제출 #1047515

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1047515		vjudge1	Arranging Shoes (IOI19_shoes)	C++17	15 / 100	12 ms	3268 KiB

shoes

typedef long long ll;
ll pie(ll army){return (1ll<<army);}
#include "shoes.h"
#include <bits/stdc++.h>
#define fr first
#define sc second
#define pb push_back
#define endl '\n'
#define mid ((left+right)>>1)
const ll inf=2000000000000000005;
const int sonsuz=2000000005;
using namespace std;
ll fpow(ll x,ll y,ll m=0){if(y<0){cout<<"powError";return -1;}if(m)x%=m;ll res=1;while(y>0){if(y&1)res*=x;x*=x;if(m){x%=m;res%=m;}y>>=1;}return res;}

ll count_swaps(vector<int>s) {
    ios_base::sync_with_stdio(false);cin.tie(NULL);
    ll n=s.size()/2;
    return (((n)*(n-1))>>1);
}

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