Added code for replacing bestSolution so far with new one

supervisor.c

@@ -13,6 +13,8 @@ struct circ_buf *shared;
 
 struct sigaction sa;
 
+static int bestSolution[MAX_ITEMS] = {-1};
+
 static volatile sig_atomic_t quit = 0;
 
 static void sig_handler(int signum)
@@ -53,7 +55,44 @@ void getSolution(sem_t sUsedSpace, sem_t sFreeSpace, int *solution)
 		}
 	}
 
-	// Code for testing wether new solution is better than old
+	// Code for testing if new solution is better than old
+	int bestSolutionLength = 0;
+	int newSolutionLength = 0;
+
+	for (int i = 0; i < MAX_ITEMS; i++) {
+		if ((bestSolution[i] == -1) && (i != 0)) {
+			bestSolutionLength = i+1;
+			break;
+		}
+	}
+	for (int i = 0; i < MAX_ITEMS; i++) {
+		if ((solution[i] == -1) && (i != 0)) {
+			newSolutionLength = i+1;
+			break;
+		}
+	}
+
+	if (newSolutionLength == 0) {
+		printf("[%s] The graph is acyclic!\n", pname);
+		return;
+	}
+
+	if (newSolutionLength < bestSolutionLength) {
+		// Set all entries of bestSolution to -1
+		for (int i = 0; i < bestSolutionLength; i++) {
+			bestSolution[i] = -1;
+		}
+		// Copy all entries from solution to bestSolution
+		for (int i = 0; i < newSolutionLength; i++) {
+			bestSolution[i] = solution[i];
+		}
+
+		printf("[%s] Solution with %d edges:", pname, newSolutionLength/2);
+		for (int i = 0; i < newSolutionLength; i += 2) {
+			printf(" %d-%d", bestSolution[i], bestSolution[i+1]);
+		}
+		printf("\n");
+	}
 }
 
 int main(int argc, char *argv[])