const std = @import("std");
const pgcd = @cImport(@cInclude("pgcd.c"));

pub fn main() !void {
    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
    defer _ = gpa.deinit();
    const allocator = gpa.allocator();
    const args = try std.process.argsAlloc(allocator);
    defer std.process.argsFree(allocator, args);
    if (args.len != 3) {
        std.debug.print("Usage: find-pgcd L R\n", .{});
        return error.WrongArgs;
    }
    const l = try std.fmt.parseInt(u32, args[1], 10);
    const r = try std.fmt.parseInt(u32, args[2], 10);
    std.debug.print("PGCD({d},{d}) = {d}\n", .{ l, r, pgcd.pgcd(l, r) });
}