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View Compilation Error

536450_0_0_24896.c:1:20: iostream: No such file or directory
536450_0_0_24896.c:2: error: syntax error before "namespace"
536450_0_0_24896.c: In function `addmtree':
536450_0_0_24896.c:17: error: `NULL' undeclared (first use in this function)
536450_0_0_24896.c:17: error: (Each undeclared identifier is reported only once
536450_0_0_24896.c:17: error: for each function it appears in.)
536450_0_0_24896.c:18: error: `new' undeclared (first use in this function)
536450_0_0_24896.c:18: error: syntax error before "struct"
536450_0_0_24896.c:22: error: syntax error before '/' token
536450_0_0_24896.c: In function `addftree':
536450_0_0_24896.c:30: error: `NULL' undeclared (first use in this function)
536450_0_0_24896.c:31: error: `new' undeclared (first use in this function)
536450_0_0_24896.c:31: error: syntax error before "struct"
536450_0_0_24896.c:35: error: syntax error before '/' token
536450_0_0_24896.c: In function `searchmtree':
536450_0_0_24896.c:44: error: `NULL' undeclared (first use in this function)
536450_0_0_24896.c:44: error: `cout' undeclared (first use in this function)
536450_0_0_24896.c:44: error: `endl' undeclared (first use in this function)
536450_0_0_24896.c: In function `searchftree':
536450_0_0_24896.c:51: error: `NULL' undeclared (first use in this function)
536450_0_0_24896.c:51: error: `cout' undeclared (first use in this function)
536450_0_0_24896.c:51: error: `endl' undeclared (first use in this function)
536450_0_0_24896.c: In function `main':
536450_0_0_24896.c:64: error: `NULL' undeclared (first use in this function)
536450_0_0_24896.c:71: error: `cin' undeclared (first use in this function)


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