c++ 連續輸入帶空格字符串

 

#include <iostream>
#include <stdio.h>
#include <string.h>
using namespace std;
int main(){
	char c;
	char arr[100];
	cin>>c;
	char h = getchar();//輸入回車
	//printf("%d\n",h);
	fgets(arr,100,stdin);
	int len2 = strlen(arr)-1;
	cout<<"len2="<<len2<<endl;
	cout<<c<<endl;
	//cout<<arr<<endl;
	for(int i=0;i<len2;i++){
		if(arr[i]!=' '){
			cout<<arr[i];
		}
	}
	cout<<endl;
return 0;
}