欢迎使用CSDN-markdown编辑器

for(i=0;i<=len;i++)
{
if(ch[i] >= ‘0’ && ch[i] <= ‘9’)
{
sum = sum * 10 + ch[i] - ‘0’;
}
else if(sum)
{
num = num + sum;
ans[j] = num;
sum = 0;
j++;
}
}