0_0_9218395_22725.cpp: In function `int Geo::dblcmp(double)':
0_0_9218395_22725.cpp:5: error: `fabs' undeclared (first use this function)
0_0_9218395_22725.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9218395_22725.cpp: In member function `void Geo::Point2D::input()':
0_0_9218395_22725.cpp:15: error: `scanf' undeclared (first use this function)
0_0_9218395_22725.cpp: In member function `void Geo::Point2D::output()':
0_0_9218395_22725.cpp:18: error: `printf' undeclared (first use this function)
0_0_9218395_22725.cpp: In member function `double Geo::Point2D::len()':
0_0_9218395_22725.cpp:27: error: `hypot' undeclared (first use this function)
0_0_9218395_22725.cpp: In member function `double Geo::Point2D::distance(Geo::Point2D)':
0_0_9218395_22725.cpp:51: error: `hypot' undeclared (first use this function)
0_0_9218395_22725.cpp: In member function `double Geo::Point2D::rad(Geo::Point2D, Geo::Point2D)':
0_0_9218395_22725.cpp:73: error: `fabs' undeclared (first use this function)
0_0_9218395_22725.cpp:73: error: `atan2' undeclared (first use this function)
0_0_9218395_22725.cpp: In member function `Geo::Point2D Geo::Point2D::rotate(Geo::Point2D, double)':
0_0_9218395_22725.cpp:90: error: `cos' undeclared (first use this function)
0_0_9218395_22725.cpp:90: error: `sin' undeclared (first use this function)
0_0_9218395_22725.cpp: At global scope:
0_0_9218395_22725.cpp:101: error: `DB' does not name a type
0_0_9218395_22725.cpp:106: error: `DB' does not name a type
0_0_9218395_22725.cpp:122: error: `DB' does not name a type
0_0_9218395_22725.cpp:130: error: `DB' does not name a type
0_0_9218395_22725.cpp:136: error: expected constructor, destructor, or type conversion before '<' token
0_0_9218395_22725.cpp:136: error: expected `,' or `;' before '<' token
0_0_9218395_22725.cpp: In function `bool inSeg(Geo::Point2D, Geo::Point2D, Geo::Point2D)':
0_0_9218395_22725.cpp:138: error: `fmin' undeclared (first use this function)
0_0_9218395_22725.cpp:139: error: `fmax' undeclared (first use this function)
0_0_9218395_22725.cpp: In function `bool check(Geo::Point2D, Geo::Point2D, Geo::Point2D)':
0_0_9218395_22725.cpp:150: error: `f' undeclared (first use this function)
0_0_9218395_22725.cpp: In function `void solve()':
0_0_9218395_22725.cpp:154: error: `scanf' undeclared (first use this function)
0_0_9218395_22725.cpp:157: error: `h' undeclared (first use this function)
0_0_9218395_22725.cpp:159: error: `puts' undeclared (first use this function)
0_0_9218395_22725.cpp:169: error: `f' undeclared (first use this function)
0_0_9218395_22725.cpp:183: error: `DB' undeclared (first use this function)
0_0_9218395_22725.cpp:183: error: expected `;' before "kk"
0_0_9218395_22725.cpp:184: error: expected `;' before "bb"
0_0_9218395_22725.cpp:185: error: expected `;' before "A"
0_0_9218395_22725.cpp:186: error: `A' undeclared (first use this function)
0_0_9218395_22725.cpp:187: error: expected `;' before "x1"
0_0_9218395_22725.cpp:188: error: expected `;' before "x2"
0_0_9218395_22725.cpp:189: error: `x1' undeclared (first use this function)
0_0_9218395_22725.cpp:190: error: `x2' undeclared (first use this function)
0_0_9218395_22725.cpp:202: error: `ALL' undeclared (first use this function)
0_0_9218395_22725.cpp:202: error: `sort' undeclared (first use this function)
0_0_9218395_22725.cpp:203: error: expected `;' before "ans"
0_0_9218395_22725.cpp:204: error: `SZ' undeclared (first use this function)
0_0_9218395_22725.cpp:205: error: expected `;' before "L"
0_0_9218395_22725.cpp:206: error: `R' undeclared (first use this function)
0_0_9218395_22725.cpp:206: error: `L' undeclared (first use this function)
0_0_9218395_22725.cpp:207: error: `ans' undeclared (first use this function)
0_0_9218395_22725.cpp:207: error: `f0' undeclared (first use this function)
0_0_9218395_22725.cpp:207: error: `adaptive_simpsons' undeclared (first use this function)
0_0_9218395_22725.cpp:214: error: `printf' undeclared (first use this function)
0_0_9218395_22725.cpp: In function `int main()':
0_0_9218395_22725.cpp:219: error: `scanf' undeclared (first use this function)
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