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  1. #include <iostream>
  2. #include <string>
  3. #include <sstream>
  4. #include <cmath>
  5. #include <algorithm>
  6.  
  7. using namespace std;
  8. bool a[3002];
  9.  
  10. int main()
  11. {
  12.      int x1,x2,x3 , n1,n2,n3, m1,m2,m3 ,z1=0,z2=0,z3=0;
  13.     float r1,r2,r3, rt1=0,rt2=0,rt3=0;
  14.     float arr[3000]={};
  15.     float arr2[3000]={};
  16.     cin>>n1;
  17.     for(int i=0;i<n1;i++){
  18.         cin>>x1>>m1;
  19.         arr2[x1]+=m1;
  20.         for(int h=0;h<m1;h++){
  21.             cin>>r1;
  22.             arr[x1]+=r1;
  23. 			a[x1] = 1;
  24.  
  25.         }
  26.         //arr[x1]=(rt1/arr2[x1]);
  27.         // cout <<arr[x1]<<endl;
  28.     }
  29.  
  30.     cin>>n2;
  31.     for(int i=0;i<n2;i++){
  32.  
  33.         cin>>x2>>m2;
  34.          z2+=x2;
  35. arr2[x2]+=m2;
  36.         for(int h=0;h<m2;h++){
  37.             cin>>r2;
  38.        //rt2+=r2;
  39.            arr[x2]+=r2;
  40.            a[x2] = 1;
  41.  
  42.     }
  43.   // arr[x2]=(rt2/arr2[x2]);
  44.     }
  45.  
  46.      cin>>n3;
  47.     for(int i=0;i<n3;i++){
  48.         cin>>x3>>m3;
  49.          z3+=x3;
  50. arr2[x3]+=m3;
  51.        for(int h=0;h<m3;h++){
  52.             cin>>r3;
  53.             arr[x3]+=r3;
  54.             //arr[x3]+=r3;
  55.             a[x3] = 1;
  56.         }
  57.       //arr[x3]=(rt3/arr2[x3]);
  58.     }
  59.     for(int i=1;i<3000;i++){
  60.         if(a[i] == 1){
  61.             cout <<i <<" "<<arr[i]/arr2[i]<<endl;
  62.         }
  63.     }
  64.  
  65.     return 0;
  66. }
  67.  
Success #stdin #stdout 0s 3460KB
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https://ideone.com/VXENyu
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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