Compilare: main.cpp: In function 'int main()': main.cpp:37:9: warning: unused variable 'mem' [-Wunused-variable] 37 | int mem = -1; | ^~~ main.cpp: In function 'int nCk(int, int)': main.cpp:30:22: warning: 'res' may be used uninitialized [-Wmaybe-uninitialized] 30 | return (int)round(exp(res)); | ~~~~~^~~~~~~~~~ main.cpp:27:12: note: 'res' was declared here 27 | double res; | ^~~