8) The numNegatives variable counts the number of negative values in the array uservals. What should numNegatives be initialized to? int userVals [20]; unsigned int i; numNegatives = XXX; for (i =0; i < 20; ++i) { if (userValues [i] < 0) { } } b. 0 numNegatives = numNegatives + 1; a. No initialization needed C. -1 d. userVals[0]

8) The numNegatives variable counts the number of negative values in the array uservals. What should numNegatives be initialized to? int userVals [20]; unsigned int i; numNegatives = XXX; for (i =0; i < 20; ++i) { if (userValues [i] < 0) { } } b. 0 numNegatives = numNegatives + 1; a. No initialization needed C. -1 d. userVals[0]

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

solve this and tell why , and i dont understand ++i meaning

**Exercise 8: Initializing the numNegatives Variable**

The `numNegatives` variable is designed to count the number of negative values in the array `userVals`. What should `numNegatives` be initialized to?

```c
int userVals[20];
unsigned int i;
numNegatives = XXX;
for (i = 0; i < 20; ++i) {
if (userValues[i] < 0) {
numNegatives = numNegatives + 1;
}
}
```

**Choices:**

a. No initialization needed
b. 0
c. -1
d. userVals[0]

**Explanation:**

To correctly count the number of negative values, `numNegatives` should be initialized to **0**. Each time a negative value is found in the array, the variable will be incremented by 1.

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