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View Compilation Error

0_0_8697099_6231.c:1:20: iostream: No such file or directory
0_0_8697099_6231.c:2: error: syntax error before "namespace"
0_0_8697099_6231.c:3: error: syntax error before "catalan"
0_0_8697099_6231.c: In function `main':
0_0_8697099_6231.c:13: error: `cin' undeclared (first use in this function)
0_0_8697099_6231.c:13: error: (Each undeclared identifier is reported only once
0_0_8697099_6231.c:13: error: for each function it appears in.)
0_0_8697099_6231.c:15: error: `cout' undeclared (first use in this function)
0_0_8697099_6231.c:15: error: `endl' undeclared (first use in this function)


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