int NumberOf1Between1AndN_Solution(int n)
{
if (n == 0)
return 0;
int result = n / 10;
if (result * 10 < n)
result++;
int i = 1;
while (n > maxnum(i)){
int large = powerof(10, i + 1);
int small = powerof(10, i);
int left = n / large;
result += left * small;
if (left * large + small <= n){
int view;
if (n < left * large + 2 * small)
view = (n % small) + 1;
else
view = small;
result += view;
}
i++;
}
return result;
}
int ast_register_translator(struct ast_translator *t)
{
char tmp[80];
t->srcfmt = powerof(t->srcfmt);
t->dstfmt = powerof(t->dstfmt);
if (t->srcfmt >= MAX_FORMAT) {
ast_log(LOG_WARNING, "Source format %s is larger than MAX_FORMAT\n", ast_getformatname(t->srcfmt));
return -1;
}
if (t->dstfmt >= MAX_FORMAT) {
ast_log(LOG_WARNING, "Destination format %s is larger than MAX_FORMAT\n", ast_getformatname(t->dstfmt));
return -1;
}
calc_cost(t,1);
if (option_verbose > 1)
ast_verbose(VERBOSE_PREFIX_2 "Registered translator '%s' from format %s to %s, cost %d\n", term_color(tmp, t->name, COLOR_MAGENTA, COLOR_BLACK, sizeof(tmp)), ast_getformatname(1 << t->srcfmt), ast_getformatname(1 << t->dstfmt), t->cost);
ast_mutex_lock(&list_lock);
if (!added_cli) {
ast_cli_register(&show_trans);
added_cli++;
}
t->next = list;
list = t;
rebuild_matrix(0);
ast_mutex_unlock(&list_lock);
return 0;
}
/*! Build a set of translators based upon the given source and destination formats */
struct ast_trans_pvt *ast_translator_build_path(int dest, int source)
{
struct ast_trans_pvt *tmpr = NULL, *tmp = NULL;
source = powerof(source);
dest = powerof(dest);
while(source != dest) {
if (!tr_matrix[source][dest].step) {
/* We shouldn't have allocated any memory */
ast_log(LOG_WARNING, "No translator path from %s to %s\n",
ast_getformatname(source), ast_getformatname(dest));
return NULL;
}
if (tmp) {
tmp->next = malloc(sizeof(*tmp));
tmp = tmp->next;
} else
tmp = malloc(sizeof(*tmp));
if (!tmp) {
ast_log(LOG_WARNING, "Out of memory\n");
if (tmpr)
ast_translator_free_path(tmpr);
return NULL;
}
/* Set the root, if it doesn't exist yet... */
if (!tmpr)
tmpr = tmp;
tmp->next = NULL;
tmp->nextin = tmp->nextout = ast_tv(0, 0);
tmp->step = tr_matrix[source][dest].step;
tmp->state = tmp->step->newpvt();
if (!tmp->state) {
ast_log(LOG_WARNING, "Failed to build translator step from %d to %d\n", source, dest);
ast_translator_free_path(tmpr);
return NULL;
}
/* Keep going if this isn't the final destination */
source = tmp->step->dstfmt;
}
return tmpr;
}
int maxnum(int n)
{
int result = 0;
if (n > 0){
for (int i = 0; i < n; ++i)
result += 9 * powerof(10, i);
}
return result;
}
unsigned int powerof(unsigned int user_number,unsigned int a)
{
if(a<=0){return 1;}
else
{
answer=user_number*powerof(user_number,a-1);
return answer;
}
}
int main () {
int const a = 2;
int const b = 4;
int x = powerof(a, b);
float y = 3.1415;
std::cout << a << "^" << b << " = " << x << ";\n";
if (y == 3.1415)
std::cout << y << " is equal to 3.1415!\n";
else
std::cout << y << " is not equal to 3.1415!\n";
}
void main()
{
unsigned int user_number;
unsigned int a;
unsigned int ans;
printf("Please enter your number here\r\n");
scanf("%d",&user_number);
printf("how big do you want the power to be?\r\n");
scanf("%d",&a);
ans = powerof(user_number,a);
printf("\n %d to the power of %d = %d\r\n",user_number,a,ans);
}
int main() {
int x = 10;
int y = 3;
int res = powerof(x, y);
std::cout << x << " upphöjt till " << y << " är " << res << std::endl;
float z = 0.29;
int w = (int) (z * x * x);
if (z * x * x == 29)
std::cout << z << "*" << x * x << " är 29" << std::endl;
else
std::cout << z << "*" << x * x << " är inte 29" << std::endl;
}