Create November-26.c

Author: Hunterdii

November 2024 GFG SOLUTION/November-26.c

@@ -0,0 +1,81 @@
+//{ Driver Code Starts
+// Initial Template for C
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+// } Driver Code Ends
+// User function Template for C
+
+// Function to find the maximum circular subarray sum.
+int max(int a, int b) {
+    return a > b ? a : b;
+}
+
+int min(int a, int b) {
+    return a < b ? a : b;
+}
+
+int circularSubarraySum(int arr[], int n) {
+    int total_sum = 0, max_sum = INT_MIN, min_sum = INT_MAX;
+    int curr_max = 0, curr_min = 0;
+    int all_negative = 1;
+
+    for (int i = 0; i < n; i++) {
+        total_sum += arr[i];
+
+        curr_max = max(arr[i], curr_max + arr[i]);
+        max_sum = max(max_sum, curr_max);
+
+        curr_min = min(arr[i], curr_min + arr[i]);
+        min_sum = min(min_sum, curr_min);
+
+        if (arr[i] > 0) all_negative = 0;
+    }
+
+    if (all_negative) return max_sum;
+
+    return max(max_sum, total_sum - min_sum);
+}
+
+
+
+//{ Driver Code Starts.
+
+int main() {
+    char ts[1001];
+    fgets(ts, sizeof(ts), stdin);
+    int t = atoi(ts);
+    while (t--) {
+        char *line = NULL;
+        size_t len = 0;
+        long read = getline(&line, &len, stdin);
+
+        int *nums = (int *)malloc(1000000 * sizeof(int));
+        int n = 0;
+        char *token = strtok(line, " ");
+        while (token != NULL) {
+            nums[n++] = atoi(token);
+            token = strtok(NULL, " "); // Get the next token
+        }
+        int arr[n];
+        for (int i = 0; i < n; i++) {
+            arr[i] = nums[i];
+        }
+        // char ch;
+        // scanf("%c", &ch);
+        // getchar();
+        // Check if the array is sorted using the previously defined function
+        int ans = circularSubarraySum(arr, n);
+        printf("%d\n", ans);
+
+        printf("%s\n", "~");
+        free(nums); // Free dynamically allocated memory for the nums array
+        free(line); // Free dynamically allocated memory for the input line
+    }
+
+    return 0; // Return 0 to indicate successful execution
+}
+// } Driver Code Ends