View Compilation Error

0_0_5517348_8974.c:4:17: stack: No such file or directory
0_0_5517348_8974.c:7: error: syntax error before "namespace"
0_0_5517348_8974.c: In function `main':
0_0_5517348_8974.c:15: error: `stack' undeclared (first use in this function)
0_0_5517348_8974.c:15: error: (Each undeclared identifier is reported only once
0_0_5517348_8974.c:15: error: for each function it appears in.)
0_0_5517348_8974.c:15: error: syntax error before "int"
0_0_5517348_8974.c:16: error: syntax error before "int"
0_0_5517348_8974.c:27: error: `a' undeclared (first use in this function)
0_0_5517348_8974.c:31: error: `b' undeclared (first use in this function)
0_0_5517348_8974.c:42: error: syntax error before '/' token
0_0_5517348_8974.c:69: error: syntax error before '/' token
0_0_5517348_8974.c: At top level:
0_0_5517348_8974.c:80: error: syntax error before '/' token