0_0_12106783_9120.cpp:1:25: bits/stdc++.h: No such file or directory
0_0_12106783_9120.cpp: In function `bool judge(node, node)':
0_0_12106783_9120.cpp:30: error: `abs' undeclared (first use this function)
0_0_12106783_9120.cpp:30: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12106783_9120.cpp: In function `int main()':
0_0_12106783_9120.cpp:38: error: `scanf' undeclared (first use this function)
0_0_12106783_9120.cpp:42: error: `memset' undeclared (first use this function)
0_0_12106783_9120.cpp:51: error: `sort' undeclared (first use this function)
0_0_12106783_9120.cpp:67: error: `printf' undeclared (first use this function)
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