View Code of Problem 3855

#include<iostream>
using namespace std;

int getrel(int a,int b,char op)
{
	if(op=='+')
	{
		return a+b;
	}
	else
	{
		return a-b;
	}
}
int main()
{
	int t;
	cin>>t;
	int a,b;
	char op;
	while(t--)
	{
		cin>>a;
		while(scanf("%c",&op)!=EOF)   //scanf可以读取回车,而cin不行 
		{
			if(op=='\n')
			{
				break;
			}
			cin>>b;
			a=getrel(a,b,op);
		}
		cout<<a<<endl;
	}
}