└── bitwise operators


/bitwise operators:
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 1 | #include<stdio.h>
 2 | 
 3 | void enterNumbers(int n, int numbers[]);
 4 | void output(int k, int n, int numbers[]);
 5 | 
 6 | int main(){
 7 |   int n, k;
 8 |   scanf("%d %d", &n, &k);
 9 |   int numbers[n];
10 |   enterNumbers(n, numbers);
11 |   output(k, n, numbers);
12 |   return 0;
13 | }
14 | 
15 | void enterNumbers(int n, int numbers[]){
16 |   for(int i=0; i < n; i++){
17 |     numbers[i] = i + 1;
18 |   }
19 | }
20 | 
21 | void output(int k, int n, int numbers[]){
22 |   int a;
23 |   int b;
24 |   int andlogic = 0; 
25 |   int orlogic = 0;
26 |   int xorlogic = 0;
27 |   for(int i = 0; i < n - 1; i++){
28 |     for(int j = i + 1; j < n; j++){
29 |       if(i != j){
30 |         a = numbers[i];
31 |         b = numbers[j];
32 |         if((a & b) > andlogic && (a & b) < k){
33 |           andlogic = a & b;
34 |         }
35 |         if((a | b) > orlogic && (a | b) < k){
36 |           orlogic = a | b;
37 |         }
38 |         if((a ^ b) > xorlogic && (a ^ b) < k){
39 |           xorlogic = a ^ b;
40 |         }
41 |       }
42 |     }
43 |   }
44 |   printf("%d\n", andlogic);
45 |   printf("%d\n", orlogic);
46 |   printf("%d\n", xorlogic);
47 | }
48 | 


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