for (int num : input) { sum += num; }
时间: 2024-04-29 18:25:23 浏览: 16
This code iterates through the elements of an array called "input" using a for-each loop.
For each element in the array, the code sets the value of "sum" variable equal to the value of that element.
However, since the "sum" variable is not being accumulated, this code will only store the value of the last element in the array in the "sum" variable.
If the intention is to calculate the sum of all elements in the array, the code should be modified to accumulate the values by adding each element to the current value of "sum", like this:
```
int sum = 0;
for (int num : input) {
sum += num;
}
```
This modified code will calculate the sum of all elements in the "input" array and store the result in the "sum" variable.
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