c语言中关于sscanf函数的运用及%n的用法答:include<string.h> int main (){ char s[200];int n,wei;memset(s,0,sizeof(s));while(gets(s)){ int cnt=0,sum=0,num;char *p=s;while(sscanf(p,"%d%n",&n,&wei)==1){ sum+=n;cnt++;wei++;if(p) p+=wei;} printf("%d %d\n",cnt,sum);memset(s,0,sizeof(s)...