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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. #define loop(i,a,b) for(int i=a; i<b; i++)
  6. #define rep(i,b) loop(i,0,b)
  7.  
  8. int choose[][2] = {
  9.     {0,1},
  10.     {0,2},
  11.     {0,3},
  12.     {1,2},
  13.     {1,3},
  14.     {2,3}
  15. };
  16.  
  17. int main(){
  18.     size_t ans[17]={0};
  19.     rep(i,6)rep(j,6)rep(k,6)rep(l,6){
  20.         int n=0;
  21.         rep(choise,16){
  22.             int used=0;
  23.             used|=1<<(choose[i][choise>>0&1]);
  24.             used|=1<<(choose[j][choise>>1&1]);
  25.             used|=1<<(choose[k][choise>>2&1]);
  26.             used|=1<<(choose[l][choise>>3&1]);
  27.             if(used==15) n++;
  28.         }
  29.         ans[n]++;
  30.     }
  31.     rep(i,17){
  32.         cout<<i<<" "<<ans[i]<<endl;
  33.     }
  34. }
  35.  
Success #stdin #stdout 0s 3296KB
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stdin
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Standard input is empty
stdout
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0 342
1 0
2 936
3 0
4 18
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 0
13 0
14 0
15 0
16 0
https://ideone.com/ypYToS
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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