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0_0_12704729_22443.cpp:1:24: bits/stdc++.h: No such file or directory
0_0_12704729_22443.cpp: In function `int solve()':
0_0_12704729_22443.cpp:18: error: `sort' undeclared (first use this function)
0_0_12704729_22443.cpp:18: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12704729_22443.cpp:20: error: `unique' undeclared (first use this function)
0_0_12704729_22443.cpp:44: error: `max' undeclared (first use this function)
0_0_12704729_22443.cpp: In function `int main()':
0_0_12704729_22443.cpp:55: error: `scanf' undeclared (first use this function)
0_0_12704729_22443.cpp:62: error: `printf' undeclared (first use this function)