Eroare de compilare: main.cpp:74:38: error: 'int y1' redeclared as different kind of symbol int n,m,ultel,R[100005],V[100005],x1,y1,s1,g1; ^~ 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 'int main()': main.cpp:103:17: error: assignment of function 'double y1(double)' y1=C[i].y; ^ main.cpp:103:17: error: cannot convert 'int' to 'double(double) throw ()' in assignment main.cpp:107:34: warning: pointer to a function used in arithmetic [-Wpointer-arith] V[min(n+1, x1 + ( ( y1 - x1 ) / s1 + 1 ) * s1 ) ] -= g1; ^~ main.cpp:107:39: error: invalid operands of types 'double (*)(double) throw ()' and 'int' to binary 'operator/' V[min(n+1, x1 + ( ( y1 - x1 ) / s1 + 1 ) * s1 ) ] -= g1; ~~~~~~~~~~~~^~~~ main.cpp: In member function 'char InParser::read_ch()': main.cpp:23:29: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(buff, 1, 4096, fin); ^ Non zero exit status: 1