42 lines
1.1 KiB
Zig
42 lines
1.1 KiB
Zig
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const std = @import("std");
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pub fn main() !void {
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// read the input file
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const input = try std.fs.cwd().openFile("input", .{});
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defer input.close();
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var buf_reader = std.io.bufferedReader(input.reader());
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var in_stream = buf_reader.reader();
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var buf: [1024]u8 = undefined;
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var cal : i32 = 0;
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var max_cal : [3]i32 = .{0, 0, 0};
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while (try in_stream.readUntilDelimiterOrEof(&buf, '\n')) |line| {
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for (line) |char| {
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if (!std.ascii.isWhitespace(char)) { // Contains a number
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cal += std.fmt.parseInt(i32, line, 10) catch break;
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break; // else branch not evaluated
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}
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} else { // All characters are whitelines
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for (max_cal) |*max_i| {
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if (cal > max_i.*) {
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const aux = max_i.*;
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max_i.* = cal;
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cal = aux;
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}
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}
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cal = 0;
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}
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}
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var max_total : i32 = 0;
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for (max_cal) |max_i| {
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std.debug.print("Max : {}\n", .{max_i});
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max_total += max_i;
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}
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std.debug.print("Maximum Calories: {}\n", .{max_total});
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}
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