Viktor Borodin - lab1 tasks1-9

task1.c

@@ -0,0 +1,91 @@
+#include <stdio.h>
+#include <math.h>
+
+int main()
+{
+/*
+    int x = 2;
+    int y = 31;
+
+    int z = x + y;
+
+    printf("z=%d \n", z);
+
+    float x1 = 0.0001f;
+    double x2 = 1e-4;
+    long double x3 = pow(10,-4);
+    // 4.33E5,π,e,√5,ln(100)
+    double y1 = 4.33e5;
+    double pi1 = M_PI;
+    double eee = M_E;
+    double e2 = exp(1);
+    double s5 = sqrt(5);
+    double l2 = log(100);
+
+    printf("%.4f %.4lf %.4Lf\n",x1,x2,x3);
+*/
+//
+//    int a;
+//
+//    scanf("%d",&a);
+//
+//    if(a<0 || a>9){
+//        printf("a=%d -is not a digit!",a);
+//        return 0;
+//    }
+//
+//    printf(" %d-%d-%d\n%d|%d|%d\n%d-%d-%d\n", a,a,a,a,a,a,a,a,a);
+//
+
+/*
+    double m1,m2,r;
+
+    printf("m1=");
+    scanf("%lf",&m1);
+
+    printf("m2=");
+    scanf("%lf",&m2);
+
+    printf("r=");
+    scanf("%lf",&r);
+
+    long double gamma = 6.673e-11L;
+
+    long double F = gamma * m1 * m2 / (r*r);
+
+    printf("F = %Le, F = %Lf\n", F,F);
+  */
+
+  // task 5g
+  /*int x = 2;
+  int x1 = x * x; //x^2
+  int x2 = x1 * x; //x^3
+  int x3 = x2 * x2; //x^6
+  int x4 = x3 * x3; //x^12
+  int x5 = x4 * x2;*/
+
+//
+//  double w;
+//  printf("Input real x=");
+//  scanf("%lf",&w);
+//
+//  int w1 = (int) w;
+//  int w2 = floor(w);
+//  int w3 = ceil(w);
+//  int w4 = round(w);
+//
+//
+//  printf("%d %d %d %d\n" ,w1,w2,w3,w4);
+//
+
+  // y =x^15 -  5 mults
+
+  double x,y;
+  scanf("%lf %lf",&x, &y);
+  //scanf("%lf",&y);
+  printf("%lf %le",(x+y)/2, 2/(1/x + 1/y));
+
+
+}
+
+