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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. #define MAX 100
  5.  
  6. typedef struct {
  7.     int  id;                 
  8.     char studentID[20];      
  9.     char name[50];           
  10.     char department[30];     
  11.     char message[200];       
  12.     int  resolved;           
  13.     char solution[200];      
  14. } Complaint;
  15.  
  16. Complaint complaints[MAX];
  17. int count = 0;
  18.  
  19. void trimNewline(char *s) { s[strcspn(s, "\n")] = '\0'; }
  20.  
  21. int validDepartment(const char *dept) {
  22.     return (strcmp(dept, "CSE") == 0 || strcmp(dept, "EEE") == 0 || strcmp(dept, "CCE") == 0 || strcmp(dept, "Other") == 0);
  23. }
  24.  
  25. void addComplaint(void) {
  26.     if (count >= MAX) { puts("⚠️ Complaint list is full!"); return; }
  27.     getchar();                             
  28.  
  29.     complaints[count].id = count + 1;      
  30.  
  31.     printf("Student ID          : ");
  32.     fgets(complaints[count].studentID, sizeof(complaints[count].studentID), stdin);
  33.     trimNewline(complaints[count].studentID);
  34.  
  35.     while(1) {
  36.         printf("Department (CSE/EEE/CCE/Other): ");
  37.         fgets(complaints[count].department, sizeof(complaints[count].department), stdin);
  38.         trimNewline(complaints[count].department);
  39.  
  40.         if (validDepartment(complaints[count].department)) break;
  41.         else printf("❌ Invalid department! Please enter one of: CSE, EEE, CCE, Other.\n");
  42.     }
  43.  
  44.     char anon;
  45.     printf("Do you want to keep your name anonymous? (Y/N): ");
  46.     scanf(" %c", &anon);                   
  47.     getchar();                             
  48.  
  49.     if (anon == 'Y' || anon == 'y') {
  50.         strcpy(complaints[count].name, "Anonymous");
  51.     } else {
  52.         printf("Your Name          : ");
  53.         fgets(complaints[count].name, sizeof(complaints[count].name), stdin);
  54.         trimNewline(complaints[count].name);
  55.     }
  56.  
  57.     printf("Complaint message   : ");
  58.     fgets(complaints[count].message, sizeof(complaints[count].message), stdin);
  59.     trimNewline(complaints[count].message);
  60.  
  61.     complaints[count].resolved = 0;
  62.     complaints[count].solution[0] = '\0';
  63.  
  64.     printf("✅ Complaint submitted with ID #%d\n", complaints[count].id);
  65.     count++;
  66. }
  67.  
  68. void viewAll(void) {
  69.     if (count == 0) { puts("No complaints yet."); return; }
  70.  
  71.     puts("\n--- Pending Complaints ---");
  72.     for (int i = 0; i < count; i++) {
  73.         if (!complaints[i].resolved) {
  74.             printf("\nID        : %d\n", complaints[i].id);
  75.  
  76.             if (strcmp(complaints[i].name, "Anonymous") == 0) {
  77.                 printf("Student ID: Hidden\n");
  78.                 printf("Name      : Anonymous\n");
  79.             } else {
  80.                 printf("Student ID: %s\n", complaints[i].studentID);
  81.                 printf("Name      : %s\n", complaints[i].name);
  82.             }
  83.  
  84.             printf("Dept      : %s\n", complaints[i].department);
  85.             printf("Message   : %s\n", complaints[i].message);
  86.         }
  87.     }
  88.  
  89.     puts("\n--- Resolved Complaints ---");
  90.     for (int i = 0; i < count; i++) {
  91.         if (complaints[i].resolved) {
  92.             printf("\nID        : %d\n", complaints[i].id);
  93.  
  94.             if (strcmp(complaints[i].name, "Anonymous") == 0) {
  95.                 printf("Student ID: Hidden\n");
  96.                 printf("Name      : Anonymous\n");
  97.             } else {
  98.                 printf("Student ID: %s\n", complaints[i].studentID);
  99.                 printf("Name      : %s\n", complaints[i].name);
  100.             }
  101.  
  102.             printf("Dept      : %s\n", complaints[i].department);
  103.             printf("Message   : %s\n", complaints[i].message);
  104.             printf("Solution  : %s\n",
  105.                    complaints[i].solution[0] ? complaints[i].solution : "(no details)");
  106.         }
  107.     }
  108. }
  109.  
  110. void viewDepartmentComplaints(void) {
  111.     if (count == 0) { puts("No complaints yet."); return; }
  112.  
  113.     char dept[30];
  114.     getchar(); // flush newline
  115.     while(1) {
  116.         printf("Enter department to view (CSE/EEE/CCE/Other): ");
  117.         fgets(dept, sizeof(dept), stdin);
  118.         trimNewline(dept);
  119.         if (validDepartment(dept)) break;
  120.         else printf("❌ Invalid department! Please enter one of: CSE, EEE, CCE, Other.\n");
  121.     }
  122.  
