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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     int m,r;
  8.     scanf("%d%d",&m,&r);
  9.  
  10.     int n = m*r;
  11.     int vet[n], pos[n+1];
  12.  
  13.     for(int i=0; i<n; i++)
  14.     {
  15.         scanf("%d",&vet[i]);
  16.         if(vet[i] != 0) pos[vet[i]] = i;
  17.     }
  18.  
  19.     int ans = 0, x=0;
  20.     for(int i=0; i<n; i++)
  21.     {
  22.         if((i+1)%m == 0) continue;
  23.         x++;
  24.  
  25.         if(vet[i] != x)
  26.         {
  27.             ans++;
  28.             printf("Swap: %d %d\n",i+1, pos[x]+1);
  29.             pos[vet[i]] = pos[x];
  30.             swap(vet[i], vet[pos[x]]);
  31.         }
  32.     }
  33.  
  34.     printf("Number of swaps: %d\n",ans);
  35.     return 0;
  36. }
  37.  
Success #stdin #stdout 0s 3100KB
comments (?)
stdin
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4 2
0 1 2 3 0 4 5 6
stdout
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Swap: 1 2
Swap: 2 3
Swap: 3 4
Swap: 5 6
Swap: 6 7
Swap: 7 8
Number of swaps: 6
https://ideone.com/LJtz4x
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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