API tools faq
paste
Advertisement
Guest User

Untitled

a guest
Feb 21st, 2018
68
0
Never
Add comment
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
C++ 9.99 KB | None | 0 0
raw download clone embed print report
  1. #include <vector>
  2. #include <cstdio>
  3. #include <string>
  4. #include <algorithm>
  5.  
  6. using namespace std;
  7.  
  8. typedef struct rectangle{
  9.     int width,height;
  10.     bool horizontal,vertical,placed,first_placed_vertical,first_placed_horizontal;
  11.     int urc [2],ulc[2],brc[2],blc[2];
  12.  
  13.  
  14. }Rectangle;
  15.  
  16. typedef struct point{
  17.     int x,y,visited;
  18.  
  19. }Point;
  20.  
  21. bool check_intersection(Rectangle *array_rec,vector<Point> &possible_points,Point toplace,int rec,int orientation);
  22. bool place_rectangle(Rectangle *array_rec,vector<Point> &possible_points,Point toplace,int rec);
  23. int n_rectangles=0; /*nº de rectangulos no input*/
  24. long total_height=0,total_width=0;
  25. long area=0;
  26. bool solution(Rectangle *array_rec,vector<Rectangle> &array_col,int*solutions, long* area,vector<Point> &possible_points,vector <Point> &removed_points,int rec);
  27.  
  28. int main() {
  29.  
  30.     int solutions=0;
  31.     Rectangle* array_rec=new Rectangle[n_rectangles]; /* array que guarda as medidas de cada rectangulo*/
  32.     vector<Rectangle> array_col;
  33.     vector <Point> possible_points;
  34.     vector <Point> removed_points;
  35.     scanf("%d",&n_rectangles);
  36.     for(int i=0;i<n_rectangles;i++){
  37.         fscanf(stdin,"%d %d",&array_rec[i].width,&array_rec[i].height);
  38.         array_rec[i].placed=false;
  39.         array_rec[i].first_placed_vertical=false;
  40.         array_rec[i].first_placed_horizontal=false;
  41.         area += (array_rec[i].width * array_rec[i].height);
  42.     }
  43.     printf("Área Total:%ld\n",area);
  44.     solution(array_rec,array_col,&solutions,&area,possible_points,removed_points,0);
  45.     printf("%d",solutions);
  46.     return 0;
  47. }
  48.  
  49. void vertical_coordinates(Rectangle *array_rec,int sq,int blcx,int blcy) {
  50.     array_rec[sq].blc[0] = blcx;
  51.     array_rec[sq].blc[1] = blcy;
  52.     array_rec[sq].brc[0] = blcx+array_rec[sq].width;
  53.     array_rec[sq].brc[1] = blcy;
  54.     array_rec[sq].ulc[0] = blcx;
  55.     array_rec[sq].ulc[1] = blcy+array_rec[sq].height;
  56.     array_rec[sq].urc[0] = blcx+array_rec[sq].width;
  57.     array_rec[sq].urc[1] = blcy+array_rec[sq].height;
  58. }
  59.  
  60. void horizontal_coordinates(Rectangle *array_rec,int sq,int blcx,int blcy) {
  61.     array_rec[sq].blc[0] = blcx;
  62.     array_rec[sq].blc[1] = blcy;
  63.     array_rec[sq].brc[0] = blcx+array_rec[sq].height;
  64.     array_rec[sq].brc[1] = blcy;
  65.     array_rec[sq].ulc[0] = blcx;
  66.     array_rec[sq].ulc[1] = blcy+array_rec[sq].width;
  67.     array_rec[sq].urc[0] = blcx+array_rec[sq].height;
  68.     array_rec[sq].urc[1] = blcy+array_rec[sq].width;
  69. }
  70.  
  71. bool accept_solution(Rectangle* array_rec){
  72.  
  73.     for(int i=0;i<n_rectangles;i++){
  74.         if(!array_rec[i].placed){
  75.             return false;
  76.         }
  77.     }
  78.     return true;
  79. }
  80.  
  81. bool place_rectangle(Rectangle *array_rec,vector<Point> &possible_points,Point toplace,int rec){
  82.  
