输入描述

输入描述

#include<stdio.h>int main(){int sum,n;char c;sum=0;while(scanf("%d",&n)==1){sum+=n;while((c=getchar())==' ');if(c=='\n')break;ungetc(c,stdin);}printf("%d\n",sum);return 0;}

 

 

#include<iostream>using namespace std;int main(){int sum,n;char c;sum=0;while((c=getchar())!='\n'){   if(c==' ')  ;  else if(c=='\n')break;  else sum+=c-'0'; }printf("%d\n",sum);return 0;}