Junior C Developer Interview Questions

172 junior c developer interview questions shared by candidates

Identify memory leak: // this function has a memory leak. Can you find it? int i = 5; // <-- char *pszString = (char *)malloc(32); memset(pszString, 0, sizeof(32)); strcpy(pszString, "hi"); if (i > 5) { sprintf(pszString, "%i is greater than 5", i); printf("%s\n", pszString); free(pszString); } else if (i < 5) { sprintf(pszString, "%i is less than 5", i); printf("%s\n", pszString); free(pszString); } }
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Junior Software Developer (C++)

Interviewed at Accelya Group

3.4
Aug 15, 2024

Identify memory leak: // this function has a memory leak. Can you find it? int i = 5; // <-- char *pszString = (char *)malloc(32); memset(pszString, 0, sizeof(32)); strcpy(pszString, "hi"); if (i > 5) { sprintf(pszString, "%i is greater than 5", i); printf("%s\n", pszString); free(pszString); } else if (i < 5) { sprintf(pszString, "%i is less than 5", i); printf("%s\n", pszString); free(pszString); } }

Count letters in a sentence omitting non alphabet characters: /// /// E.g given the // input string "Hello there!", print the output has to be 'h': 2 /// 'e': 3 'l': 2 'o': 1 't': 1 'r': 1 /// /// input The string containing the letters to count /// // Omit any character that is not in the English alphabet
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Junior Software Developer (C++)

Interviewed at Accelya Group

3.4
Aug 15, 2024

Count letters in a sentence omitting non alphabet characters: /// /// E.g given the // input string "Hello there!", print the output has to be 'h': 2 /// 'e': 3 'l': 2 'o': 1 't': 1 'r': 1 /// /// input The string containing the letters to count /// // Omit any character that is not in the English alphabet

Describe a data sturcture that you can do: Get[x] by key in O(1), Set(x,y) by key in O(1), and setAll(y) by O(1) The setAll does not must really put the value at all the places, its just need to be seen like this(when you do get, you need to get the correct value)
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Junior C# and .NET developer

Interviewed at NiCE

3.9
Jun 6, 2024

Describe a data sturcture that you can do: Get[x] by key in O(1), Set(x,y) by key in O(1), and setAll(y) by O(1) The setAll does not must really put the value at all the places, its just need to be seen like this(when you do get, you need to get the correct value)

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