            }
            s.insert(a[i]);
        }
        cout << ok << endl;
    }

}

int main() {
    startTime = clock();
    ios_base::sync_with_stdio(false);

    bool llololcal = false;
#ifdef dddxxz
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    llololcal = true;
#endif

    int TC = 1;
    //cin >> TC;

    for (int test = 1; test <= TC; test++) {
        debug(test);
        solve(test);
    }

    if (llololcal) cerr << endl << "Time: " << getCurrentTime() * 1000 << " ms" << endl;

    return 0;
}

Compilation message (stderr)

sortbooks.cpp: In function 'int main()':
sortbooks.cpp:18:20: warning: statement has no effect [-Wunused-value]
   18 | #define debug(...) 42
      |                    ^~
sortbooks.cpp:85:9: note: in expansion of macro 'debug'
   85 |         debug(test);
      |         ^~~~~

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