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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. #define MAX 100
  5.  
  6. /* ---------- Complaint structure ---------- */
  7. typedef struct {
  8.     int  id;                 // Unique ID (1..N)
  9.     char studentID[20];      // Student ID
  10.     char name[50];           // Name or "Anonymous"
  11.     char department[30];     // Department
  12.     char message[200];       // Complaint text
  13.     int  resolved;           // 0 = Pending, 1 = Resolved
  14.     char solution[200];      // Solution description
  15. } Complaint;
  16.  
  17. Complaint complaints[MAX];
  18. int count = 0;
  19.  
  20. /* ---------- Helper: trim trailing newline ---------- */
  21. void trimNewline(char *s) { s[strcspn(s, "\n")] = '\0'; }
  22.  
  23. /* ---------- 1. Submit Complaint ---------- */
  24. void addComplaint(void) {
  25.     if (count >= MAX) { puts("⚠️  Complaint list is full!"); return; }
  26.     getchar();                             // flush leftover newline
  27.  
  28.     complaints[count].id = count + 1;      // unique ID
  29.  
  30.     printf("Student ID          : ");
  31.     fgets(complaints[count].studentID, sizeof(complaints[count].studentID), stdin);
  32.     trimNewline(complaints[count].studentID);
  33.  
  34.     printf("Department (CSE/EEE/Admin): ");
  35.     fgets(complaints[count].department, sizeof(complaints[count].department), stdin);
  36.     trimNewline(complaints[count].department);
  37.  
  38.     char anon;
  39.     printf("Do you want to keep your name anonymous? (Y/N): ");
  40.     scanf(" %c", &anon);                   // space before %c skips whitespace
  41.     getchar();                             // consume newline
  42.  
  43.     if (anon == 'Y' || anon == 'y') {
  44.         strcpy(complaints[count].name, "Anonymous");
  45.     } else {
  46.         printf("Your Name          : ");
  47.         fgets(complaints[count].name, sizeof(complaints[count].name), stdin);
  48.         trimNewline(complaints[count].name);
  49.     }
  50.  
  51.     printf("Complaint message   : ");
  52.     fgets(complaints[count].message, sizeof(complaints[count].message), stdin);
  53.     trimNewline(complaints[count].message);
  54.  
  55.     complaints[count].resolved = 0;
  56.     complaints[count].solution[0] = '\0';
  57.  
  58.     printf("✅ Complaint submitted with ID #%d\n", complaints[count].id);
  59.     count++;
  60. }
  61.  
  62. /* ---------- 2. View All Complaints ---------- */
  63. void viewAll(void) {
  64.     if (count == 0) { puts("📭 No complaints yet."); return; }
  65.  
  66.     puts("\n--- Pending Complaints ---");
  67.     for (int i = 0; i < count; i++) {
  68.         if (!complaints[i].resolved) {
  69.             printf("\nID        : %d\n", complaints[i].id);
  70.  
  71.             if (strcmp(complaints[i].name, "Anonymous") == 0) {
  72.                 printf("Student ID: Hidden\n");
  73.                 printf("Name      : Anonymous\n");
  74.             } else {
  75.                 printf("Student ID: %s\n", complaints[i].studentID);
  76.                 printf("Name      : %s\n", complaints[i].name);
  77.             }
  78.  
  79.             printf("Dept      : %s\n", complaints[i].department);
  80.             printf("Message   : %s\n", complaints[i].message);
  81.         }
  82.     }
  83.  
  84.     puts("\n--- Resolved Complaints ---");
  85.     for (int i = 0; i < count; i++) {
  86.         if (complaints[i].resolved) {
  87.             printf("\nID        : %d\n", complaints[i].id);
  88.  
  89.             if (strcmp(complaints[i].name, "Anonymous") == 0) {
  90.                 printf("Student ID: Hidden\n");
  91.                 printf("Name      : Anonymous\n");
  92.             } else {
  93.                 printf("Student ID: %s\n", complaints[i].studentID);
  94.                 printf("Name      : %s\n", complaints[i].name);
  95.             }
  96.  
