Submission #210401

#	Time	Username	Problem	Language	Result	Execution time	Memory
210401		mohammad	정렬하기 (IOI15_sorting)	C++14	20 / 100	6 ms	504 KiB

sorting

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*/
 
#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 = 0 ; i < N ; ++i){
		if(i == S[i]) continue ;
		P[r] = mp[i];
		Q[r++] = i;
		mp[S[i]] = mp[i];
		swap(S[i] , S[mp[i]]);
	}
	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[]) {
                                       ^
sorting.cpp:32:48: warning: unused parameter 'X' [-Wunused-parameter]
 int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
                                                ^
sorting.cpp:32:57: warning: unused parameter 'Y' [-Wunused-parameter]
 int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
                                                         ^

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