제출 #784250

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
784250		HD1	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1 ms	212 KiB

shoes

//we are all lost trying to be someone.
#include "shoes.h"
#include <bits/stdc++.h>
#define fastio ios_base::sync_with_stdio(0); cin.tie(0);
#define sz(x) ll(x.size())
#define reve(x) reverse(x.begin(),x.end())
#define ff first
#define ss second
#define pb push_back
using namespace std;
typedef int ll;
typedef long double ld;
typedef pair<ll,ll> ii;
typedef pair<ll, ii >tri;
const ll MAX=1e7+100;
const ll mod=1e9;
const ll inf=1e9;
long long count_swaps(vector<int> c){
    ll pos=0;
    ll sum=0;
    ll aux=-1;
    for(ll i=0; i<sz(c); i++){
        if(c[i]==-1 and i!=pos){
            sum+=i;
            pos+=2;
        }
    }
    return sum;
}

컴파일 시 표준 에러 (stderr) 메시지

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:21:8: warning: unused variable 'aux' [-Wunused-variable]
   21 |     ll aux=-1;
      |        ^~~

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