  97.             printf("Dept      : %s\n", complaints[i].department);
  98.             printf("Message   : %s\n", complaints[i].message);
  99.             printf("Solution  : %s\n",
  100.                    complaints[i].solution[0] ? complaints[i].solution : "(no details)");
  101.         }
  102.     }
  103. }
  104.  
  105. /* ---------- 3. Solve Complaint ---------- */
  106. void solveComplaint(void) {
  107.     if (count == 0) { puts("No complaints to solve."); return; }
  108.  
  109.     int id;
  110.     printf("Enter complaint ID to mark solved: ");
  111.     if (scanf("%d", &id) != 1) { puts("Invalid input."); return; }
  112.     getchar();                             // flush newline
  113.  
  114.     if (id < 1 || id > count) { puts("❌ Invalid ID."); return; }
  115.     if (complaints[id - 1].resolved) { puts("Already resolved."); return; }
  116.  
  117.     printf("Enter solution description (optional): ");
  118.     fgets(complaints[id - 1].solution,
  119.           sizeof(complaints[id - 1].solution), stdin);
  120.     trimNewline(complaints[id - 1].solution);
  121.  
  122.     complaints[id - 1].resolved = 1;
  123.     puts("✅ Complaint marked as solved.");
  124. }
  125.  
  126. /* ---------- 4. Notice Board (identity always hidden) ---------- */
  127. void noticeBoard(void) {
  128.     if (count == 0) { puts("📭 No complaints yet."); return; }
  129.  
  130.     puts("\n==== NOTICE BOARD ====");
  131.  
  132.     int anyPending = 0, anyResolved = 0;
  133.  
  134.     /* Pending first */
  135.     for (int i = 0; i < count; i++) {
  136.         if (!complaints[i].resolved) {
  137.             if (!anyPending) puts("\n-- Pending --");
  138.             anyPending = 1;
  139.             printf("#%d | %s | %s\n",
  140.                    complaints[i].id,
  141.                    complaints[i].department,
  142.                    complaints[i].message);
  143.         }
  144.     }
  145.     if (!anyPending) puts("\nNo pending complaints ✅");
  146.  
  147.     /* Resolved after */
  148.     for (int i = 0; i < count; i++) {
  149.         if (complaints[i].resolved) {
  150.             if (!anyResolved) puts("\n-- Resolved --");
  151.             anyResolved = 1;
  152.             printf("#%d | %s | %s\n",
  153.                    complaints[i].id,
  154.                    complaints[i].department,
  155.                    complaints[i].message);
  156.         }
  157.     }
  158. }
  159.  
  160. /* ---------- Main Menu ---------- */
  161. int main(void) {
  162.     int choice;
  163.     while (1) {
  164.         puts("\n===== Complaint Routing System =====");
  165.         puts("1. Submit Complaint");
  166.         puts("2. View All Complaints");
  167.         puts("3. Solve Complaint");
  168.         puts("4. Notice Board");
  169.         puts("5. Exit");
  170.         printf("Enter choice: ");
  171.         if (scanf("%d", &choice) != 1) break;
  172.  
  173.         switch (choice) {
  174.             case 1: addComplaint();   break;
  175.             case 2: viewAll();        break;
  176.             case 3: solveComplaint(); break;
  177.             case 4: noticeBoard();    break;
  178.             case 5: puts("Goodbye!"); return 0;
  179.             default: puts("Invalid choice!");
  180.         }
  181.     }
  182.     return 0;
  183. }
  184.  
Success #stdin #stdout 0s 5300KB
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===== Complaint Routing System =====
1. Submit Complaint
2. View All Complaints
3. Solve Complaint
4. Notice Board
5. Exit
Enter choice:
https://ideone.com/TcSwvB
language:
C (gcc 8.3)
created:
1 day ago
visibility:
public

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