C
c
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#include <stdio.h>
int main()
{
int num,reverse = 0;
printf("Enter n: ");
scanf(" %d", &num);
while (num != 0) {
reverse = reverse * 10 + num % 10;
num /= 10;
}
printf("%d\n", reverse);
/*
input: 123
output: 321
expected result:
3
2
1
*/
return 0;
}
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