use russcip::prelude::*;
fn main() {
let mut model = Model::default().maximize();
let x1 = model.add(var().int(0..).obj(3.).name("x1"));
let x2 = model.add(var().int(0..).obj(2.).name("x2"));
model.add(cons().name("c1").coef(&x1, 2.).coef(&x2, 1.).le(100.));
model.add(cons().name("c2").coef(&x1, 1.).coef(&x2, 2.).le(80.));
let solved_model = model.solve();
let status = solved_model.status();
println!("Solved with status {status:?}");
let obj_val = solved_model.obj_val();
println!("Objective value: {obj_val}");
let sol = solved_model.best_sol().unwrap();
let vars = solved_model.vars();
for var in vars {
println!("{} = {}", var.name(), sol.val(&var));
}
}