Submission #304933

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
304933	2020-09-22 08:40:31	azberjibiou	Arranging Shoes (IOI19_shoes)	C++17	100 / 100	266 ms	142356 KiB

shoes

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#include "shoes.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const int mxN=101010;
queue <int> que[2*mxN];
bool Chk[2*mxN];
int seg[8*mxN];
void init(int idx, int s, int e)
{
    seg[idx]=e-s+1;
    if(s!=e)
    {
        int mid=(s+e)/2;
        init(2*idx, s, mid);
        init(2*idx+1, mid+1, e);
    }
}
int sum(int idx, int s, int e, int str, int fin)
{
    if(s>fin || str>e)  return 0;
    if(str<=s && e<=fin)    return seg[idx];
    int mid=(s+e)/2;
    return sum(2*idx, s, mid, str, fin)+sum(2*idx+1, mid+1, e, str, fin);
}
void upd(int idx, int s, int e, int pos)
{
    if(pos<s || pos>e)  return;
    seg[idx]--;
    if(s!=e)
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 15 / 15
• Subtask 5: 20 / 20
• Subtask 6: 15 / 15