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  1. // Online C compiler to run C program online
  2. #include <stdio.h>
  3.  
  4. #define ARRAY_SIZE 10
  5. #define MATRIX_SIZE 4
  6. //fill array 1
  7. int array[ARRAY_SIZE];
  8. int matrix[MATRIX_SIZE][MATRIX_SIZE];
  9.     void fillArray(){
  10.  
  11.           // Fill 1-D array
  12.     printf("Enter 10 elements for the array:\n");
  13.     for (int i = 0; i < ARRAY_SIZE; i++) {
  14.         printf("Array [%d]: ", i);
  15.         scanf("%d", &array[i]);
  16.     }
  17.     }
  18.     void fillMatrix(){
  19.           printf("\nEnter elements for the 4x4 matrix:\n");
  20.     for (int i = 0; i < MATRIX_SIZE; i++) {
  21.         for (int j = 0; j < MATRIX_SIZE; j++) {
  22.             printf("Matrix [%d][%d]: ", i, j);
  23.             scanf("%d", &matrix[i][j]);
  24.         }
  25.     }
  26.     }
  27.  
  28.     void shiftArrayLeft(int *arr, int size, int shifts) {
  29.     shifts %= size;  // Handle shifts greater than array size
  30.     int temp[ARRAY_SIZE];
  31.  
  32.     for (int i = 0; i < size; i++) {
  33.         temp[i] = arr[(i + shifts) % size];
  34.     }
  35.  
  36.     for (int i = 0; i < size; i++) {
  37.         arr[i] = temp[i];
  38.     }
  39. }
  40.  
  41. void transposeMatrix(int matrix[MATRIX_SIZE][MATRIX_SIZE]) {
  42.     for (int i = 0; i < MATRIX_SIZE; i++) {
  43.         for (int j = 0; j < MATRIX_SIZE; j++) {
  44.             printf("%d ", matrix[j][i]);
  45.         }
  46.         printf("\n");
  47.     }
  48. }
  49.  
  50. int searchFirstOccurrence(int *arr, int size, int element) {
  51.     for (int i = 0; i < size; i++) {
  52.         if (arr[i] == element) {
  53.             return i;
  54.         }
  55.     }
  56.     return -1;
  57. }
  58.  
  59. void searchAllOccurrences(int *arr, int size, int element) {
  60.     int found = 0;
  61.     for (int i = 0; i < size; i++) {
  62.         if (arr[i] == element) {
  63.             printf("%d ", i);
  64.             found = 1;
  65.         }
  66.     }
  67.     if (!found) {
  68.         printf("None");
  69.     }
  70.     printf("\n");
  71. }
  72.  
  73. void multiplyMatrix(int matrix[MATRIX_SIZE][MATRIX_SIZE]) {
  74.     int result[MATRIX_SIZE][MATRIX_SIZE] = {0};
  75.  
  76.     for (int i = 0; i < MATRIX_SIZE; i++) {
  77.         for (int j = 0; j < MATRIX_SIZE; j++) {
  78.             for (int k = 0; k < MATRIX_SIZE; k++) {
  79.                 result[i][j] += matrix[i][k] * matrix[k][j];
  80.             }
  81.         }
  82.     }
  83.  
  84.     for (int i = 0; i < MATRIX_SIZE; i++) {
  85.         for (int j = 0; j < MATRIX_SIZE; j++) {
  86.             printf("%d ", result[i][j]);
  87.         }
  88.         printf("\n");
  89.     }
  90. }
  91. //display menue 
  92. void displayMenu() {
  93.     printf("\n=== Array Operations Menu ===\n");
  94.     printf("1. Shift 1-D Array Left\n");
  95.     printf("2. Transpose of 2-D Array\n");
  96.     printf("3. Search in 1-D Array (First Occurrence)\n");
  97.     printf("4. Search in 1-D Array (All Occurrences)\n");
  98.     printf("5. Matrix Multiplication\n");
  99.     printf("6. Exit\n");
  100. }
  101.  
  102. int main() {
  103. fillArray();
  104. fillMatrix();
  105. int choice;
  106.  while (1) {
  107.         displayMenu();
  108.         printf("Enter your choice: ");
  109.         scanf("%d", &choice);
  110.  
  111.         switch (choice) {
  112.             case 1: {
  113.                 int shifts;
  114.                 printf("Enter the number of shifts: ");
  115.                 scanf("%d", &shifts);
  116.                 shiftArrayLeft(array, ARRAY_SIZE, shifts);
  117.                 printf("Shifted Array: ");
  118.                 for (int i = 0; i < ARRAY_SIZE; i++) {
  119.                     printf("%d ", array[i]);
  120.                 }
  121.                 printf("\n");
  122.                 break;
  123.             }
  124.             case 2:
  125.                 printf("Transposed Matrix:\n");
  126.                 transposeMatrix(matrix);
  127.                 break;
  128.             case 3: {
  129.                 int element;
  130.                 printf("Enter the element to search: ");
  131.                 scanf("%d", &element);
  132.                 int index = searchFirstOccurrence(array, ARRAY_SIZE, element);
  133.                 if (index != -1) {
  134.                     printf("Element found at index: %d\n", index);
  135.                 } else {
  136.                     printf("Element not found.\n");
  137.                 }
  138.                 break;
  139.             }
  140.             case 4: {
  141.                 int element;
  142.                 printf("Enter the element to search: ");
  143.                 scanf("%d", &element);
  144.                 printf("Element found at indexes: ");
  145.                 searchAllOccurrences(array, ARRAY_SIZE, element);
  146.                 break;
  147.             }
  148.             case 5:
  149.                 printf("Result of Matrix Multiplication:\n");
  150.                 multiplyMatrix(matrix);
  151.                 break;
  152.             case 6:
  153.                 printf("Exiting the program. Goodbye!\n");
  154.                 return 0;
  155.             default:
  156.                 printf("Invalid choice. Please try again.\n");
  157.         }
  158.     }
  159.  
  160.     return 0;
  161.  
  162. }
Success #stdin #stdout 0.02s 26128KB
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stdin 
Standard input is empty
stdout 
// Online C compiler to run C program online
#include <stdio.h>

