{"code":"tinhtong2","name":"Tính tổng 2","description":"Nhập vào 2 số nguyên $n, q$.\r\n\r\n\r\n**Yêu cầu:**\r\n- Tính tổng $q^0 - q^1 + q^2 - q^3 + ... - q^n$. (nếu $n$ lẻ)\r\n\r\n- Tính tổng $q^0 - q^1 + q^2 - q^3 + ... + q^n$. (nếu $n$ chẵn)\r\n#### Example\r\n!!! question \"Test 1\"\r\n    ???+ \"Input\"\r\n        ```sample\r\n        2  3 \r\n        ```\r\n    ???+ success \"Output\"\r\n        ```sample\r\n        7\r\n        ```","points":100.0,"partial":false,"time_limit":1.0,"memory_limit":524288,"short_circuit":false,"allowed_languages":[3,4,34,36,37,5,6,11,12,14,28,2,38,39,9,18,17,29,23,27,35,25,26,10,7,19,32,1,8,15,16,24,20,33,13,41,21,40],"is_public":true,"is_manually_managed":false,"permissions":{"can_edit":false}}