0_0_12887037_3024.cpp:6:24: unordered_set: No such file or directory
0_0_12887037_3024.cpp:7:24: unordered_map: No such file or directory
0_0_12887037_3024.cpp: In function `int main()':
0_0_12887037_3024.cpp:15: error: `unordered_map' undeclared (first use this function)
0_0_12887037_3024.cpp:15: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12887037_3024.cpp:15: error: expected primary-expression before ',' token
0_0_12887037_3024.cpp:15: error: expected primary-expression before "int"
0_0_12887037_3024.cpp:15: error: expected `;' before "int"
0_0_12887037_3024.cpp:19: error: `mp' undeclared (first use this function)
0_0_12887037_3024.cpp:25: error: ISO C++ forbids declaration of `it' with no type
0_0_12887037_3024.cpp:27: error: invalid type argument of `unary *'
0_0_12887037_3024.cpp:28: error: invalid type argument of `unary *'
0_0_12887037_3024.cpp:29: error: invalid type argument of `unary *'
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