Submission #1204679

#	Time	Username	Problem	Language	Result	Execution time	Memory
1204679		lrnnz	Arranging Shoes (IOI19_shoes)	C++20	50 / 100	1096 ms	1968 KiB

shoes

#include <bits/stdc++.h>
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include "shoes.h"
using namespace std;
 
#define all(a) (a).begin(), (a).end()
#define sz(a) (int)(a).size()
#define ll long long
#define ld long double
#define ui uint64_t
#define cont(set, element) ((set).find(element) != (set).end())
 
/********* DEBUG *********/
 
template <typename T>
void outvec(const vector<T>& Z){
    for (const T& x : Z)
    cout << x << ' ';
    cout << "\n";
}
void printVariable(const any& var) {
    if (!var.has_value()) {
        cout << "null";
        return;
    }

    if (var.type() == typeid(int)) {
        cout << any_cast<int>(var);
    } else if (var.type() == typeid(double)) {
        cout << any_cast<double>(var);
    } else if (var.type() == typeid(float)) {
        cout << any_cast<float>(var);
    } else if (var.type() == typeid(char)) {
        cout << any_cast<char>(var);
    } else if (var.type() == typeid(bool)) {
        cout << (any_cast<bool>(var) ? "true" : "false");
    } else if (var.type() == typeid(string)) {
        cout << any_cast<string>(var);
    } else if (var.type() == typeid(const char*)) {
        cout << any_cast<const char*>(var);
    } else if (var.type() == typeid(long long)) {
        cout << any_cast<long long>(var);
    } else {
        cout << "[unknown type]";
    }
}

template<typename... Args>
void outval(Args... args) {
    vector<any> variables = {args...};
    
    for (size_t i = 0; i < variables.size(); ++i) {
        printVariable(variables[i]);
        if (i != variables.size() - 1) {
            cout << " ";
        }
    }
    cout << "\n";
}

#define nl "\n"
#define sp << " " <<

/********* DEBUG *********/

const ll MOD = 1000000007;
const ll inf = 1e18;
const ll mxN = 100005;

void solve(){

}

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

            int j = i+1;
            for (j; j < n; j++)
                if (s[j] == s[i])
                    break;
            j--;
            for (j; j >= i; j--)
                swap(s[j], s[j+1]), ans++;
        }
    }

	return ans;
}

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