Submission #143786

#	Time	Username	Problem	Language	Result	Execution time	Memory
143786		jh05013	Arranging Shoes (IOI19_shoes)	C++17	10 / 100	1061 ms	2012 KiB

shoes

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define entire(X) X.begin(),X.end()
#define dbgv(V) for(auto x:V)cout<<x<<' ';cout<<endl;
void OJize(){cin.tie(NULL); ios_base::sync_with_stdio(false);}

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