Rsa97

#include <stdio.h>
#include <math.h>

double f(x) {
  double x2 = x * x;
  return x2 * x2 + 2 * sin(x2);
}

double f1(z) {
  return sin(z) + tg(z);
}

double f2(z) {
  double cz = cos(z);
  return cz * cz * cz + 3/z;
}

double f3(z) {
  double z2 = z * z;
  return z2 + log(z);
}

int main() {
  double c = 3.2;
  double z = cos(c);
  double x;
  if (z < 0) {
    x = f1(z);
  } else if (z < 8) {
    x = f2(z);
  } else {
    x = f3(z);
  }
  double result = f(x);
  printf('%f\n', result);
}

int n1 = 5, n2 = 5;
int a1[10] = {1, 4, 9, 12, 54};
int a2[] = {99, 17, 9, 8, 4};
int i1 = 0, i2 = n2-1, i = n1+n2-1;
while (i >= 0) {
  if (i1 > n1-1) {
    a1[i--] = a2[i2--];
  } else if (i2 < 0) {
    i = -1;
  } else if (a1[i1] < a2[i2]) {
    a1[i--] = a1[i1++];
  } else {
    a1[i--] = a2[i2--];
  }
}