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Problem: Bitwise Class Activity • • • • • • •

Write a program that will ask the user for an unsigned integer.

Then ask the user whether they want to shift right or left.

Then ask them how many bits to shift it.

After getting all the values perform the bitwise operation.

Print out the resulting integer value in decimal.

No get opt is needed.

Use integer value 8, use left shift, use 2 bits for how many.

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Solution: #include <stdio.h> int main(int argc, char** argv) { char buffer[50]; unsigned val; char dir; int amount; int result; printf("Please enter an unsigned integer: "); //Read in string fgets(buffer, sizeof(buffer) - 1, stdin); //Get int from string sscanf(buffer, "%u", &val); printf("Shift left or right? (L or R): "); //Read in string fgets(buffer, sizeof(buffer) - 1, stdin); //Get char from string sscanf(buffer, "%c", &dir); printf("How many bits to shift: "); //Read in string programminghomeworkhelp.com

fgets(buffer, sizeof(buffer) - 1, stdin); //Get int from string sscanf(buffer, "%d", &amount); //Shift Left if (dir == 'l' || dir == 'L') { result = val << amount; printf("Shifting %u left by %d gives %d\n", val, amount, result); } //Shift Right else { result = val >> amount; printf("Shifting %u right by %d gives %d\n", val, amount, result); } }

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