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0_0_29352749_16979.c:1:652: fatal error: iostream: No such file or directory
 #include <iostream>#include <algorithm>#include <cstdio>#include <cstring>#include <cmath> int main(){    char n[110];    int sum[110],maxx=0;    memset(sum,0,sizeof(sum));    while(~scanf("%s",n))    {        if(strcmp(n,"0")==0)            break;        int len=strlen(n);        int j=0;        for(int i=len-1;i>=0;i--)        {            sum[j]+=n[i]-'0';            sum[j+1]+=sum[j]/10;            sum[j]=sum[j]%10;            j++;        }        if(sum[j]!=0)            maxx=j;//进位不一定为0        else if(maxx<j-1)            maxx=j-1;    }    for(int i=maxx;i>=0;i--)    {        printf("%d",sum[i]);    }    printf("\n");    return 0; }
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ^
compilation terminated.