Sesiones de PyR
why does this code output that there is an error because the else statement doesn't have a corresponding if statement?. How do i correct this?
#include <iostream>
using namespace std;
int main() {
int a;
for (int x =0; x<5;x++){
cin>>a;
if (a<1){
cout<<"a cannot be less than 1\n";
}
else if (a>10){
cout <<"a cannot be greater than 10\n";
}
}
else{
cout<<"code can run now"<<endl;
}
return 0;
}
3 Votos
8 Respuestashey guys, I've been trying to work out the formula 'v=I*r'. But whenever I run the program and input values for I and r, it doesn't give the right answer.
This is the code
#include <iostream>
using namespace std;
int main() {
int i,r;
int v = i*r;
cout<<"what is the value of i?\n";
cin>>i;
cout<<"what is the value of r?\n";
cin>>r;
cout<<"voltage ="<<v<<endl;
return 0;
}
p/s: I'm new to programming
1 Voto
8 RespuestasIs it possible to make my code run without having to press Enter on my IDE? For example: if I'm making a calculator and I want the calculations to be made as soon as I press "=" after typing the numbers and the operator?
Say I wanted to add two numbers: can it calculate automatically as soon as I write "2+3=" without having to press Enter?
0 Votos
5 RespuestasCould someone please help me with this..
Write code for an applet class that contains three labels First Number, Second Number, and Sum; three text fields for displaying the values of First Number, Second Number, and Sum, respectively; a button labeled Add. The applet allows the user to enter two integer values and displays the Sum if the Add button is clicked.
Write a html page to run and display the applet appropriately
0 Votos
4 RespuestasWY I get a rundum number from memory when I run this code
#include <iostream>
using namespace std;
int main ()
{
int array [5];
for (int x = 0; x < 5; x++) {
array [x] = 42;
cout << x << ': ' << array [x] << endl;
}
return 0;
}
if I replace ': ' with ": " every thing works well.
0 Votos
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