JB: exo wims math

test~coding~readingCppPrograms.fr/data/procedure_math_exam_1.cpp

+#include <iostream>
+
+using namespace std;
+
+void Blaise(int &acc, int n) {
+    acc = n * (n+1) / 2;
+}
+
+int main() {
+    int somme = 0;
+
+    Blaise(somme, 8);
+    cout << "Blaise dit que la somme est de : " << somme << endl;
+
+    return 0;
+}

test~coding~readingCppPrograms.fr/data/procedure_math_exam_2.cpp

+#include <iostream>
+#include <math.h>
+
+using namespace std;
+
+
+bool premier(int n) {
+
+    if (n % 2 == 0) return true;
+	for (int d = 3; floor(sqrt(n)+1); d=d+2)
+		if (n % d == 0)
+			return false;
+	return true;
+}
+
+int main() {
+
+    if (premier(21))
+    	cout << "Prim" << endl;
+    else
+    	cout << "Pas Prim" << endl;
+
+
+    return 0;
+}

test~coding~readingCppPrograms.fr/data/procedure_math_pratice_1.cpp

+#include <iostream>
+
+using namespace std;
+
+void Blaise(int &acc, int n) {
+    acc = n * (n+1) / 2;
+}
+
+int main() {
+    int somme = 0;
+
+    Blaise(somme, 8);
+    cout << "Blaise dit que la somme est de : " << somme << endl;
+
+    return 0;
+}
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