Eroare de compilare: user.cpp:10: error: expected ‘,’ or ‘;’ before ‘ifstream’ user.cpp: In function ‘double Aria(Pair*, int)’: user.cpp:24: error: ‘struct std::pair<double, double>’ has no member named ‘x’ user.cpp:24: error: ‘struct std::pair<double, double>’ has no member named ‘y’ user.cpp:24: error: ‘struct std::pair<double, double>’ has no member named ‘x’ user.cpp:24: error: ‘struct std::pair<double, double>’ has no member named ‘y’ user.cpp: In function ‘int Sign(Pair, Pair, Pair)’: user.cpp:30: error: ‘struct Pair’ has no member named ‘y’ user.cpp:30: error: ‘struct Pair’ has no member named ‘y’ user.cpp:31: error: ‘struct Pair’ has no member named ‘x’ user.cpp:31: error: ‘struct Pair’ has no member named ‘x’ user.cpp:32: error: ‘struct Pair’ has no member named ‘x’ user.cpp:32: error: ‘struct Pair’ has no member named ‘y’ user.cpp:32: error: ‘struct Pair’ has no member named ‘y’ user.cpp:32: error: ‘struct Pair’ has no member named ‘x’ user.cpp:34: error: ‘struct Pair’ has no member named ‘x’ user.cpp:34: error: ‘struct Pair’ has no member named ‘y’ user.cpp:35: error: ‘struct Pair’ has no member named ‘x’ user.cpp:35: error: ‘struct Pair’ has no member named ‘y’ user.cpp: In function ‘Pair Int(Pair, Pair, Pair, Pair)’: user.cpp:42: error: ‘struct Pair’ has no member named ‘y’ user.cpp:42: error: ‘struct Pair’ has no member named ‘y’ user.cpp:43: error: ‘struct Pair’ has no member named ‘x’ user.cpp:43: error: ‘struct Pair’ has no member named ‘x’ user.cpp:44: error: ‘struct Pair’ has no member named ‘x’ user.cpp:44: error: ‘struct Pair’ has no member named ‘y’ user.cpp:44: error: ‘struct Pair’ has no member named ‘y’ user.cpp:44: error: ‘struct Pair’ has no member named ‘x’ user.cpp:46: error: ‘struct Pair’ has no member named ‘y’ user.cpp:46: error: ‘struct Pair’ has no member named ‘y’ user.cpp:47: error: ‘struct Pair’ has no member named ‘x’ user.cpp:47: error: ‘struct Pair’ has no member named ‘x’ user.cpp:48: error: ‘struct Pair’ has no member named ‘x’ user.cpp:48: error: ‘struct Pair’ has no member named ‘y’ user.cpp:48: error: ‘struct Pair’ has no member named ‘y’ user.cpp:48: error: ‘struct Pair’ has no member named ‘x’ user.cpp:51: error: ‘ax’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:58: error: ‘F’ was not declared in this scope user.cpp:89: error: ‘next’ was not declared in this scope user.cpp:90: error: ‘cur’ was not declared in this scope user.cpp:90: error: ‘next’ was not declared in this scope user.cpp:91: error: ‘cur’ was not declared in this scope user.cpp:91: error: ‘next’ was not declared in this scope user.cpp:93: error: ‘struct Pair’ has no member named ‘x’ user.cpp:93: error: ‘struct Pair’ has no member named ‘x’ user.cpp:94: error: ‘struct Pair’ has no member named ‘x’ user.cpp:94: error: ‘struct Pair’ has no member named ‘x’