#include<bits/stdc++.h>
using namespace std;
int a,b;
char c;
int main(){
	cin>>a>>b>>c;
	if(c=='+') cout<<a+b;
	else if(c=='-') cout<<a-b;
	else if(c=='*') cout<<a*b;
	else if(c=='/'&&b!=0) cout<<a/b;
	else if(c=='/'&&b==0) cout<<"Divided by zero!";
	else cout<<"Invalid operator!";
	return 5201314;
    //有防抄袭
}

using namespace std;
int a,b;
char c;
int main(){
	cin>>a>>b>>c;
	if(c=='+') cout<<a+b;
	else if(c=='-') cout<<a-b;
	else if(c=='*') cout<<a*b;
	else if(c=='/'&&b!=0) cout<<a/b;
	else if(c=='/'&&b==0) cout<<"Divided by zero!";
	else cout<<"Invalid operator!";
	return 0;
}

#include<iostream>
using namespace std;
int main()
{
    int a,b,c;char x;
    cin>>a>>b>>x;
    if ((b==0)&&(x=='/'))
      cout<<"Divided by zero!"<<endl;
    else if ((x=='+')||(x=='/')||(x=='-')||(x=='*'))

    {
        switch(x)
        {
            case '+':c=a+b;break;
            case '-':c=a-b;break;
            case '*':c=a*b;break;
            case '/':c=a/b;break;
        }
        cout<<c<<endl;
    }
    else if ((x!='+')||(x!='/')||(x!='-')||(x!='*'))
      cout<<"Invalid operator!"<<endl;

}

#include 
using namespace std;
int main(int argc, char **argv){
int a,b;char c;
cin >> a >> b >> c;
if (c == '+'){
cout << a + b;
}else if (c == '-'){
cout << a - b;
}else if (c == '*'){
cout << a * b;
}else if (c == '/'){
if (b != 0){
cout << a / b;
}else{
cout << "Divided by zero!";
}
}else{
cout << "Invalid operator!";
}
return 0;
}

#include<iostream>
using namespace std;
int a,b;
char c;
int main(){
	cin>>a>>b>>c;
	if(c=='+') cout<<a+b;
	else if(c=='-') cout<<a-b;
	else if(c=='/'&&b!=0) cout<<a/b;
	else if(c=='*') cout<<a*b;
	else if(c=='/'&&b==0) cout<<"Divided by zero!";
	else cout<<"Invalid operator!";
	return 0;
}

#include<bits/stdc++.h>
using namespace std; 

int main(){
	int a,b;
	char c;
	cin>>a>>b>>c;
	if(c=='+'){
		cout<<a+b;
	}
	if(c=='-'){
		cout<<a-b;
	}
	if(c=='/'){
		cout<<a/b;
	}
	if(c=='*'){
		cout<<a*b;
	}
}
👎 👎 👎水题

#include <bits/stdc++.h>

using namespace std;

int main(){
	int a, b;
	char c ;
	cin >> a >> b >> c;
	if(c == '+'){
		cout << a+b;
	}
	else if(c == '-'){
		cout << a-b;
	}
	else if(c == '*'){
		cout << a*b;
	}
	else if(c == '/'){
		if(b == 0){
			cout << "Divided by zero!";
		}
		else{
			cout << a/b;
		}
	}
	else{
		cout << "Invalid operator!";
	}
	return 0;
} 

#include<bits/stdc++.h>
using namespace std;

int main () {
	int n,m; cin >> n >> m;
	char a; cin >> a;
	switch(a) {
		case '+':
			cout << n+m; break;
		case '-':
			cout << n-m; break;
		case '*':
			cout << n*m; break;
		case '/':
			if (m==0) {
				cout << "Divided by zero!";
			} else {
				cout << n/m;
			}
			break;
		default: cout << "Invalid operator";
	}
	return 0;
}

#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
int main() {
    int a,b,d;
    char c;
	cin>>a>>b>>c;
    if((c!='+')and(c!='-')and(c!='*')and(c!='/'))
	{
	cout<<"Divided by zero!";
	}
	else if(c=='+')
    {
		d=a+b;
		cout<<d;
	}
	else if(c=='-')
	{
		d=a-b;
		cout<<d;
	}
	else if(c=='*')
	{
		d=a*b;
		cout<<d;	
		
	}
	else if(c=='/')
	{
		d=a/b;
		cout<<d;	
		
	}
    else
    {
		cout<<"Invalid operator!";
	}
	return 0;
}