0_0_7628912_5578.cpp: In function `int root(int)':
0_0_7628912_5578.cpp:23: error: `set' undeclared (first use this function)
0_0_7628912_5578.cpp:23: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_7628912_5578.cpp: At global scope:
0_0_7628912_5578.cpp:28: error: `int set[100]' used prior to declaration
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