View Compilation Error

2_20955_1526640_4577.c:1:17: cstdio: No such file or directory
2_20955_1526640_4577.c:2: error: syntax error before "namespace"
2_20955_1526640_4577.c: In function `main':
2_20955_1526640_4577.c:7: error: `EOF' undeclared (first use in this function)
2_20955_1526640_4577.c:7: error: (Each undeclared identifier is reported only once
2_20955_1526640_4577.c:7: error: for each function it appears in.)
2_20955_1526640_4577.c:10: error: syntax error before ',' token
2_20955_1526640_4577.c:13: error: `g' undeclared (first use in this function)
2_20955_1526640_4577.c:17: error: `f' undeclared (first use in this function)