Borderou de evaluare (job #662125)

Compilare: main.cpp: In function 'std::string Solution(ull)': main.cpp:38:25: warning: comparison of integer expressions of different signedness: 'ull' {aka 'long long unsigned int'} and 'int' [-Wsign-compare] 38 | if (K2 % 10 != cif) | ~~~~~~~~^~~~~~ main.cpp:18:10: warning: unused variable 'prevC' [-Wunused-variable] 18 | int prevC, k = 1,len=sameDigits.size(),i,cif; | ^~~~~ main.cpp: In function 'int main()': main.cpp:57:9: warning: unused variable 'prevC' [-Wunused-variable] 57 | int prevC, k = 1; | ^~~~~ main.cpp:57:16: warning: unused variable 'k' [-Wunused-variable] 57 | int prevC, k = 1; | ^ main.cpp:58:10: warning: unused variable 'ok' [-Wunused-variable] 58 | bool ok = true; | ^~