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  1. #include<bits/stdc++.h>
  2.  
  3. void fastscan(int &number)
  4. {
  5.     //variable to indicate sign of input number
  6.     bool negative = false;
  7.     register int c;
  8.  
  9.     number = 0;
  10.  
  11.     // extract current character from buffer
  12.     c = getchar();
  13.     if (c=='-')
  14.     {
  15.         // number is negative
  16.         negative = true;
  17.  
  18.         // extract the next character from the buffer
  19.         c = getchar();
  20.     }
  21.  
  22.     // Keep on extracting characters if they are integers
  23.     // i.e ASCII Value lies from '0'(48) to '9' (57)
  24.     for (; (c>47 && c<58); c=getchar())
  25.         number = number *10 + c - 48;
  26.  
  27.     // if scanned input has a negative sign, negate the
  28.     // value of the input number
  29.     if (negative)
  30.         number *= -1;
  31. }
  32. using namespace std;
  33.  
  34. int main()
  35. {
  36.     int a,b,c,d,e,f,g,h,i,j,k,l,cost=0,mini=0,aa,bb=0,cc;
  37.     fastscan(a);fastscan(b);bool ar[a+1];
  38.     int arr[a+1];
  39.     vector < int > arr2[a+1];
  40.     for(c=1;c<=a;c++)
  41.         {fastscan(arr[c]);arr2[c].clear();}//cost
  42.         int arr5[a+1];
  43.         memset(arr5,0,sizeof(arr5));
  44.      for(c=0;c<b;c++)
  45.     {
  46.         fastscan(d);fastscan(e);
  47.         arr2[d].push_back(e);//edges
  48.         arr2[e].push_back(d);//edges
  49.     }
  50.     for(c=1;c<=a;c++)
  51.     {cout<<"value of node"<<c<<"\n";
  52.         for(d=0;d<arr2[c].size();d++)
  53.         {
  54.             cout<<arr2[c][d]<<" ";
  55.         }
  56.         cout<<"\n";
  57.     }
  58. }
Success #stdin #stdout 0s 16064KB
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https://ideone.com/QxqY5y
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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