Eroare de compilare: main.cpp:9:23: error: 'int y1 [100]' redeclared as different kind of symbol int n, x1[100], y1[100], x2[100], y2[100], x3[100], y3[100], x, y, ans[100], k; ^ In file included from /usr/include/features.h:367:0, from /usr/include/x86_64-linux-gnu/c++/6/bits/os_defines.h:39, from /usr/include/x86_64-linux-gnu/c++/6/bits/c++config.h:507, from /usr/include/c++/6/cassert:43, from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:33, from main.cpp:1: /usr/include/x86_64-linux-gnu/bits/mathcalls.h:251:1: note: previous declaration 'double y1(double)' __MATHCALL (y1,, (_Mdouble_)); ^ main.cpp: In function 'bool in(int, int, int)': main.cpp:16:28: warning: pointer to a function used in arithmetic [-Wpointer-arith] int a = aria (x1[i], y1[i], x2[i], y2[i], x, y); ^ main.cpp:16:28: error: invalid conversion from 'double (*)(double) throw ()' to 'int' [-fpermissive] int a = aria (x1[i], y1[i], x2[i], y2[i], x, y); ~~~~^ main.cpp:11:5: note: initializing argument 2 of 'int aria(int, int, int, int, int, int)' int aria(int x1, int y1, int x2, int y2, int x3, int y3) { ^~~~ main.cpp:17:28: warning: pointer to a function used in arithmetic [-Wpointer-arith] int b = aria (x1[i], y1[i], x3[i], y3[i], x, y); ^ main.cpp:17:28: error: invalid conversion from 'double (*)(double) throw ()' to 'int' [-fpermissive] int b = aria (x1[i], y1[i], x3[i], y3[i], x, y); ~~~~^ main.cpp:11:5: note: initializing argument 2 of 'int aria(int, int, int, int, int, int)' int aria(int x1, int y1, int x2, int y2, int x3, int y3) { ^~~~ main.cpp:19:36: warning: pointer to a function used in arithmetic [-Wpointer-arith] if (a + b + c == aria(x1[i], y1[i], x2[i], y2[i], x3[i], y3[i])) ^ main.cpp:19:36: error: invalid conversion from 'double (*)(double) throw ()' to 'int' [-fpermissive] if (a + b + c == aria(x1[i], y1[i], x2[i], y2[i], x3[i], y3[i])) ~~~~^ main.cpp:11:5: note: initializing argument 2 of 'int aria(int, int, int, int, int, int)' int aria(int x1, int y1, int x2, int y2, int x3, int y3) { ^~~~ main.cpp: In function 'int main()': main.cpp:27:25: warning: pointer to a function used in arithmetic [-Wpointer-arith] fin >> x1[i] >> y1[i] >> x2[i] >> y2[i] >> x3[i] >> y3[i]; ^ main.cpp:27:18: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}' and 'double(double) throw ()') fin >> x1[i] >> y1[i] >> x2[i] >> y2[i] >> x3[i] >> y3[i]; ~~~~~~~~~~~~~^~~~~~~~ In file included from /usr/include/c++/6/sstream:38:0, from /usr/include/c++/6/complex:45, from /usr/include/c++/6/ccomplex:39, Non zero exit status: 1