Submission #331086

#	Time	Username	Problem	Language	Result	Execution time	Memory
331086		tavhid	Hedgehog Daniyar and Algorithms (IZhO19_sortbooks)	C++14	0 / 100	3090 ms	42168 KiB

sortbooks

#include <bits/stdc++.h>

//#pragma GCC optimize("Ofast")
//1.0 * clock() / CLOCKS_PER_SEC

#define fi first
#define se second
#define int long long int
#define dl double long

using namespace std;

const int N = 1e6 + 7;
const int INF = 1e10 + 7;
const int mod = 998244353;

//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

int ar[N], tmn[4 * N], tmx[4 * N];
void buildmn(int v, int l, int r){
    if(l == r){
        tmn[v] = ar[l];
    }else{
        int m = (l + r) / 2;
        buildmn(v * 2, l, m);
        buildmn(v * 2 + 1, m + 1, r);
        tmn[v] = min(tmn[v * 2], tmn[v * 2 + 1]);
    }
}
void buildmx(int v, int l, int r){
    if(l == r){
        tmx[v] = ar[l];
    }else{
        int m = (l + r) / 2;
        buildmx(v * 2, l, m);
        buildmx(v * 2 + 1, m + 1, r);
        tmx[v] = max(tmx[v * 2], tmx[v * 2 + 1]);
    }
}

int resmn(int v, int tl, int tr, int l, int r){
    if(l > r)
        return INT_MAX;
    if(tl == l && tr == r)
        return tmn[v];
    int tm = (tl + tr) / 2;
    return min(resmn(v * 2, tl, tm, l, min(tm, r)), resmn(v * 2 + 1, tm + 1, tr, max(tm + 1, l), r));
}
int resmx(int v, int tl, int tr, int l, int r){
    if(l > r)
        return 0;
    if(tl == l && tr == r)
        return tmx[v];
    int tm = (tl + tr) / 2;
    return max(resmx(v * 2, tl, tm, l, min(tm, r)), resmx(v * 2 + 1, tm + 1, tr, max(tm + 1, l), r));
}

void solve1()
{
    int n, q;
    cin >> n >> q;
    for(int i = 1; i <= n; i++)
        cin >> ar[i];
    buildmn(1, 1, n);
    for(int i = 1; i <= n; i++){
        if(!(ar[i] > ar[i + 1] && i != n))
            ar[i] = 0;
    }
    buildmx(1, 1, n);
    while(q--){
        int l, r, k;
        cin >> l >> r >> k;
        if(l == r){
            cout << 1 << endl;
            continue;
        }
        int mx = resmx(1, 1, n, l, r);
        int mn = resmn(1, 1, n, l, r);
        if(mx == 0){
            cout << 1 << endl;
            continue;
        }
        if(mn < mx && mx + mn <= k){
            cout << 1 << endl;
        }else{
            cout << 0 << endl;
        }
    }
}

int32_t main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0); srand(time(0));
    //freopen( "input.txt" , "r" , stdin );
    //freopen( "output.txt" , "w" , stdout );
	//freopen( "cupboard.in" , "r" , stdin );
    //freopen( "cupboard.out" , "w" , stdout );

    int cghf = 1;//cin >> cghf;
    while( cghf-- ){
        solve1();
    }
}

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