4. 20 números
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566
fn main() {
let mut arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20];
println!("Array original: {:?}", arr);
if arr[0] == 1 {
arr[0] = 19;
}
if arr[1] == 2 {
arr[1] = 20;
}
if arr[2] == 3 {
arr[2] = 18;
}
if arr[3] == 4 {
arr[3] = 16;
}
if arr[4] == 5 {
arr[4] = 17;
}
if arr[5] == 6 {
arr[5] = 15;
}
if arr[6] == 7 {
arr[6] = 14;
}
if arr[7] == 8 {
arr[7] = 13;
}
if arr[8] == 9 {
arr[8] = 12;
}
if arr[9] == 10 {
arr[9] = 11;
}
if arr[10] == 11 {
arr[10] = 9;
}
if arr[11] == 12 {
arr[11] = 8;
}
if arr[12] == 13 {
arr[12] = 10;
}
if arr[13] == 14 {
arr[13] = 7;
}
if arr[14] == 15 {
arr[14] = 4;
}
if arr[15] == 16 {
arr[15] = 6;
}
if arr[16] == 17 {
arr[16] = 5;
}
if arr[17] == 18 {
arr[17] = 1;
}
if arr[18] == 19 {
arr[18] = 3;
}
if arr[19] == 20 {
arr[19] = 2;
}
println!("Array modificado: {:?}", arr);
}
Rust
INFO