#include <stdio.h> #include <limits.h> #include <stdbool.h> #define INF INT_MAX int minDistance(int dist[], bool sptSet[], int n) { int min = INF, min_index; for (int v = 0; v < n; v++) { if (sptSet[v] == false && dist[v] <= min) { min = dist[v]; min_index = v; } } return min_index; } void dijkstra(int graph[][5], int dist[], bool sptSet[], int n, int src) { for (int i = 0; i < n; i++) { dist[i] = INF; sptSet[i] = false; } dist[src] = 0; for (int count = 0; count < n - 1; count++) { int u = minDistance(dist, sptSet, n); sptSet[u] = true; for (int v = 0; v < n; v++) { if (!sptSet[v] && graph[u][v] && dist[u] != INF && dist[u] + graph[u][v] < dist[v]) { dist[v] = dist[u] + graph[u][v]; } } } } void printSolution(int dist[], int n) { printf("Vertex Distance from Source\n"); for (int i = 0; i < n; i++) { printf("%d \t\t %d\n", i, dist[i]); } } int main() { int graph[5][5] = { {0, 10, 0, 0, 0}, {0, 0, 5, 0, 0}, {0, 0, 0, 15, 0}, {0, 0, 0, 0, 20}, {0, 0, 0, 0, 0} }; int dist[5]; bool sptSet[5]; int n = 5; dijkstra(graph, dist, sptSet, n, 0); printSolution(dist, n); return 0; }