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- #include <stdio.h>
- #include <string.h>
- int SumOfDigits(char n[])
- {
- int len = strlen(n);
- int i, s = 0;
- for(i = 0; i < len; i++) {
- s += n[i] - '0';
- }
- return s;
- }
- int main()
- {
- char num[25];
- scanf("%s", num);
- int sum;
- sum = SumOfDigits(num);
- printf("%d\n", sum);
- return 0;
- }
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