Objective C- How to add digits in a number?
-
26-09-2019 - |
Question
How do I add the digits in a particular number for example if the number is 3234 the result should be 3+2+3+4 = 12?
Solution
Something along the lines of this should do it:
int val = 3234;
int sum = 0;
while (val != 0) {
sum += (val % 10);
val = val / 10;
}
// Now use sum.
For continued adding until you get a single digit:
int val = 3234;
int sum = val;
while (sum > 9) {
val = sum;
sum = 0;
while (val != 0) {
sum += (val % 10);
val = val / 10;
}
}
// Now use sum.
Note that both of these are destructive to the original val
value. If you want to preserve it, you should make a copy or do this in a function so the original is kept.
OTHER TIPS
Hope it is not your homework !
int sum = 0;
while (value!=0) {
sum += value % 10;
value = value / 10;
}
Licensed under: CC-BY-SA with attribution
Not affiliated with StackOverflow