32 lines
881 B
Zig
32 lines
881 B
Zig
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// Hey puzzle designer, why ????
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const std = @import("std");
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pub fn main() !void {
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const stdin = std.io.getStdIn();
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var buf_io = std.io.bufferedReader(stdin.reader());
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var reader = buf_io.reader();
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var buf = [_]u8{0} ** 100;
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_ = try reader.readAll(&buf);
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const stripped = std.mem.trim(u8, &buf, " \n\r\x00");
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const solution = try mine(stripped);
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std.debug.print("{d}", .{solution});
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}
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fn mine(key: []const u8) !u64 {
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var buf = [_]u8{0} ** 10000;
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for (1..1e10) |i| {
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const candidate = try std.fmt.bufPrintZ(&buf, "{s}{d}", .{ key, i });
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var result = [_]u8{0} ** std.crypto.hash.Md5.digest_length;
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std.crypto.hash.Md5.hash(candidate, &result, .{});
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// Check first 6 zeroes (3 bytes)
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if (result[0] == 0 and result[1] == 0 and result[2] == 0) {
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return i;
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}
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}
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return 0;
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}
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