const std = @import("std");
const Io = std.Io;

const shared = @import("shared.zig");
const print = shared.print;

pub fn main(init: std.process.Init) !void {
    try shared.sharedInit(init);
    const allocator: std.mem.Allocator = init.arena.allocator();
    const bytes = shared.loadBytesArg(allocator);

    var l: shared.LineIter = .{};
    var acc: i64 = 50;
    var part1: i64 = 0;
    var part2: i64 = 0;
    while (l.nextLine(bytes)) |line| {
        const c = line[0];
        const r = std.fmt.parseInt(i64, line[1..line.len], 10) catch unreachable;
        if (c == 'R') {
            if (acc < 0 and acc + r >= 0)
                part2 += 1;

            acc += r;
            while (acc >= 100) {
                acc -= 100;
                part2 += 1;
            }
        }

        if (c == 'L') {
            if (acc > 0 and acc - r <= 0)
                part2 += 1;

            acc -= r;
            while (acc <= -100) {
                acc += 100;
                part2 += 1;
            }

            if (acc < 0) acc += 100;
        }

        if (acc == 0) part1 += 1;
        const x: u8 = if (c == 'R') '+' else '-';
        print("{d}: '{s}' {d} {c} part1={d} acc={d} part2={d}", .{ l.line, line, r, x, part1, acc, part2 });
    }

    print("answers: {d} {d}", .{ part1, part2 });
}