Submission #1247086

#	Time	Username	Problem	Language	Result	Execution time	Memory
1247086		lrnnz	Sorting (IOI15_sorting)	C++20	36 / 100	1 ms	328 KiB

sorting

#include <bits/stdc++.h>
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <iomanip>
#include <queue>
#include <random>
#include "sorting.h"
using namespace std;

#define all(a) (a).begin(), (a).end()
#define ll long long
#define ld long double
#define ui uint64_t
#define cont(set, element) ((set).find(element) != (set).end())
#define pb push_back

#define chmin(x, y) (x = min(x, y)) 
#define chmax(x, y) (x = max(x, y))

/********* 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 sp << " " <<
#define fi first
#define se second

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

const ll MOD2 = 1e9 + 7;
const ll MOD = 998244353;
const ll inf = 1e18;

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
    vector<ll> place(N);
    for (int i = 0; i < N; i++){
        place[S[i]] = i;
    }

    int p = 0, ans = 0, i = N-1;
    while (i >= 0 && S[i] == i)
        i--;

    if (i == -1)
        return 0;

    while (i >= 0){
        // Ermek's swap
        ll x = X[p], y = Y[p];
        swap(place[S[x]], place[S[y]]);
        swap(S[x], S[y]);   

        ans++;
        P[p] = i;
        Q[p++] = place[i];

        ll other = S[i];
        swap(S[place[i]], S[i]);
        swap(place[other], place[i]);

        while (i >= 0 && S[i] == i)
            i--;
    }

    if (S[0] == 1){
        ans++;
        P[p] = 0;
        Q[p] = 1;
    }
         
	return ans;
}

• Subtask 1: 8 / 8
• Subtask 2: 12 / 12
• Subtask 3: 16 / 16
• Subtask 4: 0 / 18
• Subtask 5: 0 / 20
• Subtask 6: 0 / 26