#define ARRAY_SIZE 10
#define MATRIX_SIZE 4
//fill array 1
int array[ARRAY_SIZE];
int matrix[MATRIX_SIZE][MATRIX_SIZE];
    void fillArray(){
     
          // Fill 1-D array
    printf("Enter 10 elements for the array:\n");
    for (int i = 0; i < ARRAY_SIZE; i++) {
        printf("Array [%d]: ", i);
        scanf("%d", &array[i]);
    }
    }
    void fillMatrix(){
          printf("\nEnter elements for the 4x4 matrix:\n");
    for (int i = 0; i < MATRIX_SIZE; i++) {
        for (int j = 0; j < MATRIX_SIZE; j++) {
            printf("Matrix [%d][%d]: ", i, j);
            scanf("%d", &matrix[i][j]);
        }
    }
    }
    
    void shiftArrayLeft(int *arr, int size, int shifts) {
    shifts %= size;  // Handle shifts greater than array size
    int temp[ARRAY_SIZE];

    for (int i = 0; i < size; i++) {
        temp[i] = arr[(i + shifts) % size];
    }

    for (int i = 0; i < size; i++) {
        arr[i] = temp[i];
    }
}

void transposeMatrix(int matrix[MATRIX_SIZE][MATRIX_SIZE]) {
    for (int i = 0; i < MATRIX_SIZE; i++) {
        for (int j = 0; j < MATRIX_SIZE; j++) {
            printf("%d ", matrix[j][i]);
        }
        printf("\n");
    }
}

int searchFirstOccurrence(int *arr, int size, int element) {
    for (int i = 0; i < size; i++) {
        if (arr[i] == element) {
            return i;
        }
    }
    return -1;
}

void searchAllOccurrences(int *arr, int size, int element) {
    int found = 0;
    for (int i = 0; i < size; i++) {
        if (arr[i] == element) {
            printf("%d ", i);
            found = 1;
        }
    }
    if (!found) {
        printf("None");
    }
    printf("\n");
}

void multiplyMatrix(int matrix[MATRIX_SIZE][MATRIX_SIZE]) {
    int result[MATRIX_SIZE][MATRIX_SIZE] = {0};

    for (int i = 0; i < MATRIX_SIZE; i++) {
        for (int j = 0; j < MATRIX_SIZE; j++) {
            for (int k = 0; k < MATRIX_SIZE; k++) {
                result[i][j] += matrix[i][k] * matrix[k][j];
            }
        }
    }

    for (int i = 0; i < MATRIX_SIZE; i++) {
        for (int j = 0; j < MATRIX_SIZE; j++) {
            printf("%d ", result[i][j]);
        }
        printf("\n");
    }
}
//display menue 
void displayMenu() {
    printf("\n=== Array Operations Menu ===\n");
    printf("1. Shift 1-D Array Left\n");
    printf("2. Transpose of 2-D Array\n");
    printf("3. Search in 1-D Array (First Occurrence)\n");
    printf("4. Search in 1-D Array (All Occurrences)\n");
    printf("5. Matrix Multiplication\n");
    printf("6. Exit\n");
}

int main() {
fillArray();
fillMatrix();
int choice;
 while (1) {
        displayMenu();
        printf("Enter your choice: ");
        scanf("%d", &choice);

        switch (choice) {
            case 1: {
                int shifts;
                printf("Enter the number of shifts: ");
                scanf("%d", &shifts);
                shiftArrayLeft(array, ARRAY_SIZE, shifts);
                printf("Shifted Array: ");
                for (int i = 0; i < ARRAY_SIZE; i++) {
                    printf("%d ", array[i]);
                }
                printf("\n");
                break;
            }
            case 2:
                printf("Transposed Matrix:\n");
                transposeMatrix(matrix);
                break;
            case 3: {
                int element;
                printf("Enter the element to search: ");
                scanf("%d", &element);
                int index = searchFirstOccurrence(array, ARRAY_SIZE, element);
                if (index != -1) {
                    printf("Element found at index: %d\n", index);
                } else {
                    printf("Element not found.\n");
                }
                break;
            }
            case 4: {
                int element;
                printf("Enter the element to search: ");
                scanf("%d", &element);
                printf("Element found at indexes: ");
                searchAllOccurrences(array, ARRAY_SIZE, element);
                break;
            }
            case 5:
                printf("Result of Matrix Multiplication:\n");
                multiplyMatrix(matrix);
                break;
            case 6:
                printf("Exiting the program. Goodbye!\n");
                return 0;
            default:
                printf("Invalid choice. Please try again.\n");
        }
    }

    return 0;

}
https://ideone.com/oYjuuS
language:
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created:
15 hours ago
visibility:
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