func_code_string: #include <bits/stdc++.h>   using std::sort;   const int SIZE = 100;   int dig[SIZE + 10];   char str[SIZE + 10];   int strsplit(char *str, int len) {     int size = -1;     for (char *p = strtok(str,  + ); p != NULL; p = strtok(NULL,  + ))       sscanf(p,  %d , &dig[++size]);     return size;   }   int main() {     while (scanf( %s , str) != -1) {       int len = strlen(str);       int size = strsplit(str, len);       if (size < 0) {         printf(  n );         continue;       }       sort(dig, dig + size + 1);       for (int i = 0; i < size; i++) printf( %d+ , dig[i]);       printf( %d n , dig[size]);     }     return 0;   }   