C语言程序计算整数各位数字之和

ubuntu 14.04 linux cgcc (Ubuntu 4.8.2-19ubuntu1) 4.8.2

#include#includeint main(){        char integer[100];        int value = 0,temp_value = 0,sum = 0;        gets(integer);        value = atoi(integer);        temp_value = value;        while(value >= 1)        {                sum += value%10;                value = value / 10;        }        printf('the integer is %d and the sum of decimal digits is %d \n',temp_value,sum);        return 0;}

xxx@linux:~/code$ gcc -o sum sum.c xxx@linux:~/code$ ./sum 123the integer is 123 and the sum of decimal digits is 6 xxx@linux:~/code$ ./sum12345the integer is 12345 and the sum of decimal digits is 15