Keyword Analysis & Research: why should we use using namespace std in c

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
why should we use using namespace std in c	0.88	0.8	1210	82	44
why	0.81	0.6	7576	55	3
should	1.56	0.1	9261	63	6
we	0.52	1	2317	24	2
use	1.35	0.5	535	61	3
using	0.53	0.4	8056	29	5
namespace	1.13	0.2	8189	53	9
std	1.8	0.3	5303	70	3
in	1.34	0.8	3661	10	2
c	1.53	1	4829	91	1

Keyword	CPC	PCC	Volume	Score
why should we use using namespace std in c	1.22	0.7	8217	28