Submission #65679

#	Time	Username	Problem	Language	Result	Execution time	Memory
65679		mirbek01	Sorting (IOI15_sorting)	C++17	Compilation error	0 ms	0 KiB

sorting

#include "sorting.h"

# include <bits/stdc++.h>

using namespace std;

int findSwapPairs(int n, int ar[], int m, int x[], int y[], int p[], int q[])
{
      int sz = 0;
      for (int i = 0; i < n; i++)
      {
            bool fl = true;
            for (int j = 0; j < n; j++)
                  if (ar[j] != j)
                        fl = false;

            if (fl) break;
            for (int j = i; j < n; j++)
            {
                  if ( ar[j] == i )
                  {
                        swap(ar[j], ar[i]);
                        p[sz] = i;
                        q[sz] = j;
                        sz++;
                        break;
                  }
            }
      }
      for(int i = 0; i < n; i ++){
            assert(i == ar[i]);
      }
      assert(sz <= M);
      return sz;
}

Compilation message (stderr)

In file included from /usr/include/c++/7/cassert:44:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:33,
                 from sorting.cpp:3:
sorting.cpp: In function 'int findSwapPairs(int, int*, int, int*, int*, int*, int*)':
sorting.cpp:33:20: error: 'M' was not declared in this scope
       assert(sz <= M);
                    ^
sorting.cpp:7:40: warning: unused parameter 'm' [-Wunused-parameter]
 int findSwapPairs(int n, int ar[], int m, int x[], int y[], int p[], int q[])
                                        ^
sorting.cpp:7:49: warning: unused parameter 'x' [-Wunused-parameter]
 int findSwapPairs(int n, int ar[], int m, int x[], int y[], int p[], int q[])
                                                 ^
sorting.cpp:7:58: warning: unused parameter 'y' [-Wunused-parameter]
 int findSwapPairs(int n, int ar[], int m, int x[], int y[], int p[], int q[])
                                                          ^