#include <cmath>
#include <algorithm>
#include <emscripten.h>

extern "C" {

int EMSCRIPTEN_KEEPALIVE check_if(int x) {
  if (x < 10) x++;
  return x;
}

int EMSCRIPTEN_KEEPALIVE check_loop(int x) {
  while (x < 100) x *= 2;
  return x;
}

int EMSCRIPTEN_KEEPALIVE check_loop_break(int x) {
  while (x < 100) {
    x *= 2;
    if (x > 30) break;
    x++;
  }
  return x;
}

int EMSCRIPTEN_KEEPALIVE check_loop_continue(int x) {
  while (x < 100) {
    x *= 2;
    if (x > 30) continue;
    x++;
  }
  return x;
}

int EMSCRIPTEN_KEEPALIVE check_do_loop(int x) {
  do {
    x *= 2;
    if (x > 1000) break;
    x--;
    if (x > 30) continue;
    x++;
  } while (x < 100);
  return x;
}

int EMSCRIPTEN_KEEPALIVE check_do_once(int x) {
  do {
    x *= 2;
    if (x > 1000) break;
    x--;
    if (x > 30) continue;
    x++;
  } while (0);
  return x;
}

int EMSCRIPTEN_KEEPALIVE check_while_forever(int x) {
  while (1) {
    x *= 2;
    if (x > 1000) break;
    x--;
    if (x > 30) continue;
    x++;
  }
  return x;
}

}