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Changed the values for better understanding

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Chris Boesch 2025-05-12 21:36:37 +02:00
parent 377d184cdc
commit 761fb1a501
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GPG Key ID: 8712DF4D3E364668
3 changed files with 8 additions and 8 deletions
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2
build.zig
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@ -1146,7 +1146,7 @@ const exercises = [_]Exercise{
}, },
.{ .{
.main_file = "097_bit_manipulation.zig", .main_file = "097_bit_manipulation.zig",
.output = "x = 0; y = 1", .output = "x = 1011; y = 1101",
}, },
.{ .{
.main_file = "098_bit_manipulation2.zig", .main_file = "098_bit_manipulation2.zig",

8
exercises/097_bit_manipulation.zig
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@ -71,9 +71,9 @@ const print = std.debug.print;
pub fn main() !void { pub fn main() !void {
// As in the example above, we use 1 and 0 as values for x and y // Let us use 1101 and 1011 as values for x and y
var x: u8 = 1; var x: u8 = 0b1101;
var y: u8 = 0; var y: u8 = 0b1011;
// Now we swap the values of the two variables by doing xor on them // Now we swap the values of the two variables by doing xor on them
x ^= y; x ^= y;
@ -82,7 +82,7 @@ pub fn main() !void {
// What must be written here? // What must be written here?
???; ???;
print("x = {d}; y = {d}\n", .{ x, y }); print("x = {b}; y = {b}\n", .{ x, y });
} }
// This variable swap takes advantage of the fact that the value resulting // This variable swap takes advantage of the fact that the value resulting

6
patches/patches/097_bit_manipulation.patch
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@ -1,5 +1,5 @@
--- exercises/097_bit_manipulation.zig 2023-10-03 22:15:22.125574535 +0200 --- exercises/097_bit_manipulation.zig 2025-05-12 21:25:03.395385743 +0200
+++ answers/097_bit_manipulation.zig 2023-10-05 20:04:07.282771124 +0200 +++ answers/097_bit_manipulation.zig 2025-05-12 21:22:57.472986976 +0200
@@ -80,7 +80,7 @@ @@ -80,7 +80,7 @@
y ^= x; y ^= x;
@ -7,5 +7,5 @@
- ???; - ???;
+ x ^= y; + x ^= y;
print("x = {d}; y = {d}\n", .{ x, y }); print("x = {b}; y = {b}\n", .{ x, y });
} }