Uva 10340 all in all (字符串匹配)

#include <iostream>#include <string>using namespace std;int main(int argc, char *argv[]){string a,b;int i,j,flag;while(cin>>a>>b){for(flag=j=i=0;i<a.length();i++){while(a[i]!=b[j]) {j++;if(j>=b.length()) {flag=1;break;}}j++;if(j>b.length()) {flag=1;break;}if(flag) break;}if(flag) cout<<"No"<<endl;else cout<<"Yes"<<endl;}return 0;}