Eroare de compilare: user.cpp:17:44: error: ‘int j1’ redeclared as different kind of symbol int mn , mx , s , ii ,iff , ci , cf , i1 , j1; ^ 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:240:1: error: previous declaration of ‘double j1(double)’ __MATHCALL (j1,, (_Mdouble_)); ^ user.cpp: In function ‘int main()’: user.cpp:96:34: error: assignment of function ‘double j1(double)’ for ( j1 = ci ; j1 <= cf ; j1 ++) ^ user.cpp:96:34: error: cannot convert ‘int’ to ‘double(double)throw ()’ in assignment user.cpp:96:47: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] for ( j1 = ci ; j1 <= cf ; j1 ++) ^ user.cpp:96:55: error: ISO C++ forbids incrementing a pointer of type ‘double (*)(double)throw ()’ [-fpermissive] for ( j1 = ci ; j1 <= cf ; j1 ++) ^ user.cpp:96:55: error: lvalue required as increment operand user.cpp:97:44: error: invalid types ‘int [1020][double(double)throw ()]’ for array subscript if ( c[a[i1][j1]] == 0 && i != i1 && j1 != j) ^ user.cpp:97:72: error: ISO C++ forbids comparison between pointer and integer [-fpermissive] if ( c[a[i1][j1]] == 0 && i != i1 && j1 != j) ^ user.cpp:99:54: error: invalid types ‘int [1020][double(double)throw ()]’ for array subscript if ( mxvip < a[i1][j1]) ^ user.cpp:100:53: error: invalid types ‘int [1020][double(double)throw ()]’ for array subscript mxvip = a[i1][j1]; ^ user.cpp:26:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( IN , "r" , stdin ); ^ user.cpp:27:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( OUT , "w" , stdout ); ^ user.cpp:29:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d" , &V , &n , &m , &D); ^ user.cpp:38:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d" , &a[i][j]); ^