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  1. #include<stdio.h>
  2. int main(){
  3.  
  4.    int n,m,a,b,i,j,k,temp;
  5.    int arr[101] = {0};
  6.  
  7.    scanf("%d%d",&n,&m);
  8.  
  9.    for(i=0;i<n;i++){
  10.       arr[i] = i+1;
  11.    }
  12.  
  13.    for(j=0;j<m;j++){
  14.       scanf("%d%d",&a,&b);
  15.       temp = arr[a];
  16.       arr[a] = arr[b];
  17.       arr[b] = temp;
  18.    }
  19.  
  20.    for(k=0;k<m;k++){
  21.       printf("%d ",arr[k]);
  22.    }
  23.  
  24.     return 0;
  25. }
Success #stdin #stdout 0s 5284KB
comments (?)
stdin
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5 4
1 2
3 4
1 4
2 2
stdout
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1 4 2 5
https://ideone.com/zqsXZ0
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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