diff --git a/lv2/README.md b/lv2/README.md
index 225b776..c7729f5 100644
--- a/lv2/README.md
+++ b/lv2/README.md
@@ -1 +1,5 @@
-# marinlv2
\ No newline at end of file
+# lv zadatci
+
+ovaj projekt se **NE** kompajlira kao vs solucija, potrebno je (na windowsima) ga kompajlirati ovako:
+
+cl /EHsc /nologo /W4 1-raznostranican.cpp & 1-raznostranican.exe
\ No newline at end of file
diff --git a/lv2/marinlv2/1-pravokutan.cpp b/lv2/marinlv2/1-pravokutan.cpp
new file mode 100644
index 0000000..1c8db99
--- /dev/null
+++ b/lv2/marinlv2/1-pravokutan.cpp
@@ -0,0 +1,11 @@
+#include <iostream>
+
+int main()
+{
+    float k1, k2;
+    std::cout << "unesi 2 katete: ";
+    std::cin >> k1 >> k2;
+    std::cout << "Hipotenuza je: " << sqrt(pow(k1, 2) + pow(k2, 2));
+    std::cout << "povrsina je: " << (k1 * k2) / 2;
+}
+
diff --git a/lv2/marinlv2/1-raznostranican.cpp b/lv2/marinlv2/1-raznostranican.cpp
new file mode 100644
index 0000000..0107e9d
--- /dev/null
+++ b/lv2/marinlv2/1-raznostranican.cpp
@@ -0,0 +1,12 @@
+#include <iostream>
+
+//heron: https://en.wikipedia.org/wiki/Heron%27s_formula
+//glasi: a=sqrt(s(s-a)(s-b)(s-c))
+//operatori: *,/,sqrt 
+int main() {
+	double s1, s2, s3;
+	std::cout << "unesi 3 stranice:";
+	std::cin >> s1 >> s2 >> s3;
+	std::cout << "povrsina je: " << (s1 + s2 + s3) / 2;
+
+}
\ No newline at end of file
diff --git a/lv2/marinlv2/1-raznostranican.exe b/lv2/marinlv2/1-raznostranican.exe
new file mode 100644
index 0000000..64ac29b
Binary files /dev/null and b/lv2/marinlv2/1-raznostranican.exe differ
diff --git a/lv2/marinlv2/1.exe b/lv2/marinlv2/1.exe
new file mode 100644
index 0000000..e7d98e8
Binary files /dev/null and b/lv2/marinlv2/1.exe differ
diff --git a/lv2/marinlv2/2.cpp b/lv2/marinlv2/2.cpp
new file mode 100644
index 0000000..4705c67
--- /dev/null
+++ b/lv2/marinlv2/2.cpp
@@ -0,0 +1,5 @@
+#include <iostream>
+
+int main() {
+
+}
\ No newline at end of file
diff --git a/lv2/marinlv2/loto.cpp b/lv2/marinlv2/loto.cpp
new file mode 100644
index 0000000..f7ccb5c
--- /dev/null
+++ b/lv2/marinlv2/loto.cpp
@@ -0,0 +1,33 @@
+#include <iostream>
+#include <string>
+
+const int BROJEVA = 7;
+int izracunaj_dzoker(int arr[]) {
+	std::string fin = "";
+	for (int i = 0; i < BROJEVA-1; i++) {
+		fin+=(std::to_string(arr[i] % 10));
+	}
+	//std::reverse(fin.begin(), fin.end());
+	return std::stoi(fin);
+}
+
+
+
+
+
+int main() {
+	int zbroj_jedinica = 0;
+	int brojevi[BROJEVA] = { 0 };
+	std::cout << "unesi 7 brojeva lota" << std::endl;
+	for (int i = 0; i < BROJEVA; i++) {
+		std::cin >> brojevi[i];
+		//racunam odma, ne trebaju mi ostali prije nego sto izracunam
+		if (i == BROJEVA - 1) continue;
+		zbroj_jedinica += brojevi[i] % 10;
+	}
+	std::cout << zbroj_jedinica << std::endl;
+	
+	std::cout << izracunaj_dzoker(brojevi)%101 << std::endl;
+	
+}
+
diff --git a/lv2/marinlv2/loto.exe b/lv2/marinlv2/loto.exe
new file mode 100644
index 0000000..21fa944
Binary files /dev/null and b/lv2/marinlv2/loto.exe differ
diff --git a/lv2/marinlv2/marinlv2.vcxproj b/lv2/marinlv2/marinlv2.vcxproj
index 77a26ee..6a2d397 100644
--- a/lv2/marinlv2/marinlv2.vcxproj
+++ b/lv2/marinlv2/marinlv2.vcxproj
@@ -127,7 +127,11 @@
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
-    <ClCompile Include="marinlv2.cpp" />
+    <ClCompile Include="1-pravokutan.cpp" />
+    <ClCompile Include="1-raznostranican.cpp" />
+    <ClCompile Include="2.cpp" />
+    <ClCompile Include="loto.cpp" />
+    <ClCompile Include="pocetak.cpp" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
diff --git a/lv2/marinlv2/marinlv2.vcxproj.filters b/lv2/marinlv2/marinlv2.vcxproj.filters
index ee2f87e..a9b5ba3 100644
--- a/lv2/marinlv2/marinlv2.vcxproj.filters
+++ b/lv2/marinlv2/marinlv2.vcxproj.filters
@@ -15,7 +15,19 @@
     </Filter>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="marinlv2.cpp">
+    <ClCompile Include="pocetak.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="1-pravokutan.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="2.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="1-raznostranican.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="loto.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
   </ItemGroup>
diff --git a/lv2/marinlv2/marinlv2.cpp b/lv2/marinlv2/pocetak.cpp
similarity index 71%
rename from lv2/marinlv2/marinlv2.cpp
rename to lv2/marinlv2/pocetak.cpp
index 0575222..d158a20 100644
--- a/lv2/marinlv2/marinlv2.cpp
+++ b/lv2/marinlv2/pocetak.cpp
@@ -1,8 +1,4 @@
-// marinlv2.cpp : This file contains the 'main' function. Program execution begins and ends there.
-//
-
-#include <iostream>
-
+
 /*
 1. Nabrojite pet različitih jednostavnih tipova podataka u C++ programskom jeziku.:
 void, int, double, float, long
@@ -28,14 +24,3 @@ sqrt, +, /
 */
 
 
-
-
-int main()
-{
-    float k1, k2;
-    std::cout << "unesi 2 katete: ";
-    std::cin >> k1 >> k2;
-    std::cout << "Hipotenuza je: " << sqrt(pow(k1, 2) + pow(k2, 2));
-    
-}
-