int stairs(int n){
//int ways =0;
if(n == 0){
return 1;
}
else if(n < 0){
return 0;
}
else{
//ways = ways + stairs(n-1);
//ways = ways + stairs(n-2);
return stairs(n-1) + stairs(n-2);
}
}
void main(){
int n, ways;
printf("Enter no. of Stairs :\n");
scanf("%d",&n);
ways = stairs(n);
printf("No of ways to climb %d steps: %d\n", n, ways);
}
int main(int argc, char *argv[])
{
unsigned int steps = atoi(argv[1]);
unsigned int depth = atoi(argv[2]);
unsigned int riser = atoi(argv[3]);
stairs(steps, depth, riser);
return 0;
}
int main(int argc, char *argv[])
{
loginit(NULL);
if (argc < 4)
fatal("Expected 3 arguments");
parseargs(argc, argv);
rng(&r);
int w = strtol(argv[1], NULL, 10);
int h = strtol(argv[2], NULL, 10);
int d = strtol(argv[3], NULL, 10);
Lvl *lvl = lvlnew(d, w, h, 0);
unsigned int x0 = 2, y0 = 2;
if (randstart) {
x0 = rnd(1, w-2);
y0 = rnd(1, h-2);
}
mvsinit();
do{
init(lvl);
if (addwater)
water(lvl);
Loc loc = (Loc) { x0, y0, 0 };
Path *p = pathnew(lvl);
pathbuild(lvl, p, loc);
pathfree(p);
morereach(lvl);
closeunits(lvl);
}while(closeunreach(lvl) < lvl->w * lvl->h * lvl->d * 0.40);
stairs(&r, lvl, x0, y0);
bool foundstart = false;
for (int x = 0; x < w; x++) {
for (int y = 0; y < h; y++) {
if (blk(lvl, x, y, 0)->tile == 'u' || blk(lvl, x, y, 0)->tile == 'U') {
foundstart = true;
break;
}
}
}
assert(foundstart);
lvlwrite(stdout, lvl);
lvlfree(lvl);
return 0;
}
int main() {
input();
visited[loc] = 1;
enqueue(loc);
stairs();
if (visited[goal] == 0) {
printf("use the stairs");
}
else
printf("%d", save-1);
}
void PointCloudModelGenerator::generate(
const std::string& model_name,
pcl::PointCloud<PointT>& output,
double hole_rate)
{
output.points.clear();
if (model_name == "flat") {
flat(output, hole_rate);
}
else if (model_name == "stairs") {
stairs(output, hole_rate);
}
else if (model_name == "hills") {
hills(output, hole_rate);
}
else if (model_name == "gaussian") {
gaussian(output, hole_rate);
}
else if (model_name == "flat_pole") {
flatPole(output, hole_rate);
}
}
int main ( int argc, char** argv ){
if ( SDL_Init( SDL_INIT_EVERYTHING ) < 0 ) {
printf( "Unable to init SDL: %s\n", SDL_GetError() );
return 1;
}
// make sure SDL cleans up before exit
atexit(SDL_Quit);
// create a new window
screen = SDL_SetVideoMode(900, 600, 8, SDL_HWSURFACE|SDL_DOUBLEBUF);
if ( !screen ) {
printf("Unable to set 640x480 video: %s\n", SDL_GetError());
return 1;
}
Fleet f;
Bullet b3;
f.asignBullet(&b3);
Barrier bar1(000,98,1);
/* Barrier bar2(000,200,1);
Barrier bar3(000,300,1);
Barrier bar4(000,400,0);
Barrier bar5(000,500,0);
Barrier bar6(000,599,0);*/
Ship s2;
s2.position( (GAME_W /2) + 100 ,GAME_H-30);
//s2.setMode(2);
Bullet b2;
b2.setDownOrientation();
s2.asignBullet(&b2);
Ship s1;
//s1.setMode(1);
s1.position( (GAME_W / 2)- 100 , GAME_H-30);
Bullet b1;
s1.asignBullet(&b1);
SideBar sb;
actors.push_back(&b1);
actors.push_back(&b2);
// actors.push_back(&b3);
// actors.push_back(&f);
actors.push_back(&bar1);
Bonus bonus;
actors.push_back(&bonus);
actors.push_back(&sb);
Stairs stairs(160,98,1);
actors.push_back(&stairs);
actors.push_back(&s1);
actors.push_back(&s2);
Uint8 * keystate;
bool done = false;
while (!done)
{
//Start the frame timer
fps.start();
keystate = SDL_GetKeyState(NULL);
if(keystate[SDLK_LEFT]) {
//if(!s1.climbing){
s1.moveLeft();
//}
}
if(keystate[SDLK_RIGHT]) {
s1.moveRight();
}
if(keystate[SDLK_UP]) {
int collided = 0;
if(s1.onGround){
for (int i=0; i<Stairs::SHIPS_QTY; i++) {
if (check_collision(s1.rect,stairs.rect[i])) {
s1.climbing = true;
s1.moveUp();
collided = 1;
