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- #include <stdio.h>
- void printBinary(int n);
- void setBit(int *n, int i);
- int main()
- {
- int n = 5;
- printBinary(n);
- setBit(&n, 5);
- printBinary(n);
- return 0;
- }
- void setBit(int *n, int i)
- {
- *n |= 1<<i;
- }
- void printBinary(int n)
- {
- unsigned int i;
- for(i = 1<<31; i >= 1; i >>= 1)
- {
- if(i & n) printf("1");
- else printf("0");
- }
- printf("\n");
- }
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