Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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The output is actually missing one hi -2 at the end before mark - 1
![**Section 5.20 - CIS 161: Introduction to C Programming - LAB: Word Frequencies**
### Objective:
The aim of this lab is to write a C program that reads a series of words and outputs the frequency of each word.
### Instructions:
- Develop your program and test it as much as you need.
- Submit the final version before the deadline.
### Code Details:
A skeleton code is provided with the following functionality:
- Read input string.
- Count and store frequencies of each word.
- Print the words and their respective frequencies.
```c
#include <stdio.h>
#include <string.h>
#define MAX_WORDS 50
#define MAX_WORD_LENGTH 50
int main() {
char words[MAX_WORDS][MAX_WORD_LENGTH];
int frequencies[MAX_WORDS];
int numWords = 0;
char input[200];
fgets(input, 200, stdin);
// Split the input string into words
char *token = strtok(input, " \n");
while (token != NULL) {
int found = 0;
for (int i = 0; i < numWords; i++) {
if (strcmp(words[i], token) == 0) {
frequencies[i]++;
found = 1;
break;
}
}
if (!found) {
strcpy(words[numWords], token);
frequencies[numWords] = 1;
numWords++;
}
token = strtok(NULL, " \n");
}
// Output the words and frequencies
for (int i = 0; i < numWords; i++) {
if (frequencies[i] != 0) {
printf("%s - %d\n", words[i], frequencies[i]);
}
}
return 0;
}
```
### User Interface:
- **Develop mode:** Allows you to write and test your code.
- **Submit mode:** Submit the final version of your code for grading.
### Input and Output:
1. **Enter Program Input (optional):**
- Example: `5 hey hi Mark hi mark`
2. **Run Program:**
- Click to execute the code and observe the program's output.
3. **Program Output Displayed Here:**
- The area where the result of running the program will be displayed.
### Example:
#### Input:
```
5 hey hi Mark hi mark
```](https://content.bartleby.com/qna-images/question/3e035166-c990-4dd0-a7c5-b2c139b07c7d/5f282657-c447-41a2-b9e6-88b34d64eb2f/sxq0gol_processed.png)
Transcribed Image Text:**Section 5.20 - CIS 161: Introduction to C Programming - LAB: Word Frequencies**
### Objective:
The aim of this lab is to write a C program that reads a series of words and outputs the frequency of each word.
### Instructions:
- Develop your program and test it as much as you need.
- Submit the final version before the deadline.
### Code Details:
A skeleton code is provided with the following functionality:
- Read input string.
- Count and store frequencies of each word.
- Print the words and their respective frequencies.
```c
#include <stdio.h>
#include <string.h>
#define MAX_WORDS 50
#define MAX_WORD_LENGTH 50
int main() {
char words[MAX_WORDS][MAX_WORD_LENGTH];
int frequencies[MAX_WORDS];
int numWords = 0;
char input[200];
fgets(input, 200, stdin);
// Split the input string into words
char *token = strtok(input, " \n");
while (token != NULL) {
int found = 0;
for (int i = 0; i < numWords; i++) {
if (strcmp(words[i], token) == 0) {
frequencies[i]++;
found = 1;
break;
}
}
if (!found) {
strcpy(words[numWords], token);
frequencies[numWords] = 1;
numWords++;
}
token = strtok(NULL, " \n");
}
// Output the words and frequencies
for (int i = 0; i < numWords; i++) {
if (frequencies[i] != 0) {
printf("%s - %d\n", words[i], frequencies[i]);
}
}
return 0;
}
```
### User Interface:
- **Develop mode:** Allows you to write and test your code.
- **Submit mode:** Submit the final version of your code for grading.
### Input and Output:
1. **Enter Program Input (optional):**
- Example: `5 hey hi Mark hi mark`
2. **Run Program:**
- Click to execute the code and observe the program's output.
3. **Program Output Displayed Here:**
- The area where the result of running the program will be displayed.
### Example:
#### Input:
```
5 hey hi Mark hi mark
```
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