  123.     int found = 0;
  124.     printf("\n--- Complaints for %s Department ---\n", dept);
  125.     for (int i = 0; i < count; i++) {
  126.         if (strcmp(complaints[i].department, dept) == 0) {
  127.             found = 1;
  128.             printf("\nID        : %d\n", complaints[i].id);
  129.             if (strcmp(complaints[i].name, "Anonymous") == 0) {
  130.                 printf("Student ID: Hidden\n");
  131.                 printf("Name      : Anonymous\n");
  132.             } else {
  133.                 printf("Student ID: %s\n", complaints[i].studentID);
  134.                 printf("Name      : %s\n", complaints[i].name);
  135.             }
  136.             printf("Status    : %s\n", complaints[i].resolved ? "Resolved" : "Pending");
  137.             printf("Message   : %s\n", complaints[i].message);
  138.             if (complaints[i].resolved) {
  139.                 printf("Solution  : %s\n", complaints[i].solution[0] ? complaints[i].solution : "(no details)");
  140.             }
  141.         }
  142.     }
  143.     if (!found) {
  144.         printf("No complaints found for department %s.\n", dept);
  145.     }
  146. }
  147.  
  148. void solveComplaint(void) {
  149.     if (count == 0) { puts("No complaints to solve."); return; }
  150.  
  151.     int id;
  152.     printf("Enter complaint ID to mark solved: ");
  153.     if (scanf("%d", &id) != 1) { puts("Invalid input."); return; }
  154.     getchar();                            
  155.  
  156.     if (id < 1 || id > count) { puts("❌ Invalid ID."); return; }
  157.     if (complaints[id - 1].resolved) { puts("Already resolved."); return; }
  158.  
  159.     printf("Enter solution description (optional): ");
  160.     fgets(complaints[id - 1].solution,
  161.           sizeof(complaints[id - 1].solution), stdin);
  162.     trimNewline(complaints[id - 1].solution);
  163.  
  164.     complaints[id - 1].resolved = 1;
  165.     puts("Complaint marked as solved.");
  166. }
  167.  
  168. void noticeBoard(void) {
  169.     if (count == 0) { 
  170.         puts("No complaints yet."); 
  171.         return; 
  172.     }
  173.  
  174.     puts("\n==== NOTICE BOARD ====");
  175.  
  176.     const char *departments[] = {"CSE", "EEE", "CCE", "Other"};
  177.     int numDept = 4;
  178.  
  179.     for (int d = 0; d < numDept; d++) {
  180.         const char *dept = departments[d];
  181.         int pendingCount = 0, resolvedCount = 0;
  182.  
  183.         // Check complaints count by status
  184.         for (int i = 0; i < count; i++) {
  185.             if (strcmp(complaints[i].department, dept) == 0) {
  186.                 if (!complaints[i].resolved) pendingCount++;
  187.                 else resolvedCount++;
  188.             }
  189.         }
  190.  
  191.         if (pendingCount == 0 && resolvedCount == 0) {
  192.             printf("\n-- %s Department --\nNo complaints found.\n", dept);
  193.             continue;
  194.         }
  195.  
  196.         printf("\n-- %s Department --\n", dept);
  197.  
  198.         if (pendingCount > 0) {
  199.             puts("Pending Complaints:");
  200.             for (int i = 0; i < count; i++) {
  201.                 if (strcmp(complaints[i].department, dept) == 0 && !complaints[i].resolved) {
  202.                     printf("#%d | %s\n", complaints[i].id, complaints[i].message);
  203.                 }
  204.             }
  205.         } else {
  206.             puts("No pending complaints.");
  207.         }
  208.  
  209.         if (resolvedCount > 0) {
  210.             puts("Resolved Complaints:");
  211.             for (int i = 0; i < count; i++) {
  212.                 if (strcmp(complaints[i].department, dept) == 0 && complaints[i].resolved) {
  213.                     printf("#%d | %s\n", complaints[i].id, complaints[i].message);
  214.                 }
  215.             }
  216.         } else {
  217.             puts("No resolved complaints.");
  218.         }
  219.     }
  220. }
  221.  
  222. int main(void) {
  223.     int choice;
  224.     while (1) {
  225.         puts("\n===== Complaint Routing System =====");
  226.         puts("1. Submit Complaint");
  227.         puts("2. View All Complaints");
  228.         puts("3. View Complaints by Department");
  229.         puts("4. Solve Complaint");
  230.         puts("5. Notice Board");
  231.         puts("6. Exit");
  232.         printf("Enter choice: ");
  233.         if (scanf("%d", &choice) != 1) break;
  234.  
  235.         switch (choice) {
  236.             case 1: addComplaint();           break;
  237.             case 2: viewAll();                break;
  238.             case 3: viewDepartmentComplaints(); break;
  239.             case 4: solveComplaint();         break;
  240.             case 5: noticeBoard();            break;
  241.             case 6: puts("Goodbye!"); return 0;
  242.             default: puts("Invalid choice!");
  243.         }
  244.     }
  245.     return 0;
  246. }
  247.  
Success #stdin #stdout 0.01s 5292KB
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stdin
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stdout
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===== Complaint Routing System =====
1. Submit Complaint
2. View All Complaints
3. View Complaints by Department
4. Solve Complaint
5. Notice Board
6. Exit
Enter choice:
https://ideone.com/rNzlaG
language:
C (gcc 8.3)
created:
8 hours ago
visibility:
public

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