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move_zeroes.dart
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32 lines (28 loc) · 734 Bytes
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import 'package:test/test.dart';
List<int> moveZeroes(List<int> nums) {
int lastNonZeroFoundAt = 0;
for (int i = 0; i < nums.length; ++i) {
if (nums[i] != 0) {
nums[lastNonZeroFoundAt] = nums[i];
lastNonZeroFoundAt += 1;
}
}
for (int i = lastNonZeroFoundAt; i < nums.length; ++i) {
nums[i] = 0;
}
return nums;
}
void main() {
test('test case 1', () {
return expect(moveZeroes([1, 0, 2, 0, 0]), [1, 2, 0, 0, 0]);
});
test('test case 2', () {
return expect(moveZeroes([1, 2, 2, 3, 5]), [1, 2, 2, 3, 5]);
});
test('test case 3', () {
return expect(moveZeroes([0, 0, 0, 0, 0]), [0, 0, 0, 0, 0]);
});
test('test case 4', () {
return expect(moveZeroes([]), []);
});
}