Create pattern

[vimalswaroopj]

No description provided.

[vimalswaroopj]

use std::io;
fn main()
{
let mut s = String::new();
io::stdin().read_line(&mut s).expect("");
let n: i32 = s.parse().unwrap();
let mut x: i32;
x=n;
let mut y: i32;
y=1;
for i in 0..n
{

    for j in 0..(x)
    {
        print!(" ")
    }
    for k in 0..y
    {
        print!("*");
    }
    y=y+2;
    x=x-1;
    print!("\n");
}
x=0;
for i in 0..n+1
{
    for j in 0..(x)
    {
        print!(" ")
    }
    for k in 0..y
    {
        print!("*");
    }
    y=y-2;
    x=x+1;
    print!("\n");
}

}

[Sameer184]

use std::io;
fn read()->i32 {
let mut num=String::new();
io::stdin()
.read_line(&mut num)
.expect("Error");
num.trim()
.parse::()
.unwrap()
}

fn main() {
println!("Enter n");
let n = read();
// let size = read() as usize;
for i in 0..n {
for j in 0..i {
print!("*");
}
println!("\n");
}
}

[sanjitschouhan]

Rust do not remove whitespace characters automatically when parsing numbers. Please use trim () before calling parse.
s.trim().parse().unwrap()