Eroare de compilare: user.cpp:11:17: error: ‘int y1’ redeclared as different kind of symbol int n , m , x , y1 , y2 , y , p , maxY = 0; ^ In file included from /usr/include/features.h:357:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39, from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:420, from /usr/include/c++/4.8/cstdio:41, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:243:1: error: previous declaration of ‘double y1(double)’ __MATHCALL (y1,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:57:49: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘double (*)(double)throw ()’ [-Wformat=] fscanf(f , "%d %d %d\n" , &x , &y1 , &y2); ^ user.cpp:58:17: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if(y1 > maxY) maxY = y1; ^ user.cpp:58:28: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] if(y1 > maxY) maxY = y1; ^ user.cpp:60:40: error: invalid conversion from ‘double (*)(double)throw ()’ to ‘int’ [-fpermissive] target[i].x = x , target[i].y1 = y1 , target[i].y2 = y2; ^ user.cpp:54:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f , "%d %d\n" , &m , &n); ^ user.cpp:57:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f , "%d %d %d\n" , &x , &y1 , &y2); ^ user.cpp:78:47: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f , "%d %d %d\n", &x , &y , &p); ^