diff --git a/Laboratorium/20221012161651/kwadratowe.cpp b/Laboratorium/20221012161651/kwadratowe.cpp
new file mode 100644
index 0000000..bf8996e
--- /dev/null
+++ b/Laboratorium/20221012161651/kwadratowe.cpp
@@ -0,0 +1,10 @@
+#include <iostream>
+#include <cmath>
+
+int main(void)
+{
+	int a, b, c;
+	std::cin >> a >> b >> c;
+	double delta = b * b - 4 * (a * c);
+	std::cout << "x wynosi:" << (-1 * b - std::sqrt(delta)) / (2 * a) << " oraz " << (-1 * b + std::sqrt(delta)) / (2 * a) << std::endl;
+}
diff --git a/Laboratorium/20221012161651/liniowe.cpp b/Laboratorium/20221012161651/liniowe.cpp
new file mode 100644
index 0000000..9d8e8a4
--- /dev/null
+++ b/Laboratorium/20221012161651/liniowe.cpp
@@ -0,0 +1,7 @@
+#include <iostream>
+int main(void)
+{
+	int a,b,c;
+	std::cin >> a >> b >> c;
+	std::cout << (c - b ) / a << std::endl;
+}
diff --git a/Laboratorium/20221012161651/suma.cpp b/Laboratorium/20221012161651/suma.cpp
new file mode 100644
index 0000000..d60ddee
--- /dev/null
+++ b/Laboratorium/20221012161651/suma.cpp
@@ -0,0 +1,9 @@
+#include <iostream>
+int main()
+{
+	int a,b;
+	a = 42;
+	b = 7;
+	std::cout << a+b << std::endl;
+	return 0;
+}
diff --git a/Laboratorium/20221012161651/suma_input.cpp b/Laboratorium/20221012161651/suma_input.cpp
new file mode 100644
index 0000000..68b5ad8
--- /dev/null
+++ b/Laboratorium/20221012161651/suma_input.cpp
@@ -0,0 +1,9 @@
+#include <iostream>
+int main(void)
+{
+	int a,b;
+	std::cin >> a >> b;
+	std::cout << a+b << std::endl;
+	return 0;
+}
+
diff --git a/Laboratorium/20221012161651/uklad.cpp b/Laboratorium/20221012161651/uklad.cpp
new file mode 100644
index 0000000..dbfbb1d
--- /dev/null
+++ b/Laboratorium/20221012161651/uklad.cpp
@@ -0,0 +1,11 @@
+#include <iostream>
+int main(void)
+{
+	int x,y;
+	int a1, a2;
+	int b1, b2;
+	int c1, c2;
+
+	// here lies peter, he failed miserably.
+	// system of equations killed him rapidly.
+}