//std::cout << "Climbing en true??" << s1.climbing << "\n";
}
}
if(!collided){
std::cout << "ELSEClimbing en true??" << s1.climbing << "\n";
s1.climbing= false;
s1.onGround = false;
/*std::cout << "stairs width " << stairs.rect[1].w << "\n";
std::cout << "stairs height " << stairs.rect[1].h << "\n";*/
}
}
}
if(keystate[SDLK_DOWN]) {
for (int i=0; i<Stairs::SHIPS_QTY; i++) {
if (check_collision(s1.rect,stairs.rect[i])) {
SDL_Rect * r;
r = bar1.getNextBaseFloor(stairs.rect[i].y+stairs.rect[i].h);
std::cout << "Recta a chequear <<<<<<< " << r->y << " \n";
if(s1.rect.y+s1.rect.h >= r->y){
std::cout << "Entra al if " << " \n";
s1.onGround = false;
s1.climbing = false;
} else{
s1.climbing = true;
//S1.climbingDown = true;
s1.moveDown();
}
//std::cout << "Climbing en true??" << s1.climbing << "\n";
}else{
//std::cout << "Entra al else Climbing en true??" << s1.climbing << "\n";
//s1.climbing= false;
//s1.onGround = false;
}
}
}
if(keystate[SDLK_a]) {
s2.moveLeft();
}
if(keystate[SDLK_d]) {
s2.moveRight();
}
SDL_Event event;
while (SDL_PollEvent(&event))
{
// check for messages
switch (event.type)
{
// exit if the window is closed
case SDL_QUIT:
done = true;
break;
// check for keypresses
case SDL_KEYDOWN:
// exit if ESCAPE is pressed
if (event.key.keysym.sym == SDLK_ESCAPE) {
done = true;
}
if (event.key.keysym.sym == SDLK_w) {
s2.jump();
}
if (event.key.keysym.sym == SDLK_SPACE) {
s1.jump();
}
break;
} // end switch
}
// clear screen
SDL_FillRect(screen, 0, SDL_MapRGB(screen->format, 0, 0, 0));
for(std::vector<IActor*>::iterator it = actors.begin(); it != actors.end(); ++it) {
(*it)->blit();
}
if(!s1.climbing && !s1.onGround){
for (int i=0; i<Barrier::SHIPS_QTY; i++) {
if (check_collision(s1.rect,bar1.rect[i])) {
//s1.climbing = true;
//S1.climbingDown = true;
//std::cout << "Climbing en true??" << s1.climbing << "\n";
//s1.moveDown();
/* std::cout << "entra en collision con bar" << i << " \n";
std::cout << "climb" << s1.climbing << "\n";
std::cout << "onGround" << s1.onGround << "\n";
std::cout << "end col" << "\n";*/
s1.rect.y = bar1.rect[i].y-28;
s1.speedY = 0.0;
s1.onGround = true;
}
}
}
if(s1.climbing){
int collided = 0;
for (int i=0; i<Stairs::SHIPS_QTY; i++) {
if (check_collision(s1.rect,stairs.rect[i])) {
//s1.climbing = true;
//s1.moveUp();
collided = 1;
//std::cout << "Climbing en true??" << s1.climbing << "\n";
}
}
if(!collided){
//std::cout << "ELSEClimbing en true??" << s1.climbing << "\n";
s1.climbing= false;
s1.onGround = false;
//std::cout << "stairs width " << stairs.rect[1].w << "\n";
//std::cout << "stairs height " << stairs.rect[1].h << "\n";
}
}
for (int i=0; i<Stairs::SHIPS_QTY; i++) {
if (check_collision(bonus.rect,stairs.rect[i])) {
SDL_Rect * r;
r = bar1.getNextBaseFloor(stairs.rect[i].y+stairs.rect[i].h);
//std::cout << "Recta a chequear <<<<<<< " << r->y << " \n";
if(bonus.rect.y+bonus.rect.h > r->y){
//std::cout << "Entra al if " << " \n";
//s1.onGround = false;
bonus.climbing = false;
} else{
bonus.climbing = true;
//S1.climbingDown = true;
//s1.moveDown();
}
//std::cout << "Climbing en true??" << s1.climbing << "\n";
}else{
//std::cout << "Entra al else Climbing en true??" << s1.climbing << "\n";
//s1.climbing= false;
//s1.onGround = false;
}
}
SDL_Flip(screen);
//Cap the frame rate
if (fps.get_ticks() < 1000 / FRAMES_PER_SECOND) {
SDL_Delay( (1000 / FRAMES_PER_SECOND) - fps.get_ticks() );
}
}//end game loop
for(std::vector<IActor*>::iterator it = actors.begin(); it != actors.end(); ++it) {
(*it)->free();
}
printf("Exited cleanly\n");
return 0;
}
