Borderou de evaluare (job #742182)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:12:5: error: 'cin' was not declared in this scope 12 | cin>>a; | ^~~ main.cpp:3:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 2 | #include <cstring> +++ |+#include <iostream> 3 | main.cpp:13:15: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'unsigned int'} [-Wsign-compare] 13 | for(i=0; i<strlen(a); i++) | ~^~~~~~~~~~ main.cpp:17:13: error: 'cout' was not declared in this scope 17 | cout<<'a'; | ^~~~ main.cpp:17:13: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'? main.cpp:22:13: error: 'cout' was not declared in this scope 22 | cout<<a[i]; | ^~~~ main.cpp:22:13: note: 'std::cout' is defined in header '<iostream>'; did you forget to '#include <iostream>'?