  83.     for(int x =0; x<(int)possible_points.size();x++){
  84.         if (possible_points[x].x==toplace.x && possible_points[x].y==toplace.y){
  85.             possible_points[x].visited+=1;
  86.         }
  87.     }
  88.     toplace.visited+=1;
  89.     printf("Rectangulo: %d\n",rec);
  90.     Rectangle aux_rec=array_rec[rec];
  91.     vertical_coordinates(array_rec, rec, toplace.x, toplace.y);
  92.     printf("To Place: %d %d\n", toplace.x, toplace.y);
  93.     if(check_intersection(array_rec,possible_points,toplace,rec,0)) {
  94.         Point ulc = {array_rec[rec].ulc[0], array_rec[rec].ulc[1],0};
  95.         Point brc = {array_rec[rec].brc[0], array_rec[rec].brc[1],0};
  96.         printf("Point ulc: %d %d Point brc: %d %d \n", ulc.x, ulc.y, brc.x, brc.y);
  97.         possible_points.push_back(ulc);
  98.         possible_points.push_back(brc);
  99.         for(int s=0;s<(int)possible_points.size();s++){
  100.             if(possible_points[s].x==toplace.x && possible_points[s].y==toplace.y){
  101.                 possible_points.erase(possible_points.begin()+s);
  102.             }
  103.         }
  104.         return true;
  105.     }
  106.     else {
  107.         printf("rodou\n");
  108.         printf("To Place Horiz: %d %d\n", toplace.x, toplace.y);
  109.         horizontal_coordinates(array_rec,rec,toplace.x,toplace.y);
  110.         if(check_intersection(array_rec,possible_points,toplace,rec,1)){
  111.  
  112.             Point ulc = {array_rec[rec].ulc[0], array_rec[rec].ulc[1],0};
  113.             Point brc = {array_rec[rec].brc[0], array_rec[rec].brc[1],0};
  114.             printf("Point ulc: %d %d Point brc: %d %d \n", ulc.x, ulc.y, brc.x, brc.y);
  115.             possible_points.push_back(ulc);
  116.             possible_points.push_back(brc);
  117.             for(int s=0;s<(int)possible_points.size();s++){
  118.                 if(possible_points[s].x==toplace.x && possible_points[s].y==toplace.y){
  119.                     possible_points.erase(possible_points.begin()+s);
  120.                 }
  121.             }
  122.  
  123.             return true;
  124.         }
  125.         array_rec[rec]=aux_rec;
  126.         return false;
  127.     }
  128. }
  129.  
  130. bool check_intersection(Rectangle *array_rec,vector<Point> &possible_points,Point toplace,int rec,int orientation){ /* orientation: 0 vertical 1 horizontal*/
  131.     for (int i = 0; i < (int) possible_points.size(); i++) {
  132.         if(orientation==0) {
  133.             if (toplace.x + array_rec[rec].width < possible_points[i].x && toplace.y + array_rec[rec].height < possible_points[i].y) {
  134.                 printf("false intercestion\n");
  135.                 return false;
  136.             }
  137.         }
  138.         else{
  139.             if (toplace.x + array_rec[rec].height < possible_points[i].x && toplace.y + array_rec[rec].width < possible_points[i].y) {
  140.                 printf("false intercestion\n");
  141.                 return false;
  142.             }
  143.         }
  144.  
  145.     }
  146.     long auxtotal_width=total_width;
  147.     long auxtotal_height=total_height;
  148.     if(total_height<array_rec[rec].ulc[1]){
  149.         auxtotal_height=array_rec[rec].ulc[1];
  150.     }
  151.  
  152.     if(total_width<array_rec[rec].brc[0]) {
  153.         auxtotal_width =array_rec[rec].brc[0];
  154.     }
  155.     printf("w %ld h %ld\n",auxtotal_width,auxtotal_height);
  156.     if((auxtotal_width)*auxtotal_height<=area){
  157.         total_width=auxtotal_width;
  158.         total_height=auxtotal_height;
  159.         return true;
  160.     }
  161.     else{
  162.         printf("false area \n");
  163.  
  164.         return false;
  165.     }
  166.  
  167. }
  168.  
  169. bool check_all_placed(Rectangle *array_rec){
  170.     int placed=0;
  171.     for(int i=0;i<n_rectangles;i++){
  172.         if(array_rec[i].placed){
  173.             placed++;
  174.         }
  175.     }
  176.     if(placed==n_rectangles){
  177.         return true;
  178.     }
  179.     else{
  180.         return false;
  181.     }
  182. }
  183.  
