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C++ Program to Find the Length of a String

This is a C++ Program to Find the Length of a String/Array.

Problem Description

The program takes a string or an array and prints its length.

Problem Solution

1. The program takes a string or an array.
2. Using inbuilt function, the length of the string is found.
3. The result is printed.
4. Exit.

C++ Program/Source code

Here is the source code of C++ Program to Find the Length of a String/Array. The program output is shown below.

```
#include<iostream>
```
```
#include<string.h>
```
```
using namespace std;
```
```
int main ()
```
```
{
```
```
    char str[50];
```
```
    int len;
```

    cout << "Enter an array or string : ";

```
    gets(str);
```
```
    len = strlen(str);
```

    cout << "Length of the string is : " << len;

```
    return 0;
```
```
}
```

Program Explanation

1. The user is asked to enter an array or a string and it is stored in the character variable ‘str’.
2. Using the function strlen() which is inbuilt under the library ‘string.h’, length of the string is found.
3. The result is then printed.

Runtime Test Cases

Case 1 :
Enter an array or string : 1020304050
Length of the string is : 10
 
Case 2 :
Enter an array or string : hello
Length of the string is : 5
 
Case 3:
Enter an array or string : Program25
Length of the string is : 9

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C++ Program to Find the Length of a String

C++ Program to Find the Length of a String

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