Eroare de compilare: main.cpp:7:21: error: 'int div' redeclared as different kind of symbol int l,c,m,div1,div2,div,sum,maxim=-1; ^~~ In file included from /usr/include/c++/6/cstdlib:75:0, from /usr/include/c++/6/ext/string_conversions.h:41, from /usr/include/c++/6/bits/basic_string.h:5420, from /usr/include/c++/6/string:52, from /usr/include/c++/6/bits/locale_classes.h:40, from /usr/include/c++/6/bits/ios_base.h:41, from /usr/include/c++/6/ios:42, from /usr/include/c++/6/istream:38, from /usr/include/c++/6/fstream:38, from main.cpp:1: /usr/include/stdlib.h:788:14: note: previous declaration 'div_t div(int, int)' extern div_t div (int __numer, int __denom) ^~~ main.cpp: In function 'int main()': main.cpp:36:21: error: overloaded function with no contextual type information div=d; ^ main.cpp:39:43: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator-' sum=s[i][j]-s[i][j-div]-s[i-div][j]+s[i-div][j-div]; ~^~~~ main.cpp:39:52: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator-' sum=s[i][j]-s[i][j-div]-s[i-div][j]+s[i-div][j-div]; ~^~~~ main.cpp:39:64: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator-' sum=s[i][j]-s[i][j-div]-s[i-div][j]+s[i-div][j-div]; ~^~~~ main.cpp:39:71: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator-' sum=s[i][j]-s[i][j-div]-s[i-div][j]+s[i-div][j-div]; ~^~~~ Non zero exit status: 1