Submission #417191

#	Time	Username	Problem	Language	Result	Execution time	Memory
417191		SlavicG	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	1082 ms	1848 KiB

shoes

#include "bits/stdc++.h"

using namespace std;
 
#define ll long long
 
#define       forn(i,n)              for(int i=0;i<n;i++)
#define          all(v)              v.begin(), v.end()
#define         rall(v)              v.rbegin(),v.rend()
 
#define            pb                push_back
#define          sz(a)               (int)a.size()
#define         fastio               ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define      GR(a,n,m)               vector<vector<int>> a(n, vector<int>(m, 0));

ll count_swaps(vector<int> s)
{
    int n = sz(s);
    ll ans = 0;
    for(int i = 0;i < n;i+=2){
            int p = i;
            for(int j = i;j < n;j++){
                if(s[j] < 0){
                    p = j;
                    break;
                }
            }
            for(int j = p;j > i;j--){
                swap(s[j], s[j - 1]);
                ++ans;
            }
    }

    for(int i = 1;i < n;i+=2)
    {
        int p = i;
        for(int j = i;j < n;j++){
             if(s[j] > 0 && abs(s[j]) == abs(s[i - 1])){
                p = j;
                break;
            }
        }
        for(int j = p;j > i;j--){
            swap(s[j], s[j - 1]);
            ++ans;
        }
    }
    return ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15