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const Stack = @import("Stack.zig");
const page_allocator = std.heap.page_allocator;
const print = std.debug.print;
const std = @import("std");
const tokenize = std.mem.tokenize;
pub fn main() !void {
var input = tokenize(@embedFile("input"), "\n");
var max_len: usize = 0;
while (input.next()) |line| {
if (line.len > max_len)
max_len = line.len;
}
var stack = try Stack.alloc(page_allocator, max_len);
defer stack.free();
var sum: usize = 0;
defer print("{}\n", .{ sum });
input.reset();
while (input.next()) |line| : (stack.reset())
for (line) |c|
switch (c) {
'(', '[', '{', '<' => stack.push(c),
else => if (stack.pop().? ^ c > 6) {
sum += @as(usize, switch (c) {
')' => 3, ']' => 57, '}' => 1197, '>' => 25137,
else => unreachable,
});
break;
},
};
}
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