Arithmetic Operation

#include <bits/stdc++.h>
#include <cmath>
#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;
#define ll long long int
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    char op;
    float num1, num2;
    cout << "Enter operator either + or - or * or /: ";
    cin >> op;
    cout << "\nEnter two operands: ";
    cin >> num1 >> num2;
    switch(op)
    {
        case '+':
            cout <<"\nResult of " <<num1<<"+"<<num2<< "is: "<<num1+num2;
            break;

        case '-':
            cout <<"\nResult of " <<num1<<"-"<<num2<< "is: "<<num1-num2;
            break;

        case '*':
            cout <<"\nResult of " <<num1<<"*"<<num2<< "is: "<<num1*num2;
            break;

        case '/':
            cout <<"\nResult of " <<num1<<"/"<<num2<< "is: "<<num1/num2;
            break;
         case '%':
            cout <<"\nResult of "<<num1<<" % "<<num2<< "is: "<<num1%num2;
            break;
        default:
            cout<<"\nPlease provide valid input.";
            break;
    }
    return 0;
}