Borderou de evaluare (job #681901)

Eroare de compilare: main.cpp:4:10: error: conflicting declaration 'std::ofstream cin' 4 | ofstream cin("algebra.out"); | ^~~ main.cpp:3:10: note: previous declaration as 'std::ifstream cin' 3 | ifstream cin("algebra.in"); | ^~~ main.cpp: In function 'int main()': main.cpp:19:9: error: 'cout' was not declared in this scope 19 | cout<<a; | ^~~~ main.cpp:2:1: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 1 | #include <fstream> +++ |+#include <iostream> 2 | using namespace std; main.cpp:31:9: error: 'cout' was not declared in this scope 31 | cout<<n/a*m; | ^~~~ main.cpp:31:9: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? main.cpp:36:19: error: 'm' was not declared in this scope 36 | for(int i=m ; i<= n ; i++ ) | ^ main.cpp:37:18: error: 'k' was not declared in this scope 37 | if(i%k==0) | ^ main.cpp:40:9: error: 'cout' was not declared in this scope 40 | cout<<cnt; | ^~~~ main.cpp:40:9: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? main.cpp:45:15: error: 'c' was not declared in this scope 45 | while(c>1) | ^ main.cpp:53:9: error: 'cout' was not declared in this scope 53 | cout<<d; | ^~~~ main.cpp:53:9: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? main.cpp:60:13: error: 'z' was not declared in this scope 60 | z*=10; | ^ main.cpp:65:18: error: 'z' was not declared in this scope 65 | cn=a%z; | ^ main.cpp:70:9: error: 'cout' was not declared in this scope 70 | cout<< maxx; | ^~~~ main.cpp:70:9: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?