Recuperar Varios Registros de Tabla, filtrando por maximo campo

[Libras]

Código SQL:

CREATE TABLE #temp(
codigo VARCHAR(20),
anyo INT,
mes INT,
fecha datetime
)
--CODIGO ANYO MES FECHA
INSERT INTO #temp VALUES ('C-1111', 2013,   1,  '2013-12-06 17:58:00')
INSERT INTO #temp VALUES ('C-1111', 2012,   12, '2013-12-06 17:46:00')
INSERT INTO #temp VALUES ('P-2222', 2014,   1,  '2013-09-05 15:41:00')
INSERT INTO #temp VALUES ('M-1112', 2013,   1,  '2013-26-04 10:59:00')
DELETE FROM #temp
 
SELECT * FROM #temp WHERE CONVERT(VARCHAR(20),codigo) + '|' + CONVERT(VARCHAR(20),fecha) IN (
SELECT CONVERT(VARCHAR(20),codigo) + '|' + CONVERT(VARCHAR(20),MAX(fecha)) FROM #temp GROUP BY codigo
)
 

saludos!