  184. bool all_rectangle_tested(Point point,vector<Rectangle> &array_col){
  185.     printf("Visitados do ponto %d %d: %d\n",point.x,point.y,point.visited);
  186.     if(point.visited==(n_rectangles-(int)array_col.size())){
  187.         printf("ALL TESTED TRUE %d %d\n",point.x,point.y);
  188.  
  189.         return  true;
  190.     }
  191.     printf("ALL FALSE %d %d\n",point.x,point.y);
  192.  
  193.     return false;
  194.  
  195. }
  196. bool solution(Rectangle *array_rec,vector<Rectangle> &array_col,int*solutions, long* area,vector<Point> &possible_points,vector <Point> &removed_points,int rec){
  197.     if(check_all_placed(array_rec)){ /*Solução encontrada*/
  198.         *solutions+=1;
  199.         possible_points.clear(); /*Reset */
  200.         array_col.clear();
  201.         for(int r=0;r<n_rectangles;r++){
  202.             array_rec[r].placed=false;
  203.         }
  204.         for(int j=0;j<n_rectangles;j++){
  205.             if(!array_rec[j].first_placed_vertical){
  206.                 array_rec[j].first_placed_vertical=true;
  207.                 printf("chamou func 0\n");
  208.                 return solution(array_rec,array_col,solutions,area,possible_points,removed_points,j);
  209.             }
  210.         }
  211.         return false;
  212.  
  213.     }
  214.  
  215.     if(rec==n_rectangles){
  216.         rec=0;
  217.         printf("chamou func 2\n");
  218.         return solution(array_rec,array_col,solutions,area,possible_points,removed_points,rec);
  219.     }
  220.  
  221.     if(array_rec[rec].placed){
  222.         printf("chamou func 3\n");
  223.         return solution(array_rec,array_col,solutions,area,possible_points,removed_points,rec+1);
  224.     }
  225.  
  226.     if(possible_points.empty()){
  227.         Point point={0,0};
  228.         place_rectangle(array_rec,possible_points,point,rec);
  229.         array_rec[rec].placed=true;
  230.         array_col.push_back(array_rec[rec]);
  231.         printf("chamou func 4\n");
  232.         return solution(array_rec,array_col,solutions,area,possible_points,removed_points,rec+1);
  233.     }
  234.     else{
  235.         int processed_points=0;
  236.         for(int i=0;i<(int)possible_points.size();i++){
  237.             if(place_rectangle(array_rec,possible_points,possible_points[i],rec)){
  238.                 array_rec[rec].placed=true;
  239.                 array_col.push_back(array_rec[rec]);
  240.                 printf("chamou func 5\n");
  241.                 return solution(array_rec,array_col,solutions,area,possible_points,removed_points,rec+1);
  242.  
  243.             }
  244.             else{
  245.                 processed_points++;
  246.                 if(all_rectangle_tested(possible_points[i],array_col)){
  247.                     removed_points.push_back(possible_points[i]);
  248.                     possible_points.erase(possible_points.begin()+i);
  249.                     array_rec[rec].placed=false;
  250.                     printf("chamou func 6\n");
  251.                     return solution(array_rec,array_col,solutions,area,possible_points,removed_points,rec);
  252.  
  253.                 }
  254.  
  255.             }
  256.         }
  257.         if(processed_points==(int)possible_points.size()){
  258.             for(int l=0;l<(int)removed_points.size();l++) {
  259.                 if (array_rec[rec].blc[0]==removed_points[l].x && array_rec[rec].blc[1]==removed_points[l].y && array_rec[rec].placed){
  260.                     if(!all_rectangle_tested(removed_points[l],array_col)){
  261.                         printf("TODOS TESTADOS NO PONTO %d %d\n",removed_points[l].x,removed_points[l].y);
  262.                         possible_points.push_back(removed_points[l]);
  263.                     }
  264.                 }
  265.             }
  266.                 for(int k=0;k<n_rectangles;k++){
  267.                 if(array_rec[k].blc==array_col.back().blc){
  268.                     array_rec[k].placed=false;
  269.                 }
  270.             }
  271.             array_col.pop_back();
  272.             printf("chamou func 7\n");
  273.             return solution(array_rec,array_col,solutions,area,possible_points,removed_points,rec);
  274.  
  275.         }
  276.     }
  277.     return false;
  278. }
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement
Public Pastes
Advertisement
We use cookies for various purposes including analytics. By continuing to use Pastebin, you agree to our use of cookies as described in the Cookies Policy.  OK, I Understand
Not a member of Pastebin yet?
Sign Up, it unlocks many cool features!