Submission #563672

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
563672	2022-05-17 22:37:51	Error42	Arranging Shoes (IOI19_shoes)	C++14	45 / 100	94 ms	16464 KiB

shoes

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#include "shoes.h"
#include <iostream>
#include <vector>
using namespace std;
#define int long long
#define pb push_back
#define mp make_pair
int n;
vector<int> val;
vector<int> diff; // diff[i] = value(i) - value(i - 1)
vector<int> segtree;
int range_query(int v, int vl, int vr, int ql, int qr) {
    if (ql > vr || qr < vl) {
        return 0;
    }
    if (vl == ql && vr == qr) {
        return segtree[v];
    }
    int mid = (vl + vr) / 2;
    return range_query(2 * v, vl, mid, ql, min(qr, mid))
        + range_query(2 * v + 1, mid + 1, vr, max(ql, mid + 1), qr);
}
int query(int pos) {
    return range_query(1, 1, 2 * n + 1, 1, pos);
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 20 / 20
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15