selfPowers(10, 3)
应该返回317。'
testString: assert.strictEqual(selfPowers(10, 3), 317);
- text: 'selfPowers(150, 6)
应返回29045。'
testString: assert.strictEqual(selfPowers(150, 6), 29045);
- text: 'selfPowers(673, 7)
应该返回2473989。'
testString: assert.strictEqual(selfPowers(673, 7), 2473989);
- text: 'selfPowers(1000, 10)
应该返回9110846700。'
testString: assert.strictEqual(selfPowers(1000, 10), 9110846700);
```