Added files

array.cpp

@@ -0,0 +1,13 @@
+#include <iostream>
+
+
+using namespace std;
+
+int main(){
+  int a[] = {1, 2, 3, 4, 5};
+  int b[5];
+  for (auto c : b){
+    cout << c << endl;
+  }
+  return 0;
+}

excercise.cpp

@@ -0,0 +1,11 @@
+#include <iostream>
+
+int main(){
+  int values = 0, sum = 0;
+  std::cin >> values;
+  while (std::cin){
+    sum += values;
+  }
+  std::cout << sum << std::endl;
+  return 0;
+}

for.cpp

@@ -0,0 +1,10 @@
+#include <iostream>
+
+int main(){
+  int sum = 0;
+  for (int val = 1; val <= 10; ++val){
+    sum += val;
+  }
+  std::cout << sum << std::endl;
+  return 0;
+}

function.cpp

@@ -0,0 +1,28 @@
+#include <iostream>
+
+using namespace std;
+
+int factorial(int n){
+  if (n == 0){
+    return 1;
+  }
+
+  else{
+    int product = 1;
+    for (int i = n; i != 0; --i){
+      product *= i;
+    }
+    return product;
+  }
+}
+
+
+int main(){
+  int n;
+  while (cin >> n){
+    auto nFactorial = factorial(n);
+    cout << nFactorial << ' ';
+  }
+  cout << endl;
+  return 0;
+}

hello_world.cpp

@@ -0,0 +1,5 @@
+#include <iostream>
+int main()
+{
+  std::cout << "Hello, world!" << std::endl;
+}

if.cpp

@@ -0,0 +1,22 @@
+#include <iostream>
+
+int main(){
+  int currVal = 0, val = 0;
+  if (std::cin >> currVal) {
+    int cnt = 1;
+    while (std::cin >> val) {
+      if (val == currVal) {
+        ++cnt;
+      }
+      else {
+        std::cout << currVal << " occurs " << cnt
+        << " times" << std::endl;
+        currVal = val;
+        cnt = 1;
+      }
+    }
+    std::cout << currVal << " occurs " << cnt
+    << " times" << std::endl;
+  }
+  return 0;
+}

iterator.cpp

@@ -0,0 +1,18 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+int main(){
+  vector<int> ivec{1, 2, 3, 4, 5};
+  for (auto b = ivec.begin(); b != ivec.end(); ++b){
+    cout << *b << endl; // Bruk *-operatoren for å hente ut elementer
+  }
+  for (auto b = ivec.begin(); b != ivec.end(); ++b){
+    *b = 0;
+  }
+  for (auto b = ivec.begin(); b != ivec.end(); ++b){
+    cout << *b << endl;
+  }
+  return 0;
+}

pointer.cpp

@@ -0,0 +1,24 @@
+#include <iostream>
+
+using namespace std;
+
+int main(){
+  int ival = 42;
+  int *p = &ival; // p is a pointer and holds the address of ival by using the
+                  // &-operator
+
+  cout << *p << endl; // Yields the object which p points to by using the
+                      // *-operator (prints 42)
+
+  cout << p << endl; // Yields the address of ival
+
+  *p = 0;            // We can assign a new value to ival by using *p
+
+  cout << ival << endl; // prints 0
+
+  int jval = 69;
+
+  p = &jval;         // p is now a pointer to jval
+
+  return 0;
+}

range_for.cpp

@@ -0,0 +1,12 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main(){
+  string str = "some string";
+  for (auto c : str){
+    cout << c << endl;
+  }
+  return 0;
+}

simple.cpp

@@ -0,0 +1,9 @@
+
+#include <iostream>
+int main()
+{
+  std::cout << "Enter two numbers:" << std::endl;
+  int v1 = 0, v2 = 0;
+  std::cin >> v1 >> v2;
+  std::cout << "The sum of " << v1 << " and " << v2 << " is " << v1 + v2 << std::endl;
+}

string.cpp

@@ -0,0 +1,12 @@
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main(){
+  string inputString, concatString;
+  while (getline(cin, inputString)){
+    concatString += (inputString + ' ');
+  }
+  cout << concatString << endl;
+}

test.cpp

@@ -0,0 +1,19 @@
+#include <iostream>
+#include <string>
+#include <vector>
+#include <cmath>
+#include <cctype>
+#include <array>
+#include <cstdlib>
+#include <cstdio>
+using namespace std;
+
+
+int main()
+{
+  const int n = 5;
+  double b[n] = {};
+
+  n = 2;
+  }
+}

vector.cpp

@@ -0,0 +1,13 @@
+#include <iostream>
+#include <vector>
+#include <string>
+using namespace std;
+
+int main(){
+  vector<int> v1, v2;
+  v1 = {1, 2, 3};
+  v2 = {1, 2, 3};
+  bool trueOrFalse = v1 == v2;
+  cout << trueOrFalse << endl;
+  return 0;
+}

while.cpp

@@ -0,0 +1,11 @@
+#include <iostream>
+
+int main(){
+  int sum = 0, val = 1;
+  while (val <= 10) {
+    sum += val;
+    ++val;
+  }
+  std::cout << "Sum of 1 to 10 inclusive is " << sum << std::endl;
+  return 0;
+}