Submission #143328

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
143328	2019-08-13 16:35:12	VladaMG98	Arranging Shoes (IOI19_shoes)	C++17	100 / 100	115 ms	19320 KiB

shoes

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#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
const int MAXN = 200010;
int bit[MAXN];
void upd(int pos, int val) {
    while(pos < MAXN) {
        bit[pos] += val;
        pos += pos & -pos;
    }
}
int get(int pos) {
    int ret = 0;
    while(pos) {
        ret += bit[pos];
        pos -= pos & -pos;
    }
    return ret;
}
bool marked[MAXN];
int arr[MAXN];
vector<int> occurences[2 * MAXN];
long long count_swaps(std::vector<int> s) {
  int n = (int)s.size() / 2;
  int N = 2 * n;
  long long ans = 0;
  int pos = 1;
 
 
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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