Submission #210411

#	Time	Username	Problem	Language	Result	Execution time	Memory
210411		mohammad	Sorting (IOI15_sorting)	C++14	16 / 100	7 ms	504 KiB

sorting

/*
░░░░██████████████████
░░▄███████▀▀▀▀▀▀███████▄
░▐████▀▒mohammad▒▀██████▄
░███▀▒▒▒▒alaa▒▒▒▒▒▒▀█████
░▐██▒▒▒alwrawrah▒▒▒▒▒████▌
░▐█▌▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒████▌
░░█▒▄▀▀▀▀▀▄▒▒▄▀▀▀▀▀▄▒▐███▌
░░░▐░░░▄▄░░▌▐░░░▄▄░░▌▐███▌
░▄▀▌░░░▀▀░░▌▐░░░▀▀░░▌▒▀▒█▌
░▌▒▀▄░░░░▄▀▒▒▀▄░░░▄▀▒▒▄▀▒▌
░▀▄▐▒▀▀▀▀▒▒▒▒▒▒▀▀▀▒▒▒▒▒▒█
░░░▀▌▒▄██▄▄▄▄████▄▒▒▒▒█▀
░░░░▄██████████████▒▒▐▌
░░░▀███▀▀████▀█████▀▒▌
░░░░░▌▒▒▒▄▒▒▒▄▒▒▒▒▒▒▐
░░░░░▌▒▒▒▒▀▀▀▒▒▒▒▒▒▒▐
*/
 
#include<bits/stdc++.h>
#include "sorting.h"
using namespace std;
 
typedef long long ll ;
const ll oo = 1e13 ;
const double PI = acos(-1) ;
// const ll M = 1e9 + 7  ;
ll oor(ll a , ll b){return (a|b);}

map<int,int> mp ;

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
	int r = 0;
	for(int i = 0 ; i < N ; ++i) mp[S[i]] = i ;
	for(int i = 2 ; i < N ; ++i){
		if(i == S[i]) continue ;
		swap(S[X[i-2]] , S[Y[i-2]]);
		swap(mp[S[X[i-2]]] , mp[S[Y[i-2]]]);
		P[r] = mp[i];
		Q[r++] = i;
		mp[S[i]] = mp[i];
		swap(S[i] , S[mp[i]]);
	}
	if(S[0] != 0) {
		P[r] = 0 ;
		Q[r++] = 0;
	}
	return r;
}

Compilation message (stderr)

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:32:39: warning: unused parameter 'M' [-Wunused-parameter]
 int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
                                       ^

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