0_0_1349492_13509.cpp:3: error: expected nested-name-specifier before "namespaces"
0_0_1349492_13509.cpp:3: error: `namespaces' has not been declared
0_0_1349492_13509.cpp:3: error: expected `;' before "std"
0_0_1349492_13509.cpp:3: error: expected constructor, destructor, or type conversion before ';' token
0_0_1349492_13509.cpp: In function `int main()':
0_0_1349492_13509.cpp:9: error: `cin' undeclared (first use this function)
0_0_1349492_13509.cpp:9: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1349492_13509.cpp:20: error: `cout' undeclared (first use this function)
0_0_1349492_13509.cpp:20: error: `endl' undeclared (first use this function)
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