Eroare de compilare: main.cpp: In member function 'double point::distanceTo(point, point)': main.cpp:47:30: error: call of overloaded 'abs(double)' is ambiguous dist = abs(yy - y); ^ In file included from /usr/include/c++/6/cstdlib:75:0, from /usr/include/c++/6/stdlib.h:36, from main.cpp:2: /usr/include/stdlib.h:774:12: note: candidate: int abs(int) extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur; ^~~ In file included from /usr/include/c++/6/stdlib.h:36:0, from main.cpp:2: /usr/include/c++/6/cstdlib:180:3: note: candidate: long long int std::abs(long long int) abs(long long __x) { return __builtin_llabs (__x); } ^~~ /usr/include/c++/6/cstdlib:172:3: note: candidate: long int std::abs(long int) abs(long __i) { return __builtin_labs(__i); } ^~~ main.cpp:53:53: error: call of overloaded 'abs(double)' is ambiguous dist = std::min(dist, (double)abs(xx - x)); ^ In file included from /usr/include/c++/6/cstdlib:75:0, from /usr/include/c++/6/stdlib.h:36, from main.cpp:2: /usr/include/stdlib.h:774:12: note: candidate: int abs(int) extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur; ^~~ In file included from /usr/include/c++/6/stdlib.h:36:0, from main.cpp:2: /usr/include/c++/6/cstdlib:180:3: note: candidate: long long int std::abs(long long int) abs(long long __x) { return __builtin_llabs (__x); } ^~~ /usr/include/c++/6/cstdlib:172:3: note: candidate: long int std::abs(long int) abs(long __i) { return __builtin_labs(__i); } ^~~ main.cpp: In function 'int main()': main.cpp:197:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("elicoptere.in", "r", stdin); ^ main.cpp:198:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("elicoptere.out", "w", stdout); ^ main.cpp:201:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &test_case, &n, &k); ^ main.cpp:206:60: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d%d", &x1, &y1, &x2, &y2, &x3, &y3); ^ Non zero exit status: 1