# V787\. Wrong variable is probably used in the for operator as an index\.

The analyzer detected a loop counter used as an index in the loop termination condition\. Such code looks suspicious\.

Consider the following example:

```cpp
for (int i = 0; i < n; ++i)
  for (int j = 0; j < arr[j]; ++j)
    ....
```

The programmer must have intended to use the variable 'i' instead of 'j':

```cpp
for (int i = 0; i < n; ++i)
  for (int j = 0; j < arr[i]; ++j)
    ....
```