Eroare de compilare: user.cpp:7:36: error: ‘int y1 [150005]’ redeclared as different kind of symbol int x1[150005],x2[150005],y1[150005],y2[150005]; ^ 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:16:41: warning: pointer to a function used in arithmetic [-Wpointer-arith] scanf("%d %d %d %d",&x1[i],&y1[i],&x2[i],&y2[i]); ^ user.cpp:16:56: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘double (*)(double)throw ()’ [-Wformat=] scanf("%d %d %d %d",&x1[i],&y1[i],&x2[i],&y2[i]); ^ user.cpp:17:33: warning: pointer to a function used in arithmetic [-Wpointer-arith] ++x1[i]; ++x2[i]; ++y1[i]; ++y2[i]; ^ user.cpp:17:33: error: ISO C++ forbids incrementing a pointer of type ‘double (*)(double)throw ()’ [-fpermissive] user.cpp:17:33: error: lvalue required as increment operand user.cpp:30:13: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[i]=W[x1[i]][y1[i]]; l[x2[i]]--; ^ user.cpp:30:28: warning: pointer to a function used in arithmetic [-Wpointer-arith] y1[i]=W[x1[i]][y1[i]]; l[x2[i]]--; ^ user.cpp:30:29: error: invalid types ‘int [30005][double(double)throw ()]’ for array subscript y1[i]=W[x1[i]][y1[i]]; l[x2[i]]--; ^ user.cpp:31:59: warning: pointer to a function used in arithmetic [-Wpointer-arith] a[x2[i]][--w[x2[i]][y2[i]]]=a[x1[i]][w[x1[i]][y1[i]]]; ^ user.cpp:31:60: error: invalid types ‘int [30005][double(double)throw ()]’ for array subscript a[x2[i]][--w[x2[i]][y2[i]]]=a[x1[i]][w[x1[i]][y1[i]]]; ^ user.cpp:32:31: warning: pointer to a function used in arithmetic [-Wpointer-arith] a[x1[i]][w[x1[i]][y1[i]]]=0; ^ user.cpp:32:32: error: invalid types ‘int [30005][double(double)throw ()]’ for array subscript a[x1[i]][w[x1[i]][y1[i]]]=0; ^ user.cpp:33:22: warning: pointer to a function used in arithmetic [-Wpointer-arith] W[x1[i]][y1[i]]--; ^ user.cpp:33:23: error: invalid types ‘int [30005][double(double)throw ()]’ for array subscript W[x1[i]][y1[i]]--; ^