consolidate all repos to one for archive

semester_1/programiranje_1/Vaje/Vaja_5/Ulomki/main.cpp

@@ -0,0 +1,90 @@
+#include <iostream>
+#include <cmath>
+using namespace std;
+
+int deljivost(int a, int b){
+    for(int i=2;i<=a;i++){
+        if(a % i==0 && b % i == 0){
+            return i;
+        }
+    }
+    return 0;
+}
+
+int main(){
+    int a, b, c, d, operacija;
+    int negativnost = 0;
+    int x=0, y=0, q=0, z=0;
+
+//vpis
+    cout << "a/b operator c/d" << endl;
+    cout << "vpisi a";
+    cin >> a;
+    cout << "vpisi b";
+    cin >> b;
+    cout << "vpisi c";
+    cin >> c;
+    cout << "vpisi d";
+    cin >> d;
+    cout << "1 = +\n"
+            "2 = -\n"
+            "3 = *\n"
+            "4 = /\n";
+    cin >> operacija;
+
+//izračunaj
+    switch (operacija){
+    case 1:
+        x = (a*d)+(c*b);
+        y = b*d;
+        break;
+    case 2:
+        x = (a*d)-(c*b);
+        y = b*d;
+        break;
+    case 3:
+        x = a*c;
+        y = b*d;
+        break;
+    case 4:
+        x = a*d;
+        y = b*c;
+    }
+
+//negativnost
+    if(x<0 && y<0){
+        negativnost = 0;
+        x = abs(x);
+        y = abs(y);
+    }else if(x<0 && y>=0){
+        negativnost = 1;
+        x = abs(x);
+        y = abs(y);
+    }else if(x>=0 && y<0){
+        negativnost = 1;
+        x = abs(x);
+        y = abs(y);
+    }else{
+        negativnost = 0;
+    }
+
+// okrajsa ulomek
+    z = deljivost(x,y);
+    while(z>0){
+        x = x/z;
+        y = y/z;
+        z = deljivost(x,y);
+    }
+
+//izpostavi
+    q = x/y;
+    x = x-(q*y);
+
+//izpisi
+    cout << "Rezultat je: ";
+    if(negativnost == 1){cout << "-";}
+    if(q>0){cout << q << " ";}
+    if(x>0){cout << x << "/" << y;}
+    cout << endl;
+    return 0;
+}