Submission #743783

#	Time	Username	Problem	Language	Result	Execution time	Memory
743783		Abrar_Al_Samit	Sorting (IOI15_sorting)	C++17	20 / 100	11 ms	340 KiB

sorting

#include <bits/stdc++.h>
#include "sorting.h"
using namespace std;

int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
	int at[N];

	int cnt = 0;
	for(int i=0; i<N-1; ++i) {
		for(int i=0; i<N; ++i) {
			at[S[i]] = i;
		}

		if(i!=at[i]) {
			P[cnt] = i, Q[cnt] = at[i];
			swap(S[i], S[at[i]]);
			++cnt;
		}
	}
	return cnt;
}

Compilation message (stderr)

sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:10:11: warning: declaration of 'i' shadows a previous local [-Wshadow]
   10 |   for(int i=0; i<N; ++i) {
      |           ^
sorting.cpp:9:10: note: shadowed declaration is here
    9 |  for(int i=0; i<N-1; ++i) {
      |          ^
sorting.cpp:5:39: warning: unused parameter 'M' [-Wunused-parameter]
    5 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                   ~~~~^
sorting.cpp:5:46: warning: unused parameter 'X' [-Wunused-parameter]
    5 | int findSwapPairs(int N, int S[], int M, int X[], int Y[], int P[], int Q[]) {
      |                                          ~~~~^~~
sorting.cpp:5:55: warning: unused parameter 'Y' [-Wunused-parameter]
    5 | 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