Borderou de evaluare (job #735682)

Eroare de compilare: main.cpp: In function 'int main()': main.cpp:13:5: error: 'cin' was not declared in this scope 13 | cin>>k>>a>>b; | ^~~ main.cpp:2:1: note: 'std::cin' is defined in header '<iostream>'; did you forget to '#include <iostream>'? 1 | #include <fstream> +++ |+#include <iostream> 2 | main.cpp:12:31: warning: unused variable 'nra' [-Wunused-variable] 12 | long long a,b,k,ogla=0,ca,nra=0,nrb=0,ck,nrza=0; | ^~~ main.cpp:12:37: warning: unused variable 'nrb' [-Wunused-variable] 12 | long long a,b,k,ogla=0,ca,nra=0,nrb=0,ck,nrza=0; | ^~~ main.cpp:12:43: warning: unused variable 'ck' [-Wunused-variable] 12 | long long a,b,k,ogla=0,ca,nra=0,nrb=0,ck,nrza=0; | ^~