Borderou de evaluare (job #621810)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:41:9: error: 'ifstream' was not declared in this scope; did you mean 'std::ifstream'? 41 | ifstream cin("circular.in"); | ^~~~~~~~ | std::ifstream In file included from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/ios:38, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/istream:38, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/sstream:38, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/complex:45, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/ccomplex:39, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/i686-pc-linux-gnu/bits/stdc++.h:54, from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/iosfwd:162:41: note: 'std::ifstream' declared here 162 | typedef basic_ifstream<char> ifstream; | ^~~~~~~~ main.cpp:42:9: error: 'cin' was not declared in this scope; did you mean 'std::cin'? 42 | cin>>N; | ^~~ | std::cin In file included from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/i686-pc-linux-gnu/bits/stdc++.h:75, from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/iostream:60:18: note: 'std::cin' declared here 60 | extern istream cin; /// Linked to standard input | ^~~ main.cpp:62:9: error: 'ofstream' was not declared in this scope; did you mean 'std::ofstream'? 62 | ofstream cout("circular.out"); | ^~~~~~~~ | std::ofstream In file included from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/ios:38, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/istream:38, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/sstream:38, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/complex:45, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/ccomplex:39, from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/i686-pc-linux-gnu/bits/stdc++.h:54, from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/iosfwd:165:41: note: 'std::ofstream' declared here 165 | typedef basic_ofstream<char> ofstream; | ^~~~~~~~ main.cpp:63:9: error: 'cout' was not declared in this scope; did you mean 'std::cout'? 63 | cout<<contor<<' '<<CircM; | ^~~~ | std::cout In file included from /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/i686-pc-linux-gnu/bits/stdc++.h:75, from main.cpp:1: /usr/lib/gcc/i686-pc-linux-gnu/11.2.0/include/g++-v11/iostream:61:18: note: 'std::cout' declared here 61 | extern ostream cout; /// Linked to standard output | ^~~~