include <iostream>using namespace std;int main(){ char s[100],s1[100]; cin>>s>>s1; int i,j; for(i = 0; s[i]; i ++); for(j = 0; s1[j];j++) s[i+j] = s1[j]; s[i+j] = 0; cout <<s<<endl; return 0;} ...
int main(){ char stra[100],strb[100],str[200];//str=stra+strb int i,j;cout<<"Input stra(less than 100 characters):"<<endl;cout<<"stra=";cin>>stra;//cin输入字符串不要包含空格否则请用getline（）cout<<"Input strb(less than 100 characters):"<<endl;cout<<"strb=";cin...