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From Amarnath, 1 Year ago, written in C.
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  1. #include<stdio.h>
  2. #define V 5
  3.  
  4. int findmin(int graph[V][V], int visited[V], int ptr){
  5.     int min = 10000;
  6.     int pos = ptr;
  7.     for(int i=0; i<V; i++){
  8.         if(graph[ptr][i] < min && graph[ptr][i] > 0 && visited[i] == 0){
  9.             min = graph[ptr][i];
  10.             pos = i;
  11.         }
  12.     }
  13.     return pos;
  14.  
  15. }
  16. void trace(int graph[V][V], int visited[V], int ptr, int dest){
  17.     int pos = findmin(graph, visited, ptr);
  18.     printf("pos = %d", pos);
  19.     visited[pos] = 1;
  20.     ptr = pos;
  21.     if(ptr == dest){
  22.         return;
  23.     }
  24.     trace(graph, visited, ptr, dest);
  25.    
  26. }
  27. void display(int graph[V][V], int visited[V]){
  28.     for(int i=0; i<V; i++){
  29.         for(int j=0; j<V; j++){
  30.  
  31.             printf("%d ", graph[i][j]);
  32.         }
  33.         printf("\n");
  34.     }
  35.     printf("Visited ");
  36.     for(int i=0; i<V; i++){
  37.         printf("%d ", visited[i]);
  38.     }
  39.  
  40. }
  41. int main(){
  42.     int graph[V][V] = {{0, 4, -1, -1, 8}, {0, 0, 8, -1, 11}, {0, 0, 0, 2, -1},{0,0,0,0,7}, {0,0,0,0,0}};
  43.     int visited[V] = {0, 0, 0, 0, 0};
  44.     int st = 0;
  45.     int dest = 3;
  46.     display(graph, visited);
  47.     trace(graph, visited, st, dest);
  48.     return 0;
  49. }

Replies to Greedy Approach rss

Title Name Language When
Re: Greedy Approach Whipped Dove c 1 Year ago.
Edited Code Amarnath c 1 Year ago.