diff --git a/lab3/zad2/gnuplot/k1/comp.gp b/lab3/zad2/gnuplot/k1/comp.gp
new file mode 100644
index 0000000..a3f6bc9
--- /dev/null
+++ b/lab3/zad2/gnuplot/k1/comp.gp
@@ -0,0 +1,12 @@
+set title "Average comparisons, k = 1, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average comparisons"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/k1" \
+using 1:2 t "NormalSelect", \
+"" using 1:4 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/k1/comp_n.gp b/lab3/zad2/gnuplot/k1/comp_n.gp
new file mode 100644
index 0000000..4b70a0f
--- /dev/null
+++ b/lab3/zad2/gnuplot/k1/comp_n.gp
@@ -0,0 +1,12 @@
+set title "Average comparisons / n, k = 1, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average comparisons / n"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/k1" \
+using 1:6 t "NormalSelect", \
+"" using 1:8 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/k1/swap.gp b/lab3/zad2/gnuplot/k1/swap.gp
new file mode 100644
index 0000000..0414de0
--- /dev/null
+++ b/lab3/zad2/gnuplot/k1/swap.gp
@@ -0,0 +1,12 @@
+set title "Average swaps, k = 1, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average swaps"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/k1" \
+using 1:3 t "NormalSelect", \
+"" using 1:5 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/k1/swap_n.gp b/lab3/zad2/gnuplot/k1/swap_n.gp
new file mode 100644
index 0000000..2c6bfa0
--- /dev/null
+++ b/lab3/zad2/gnuplot/k1/swap_n.gp
@@ -0,0 +1,12 @@
+set title "Average swaps / n, k = 1, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average swaps / n"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/k1" \
+using 1:7 t "NormalSelect", \
+"" using 1:9 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/kn/comp.gp b/lab3/zad2/gnuplot/kn/comp.gp
new file mode 100644
index 0000000..4ba74c6
--- /dev/null
+++ b/lab3/zad2/gnuplot/kn/comp.gp
@@ -0,0 +1,12 @@
+set title "Average comparisons, k = n, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average comparisons"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/kn" \
+using 1:2 t "NormalSelect", \
+"" using 1:4 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/kn/comp_n.gp b/lab3/zad2/gnuplot/kn/comp_n.gp
new file mode 100644
index 0000000..901a4ee
--- /dev/null
+++ b/lab3/zad2/gnuplot/kn/comp_n.gp
@@ -0,0 +1,12 @@
+set title "Average comparisons / n, k = n, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average comparisons / n"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/kn" \
+using 1:6 t "NormalSelect", \
+"" using 1:8 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/kn/swap.gp b/lab3/zad2/gnuplot/kn/swap.gp
new file mode 100644
index 0000000..912d4f7
--- /dev/null
+++ b/lab3/zad2/gnuplot/kn/swap.gp
@@ -0,0 +1,12 @@
+set title "Average swaps, k = n, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average swaps"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/kn" \
+using 1:3 t "NormalSelect", \
+"" using 1:5 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/kn/swap_n.gp b/lab3/zad2/gnuplot/kn/swap_n.gp
new file mode 100644
index 0000000..eb9c22d
--- /dev/null
+++ b/lab3/zad2/gnuplot/kn/swap_n.gp
@@ -0,0 +1,12 @@
+set title "Average swaps / n, k = n, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average swaps / n"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/kn" \
+using 1:7 t "NormalSelect", \
+"" using 1:9 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/kn2/comp.gp b/lab3/zad2/gnuplot/kn2/comp.gp
new file mode 100644
index 0000000..0e80cb7
--- /dev/null
+++ b/lab3/zad2/gnuplot/kn2/comp.gp
@@ -0,0 +1,12 @@
+set title "Average comparisons, k = n / 2, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average comparisons"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/kn2" \
+using 1:2 t "NormalSelect", \
+"" using 1:4 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/kn2/comp_n.gp b/lab3/zad2/gnuplot/kn2/comp_n.gp
new file mode 100644
index 0000000..d8dc2ce
--- /dev/null
+++ b/lab3/zad2/gnuplot/kn2/comp_n.gp
@@ -0,0 +1,12 @@
+set title "Average comparisons / n, k = n / 2, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average comparisons / n"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/kn2" \
+using 1:6 t "NormalSelect", \
+"" using 1:8 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/kn2/swap.gp b/lab3/zad2/gnuplot/kn2/swap.gp
new file mode 100644
index 0000000..6def555
--- /dev/null
+++ b/lab3/zad2/gnuplot/kn2/swap.gp
@@ -0,0 +1,12 @@
+set title "Average swaps, k = n / 2, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average swaps"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/kn2" \
+using 1:3 t "NormalSelect", \
+"" using 1:5 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/kn2/swap_n.gp b/lab3/zad2/gnuplot/kn2/swap_n.gp
new file mode 100644
index 0000000..f4b9a16
--- /dev/null
+++ b/lab3/zad2/gnuplot/kn2/swap_n.gp
@@ -0,0 +1,12 @@
+set title "Average swaps / n, k = n / 2, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average swaps / n"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/kn2" \
+using 1:7 t "NormalSelect", \
+"" using 1:9 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/kn4/comp.gp b/lab3/zad2/gnuplot/kn4/comp.gp
new file mode 100644
index 0000000..94909ea
--- /dev/null
+++ b/lab3/zad2/gnuplot/kn4/comp.gp
@@ -0,0 +1,12 @@
+set title "Average comparisons, k = n / 4, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average comparisons"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/kn4" \
+using 1:2 t "NormalSelect", \
+"" using 1:4 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/kn4/comp_n.gp b/lab3/zad2/gnuplot/kn4/comp_n.gp
new file mode 100644
index 0000000..52e40dc
--- /dev/null
+++ b/lab3/zad2/gnuplot/kn4/comp_n.gp
@@ -0,0 +1,12 @@
+set title "Average comparisons / n, k =  n / 4, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average comparisons / n"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/kn4" \
+using 1:6 t "NormalSelect", \
+"" using 1:8 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/kn4/swap.gp b/lab3/zad2/gnuplot/kn4/swap.gp
new file mode 100644
index 0000000..22d103a
--- /dev/null
+++ b/lab3/zad2/gnuplot/kn4/swap.gp
@@ -0,0 +1,12 @@
+set title "Average swaps, k = n / 4, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average swaps"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/kn4" \
+using 1:3 t "NormalSelect", \
+"" using 1:5 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/gnuplot/kn4/swap_n.gp b/lab3/zad2/gnuplot/kn4/swap_n.gp
new file mode 100644
index 0000000..543f1f3
--- /dev/null
+++ b/lab3/zad2/gnuplot/kn4/swap_n.gp
@@ -0,0 +1,12 @@
+set title "Average swaps / n, k = n / 4, n ∈ {100, 200, ..., 50000}"
+set style data lines
+
+set xlabel "n"
+set ylabel "Average swaps / n"
+set term pdfcairo font "JetBrainsMono-NF,12"
+
+plot "./results/kn4" \
+using 1:7 t "NormalSelect", \
+"" using 1:9 t "RandomizedSelect"
+
+# vim: ft=gnuplot
diff --git a/lab3/zad2/plots/k1_comp.pdf b/lab3/zad2/plots/k1_comp.pdf
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