Compilare: main.cpp: In function 'int main()': main.cpp:16:18: warning: unused variable 'nr' [-Wunused-variable] int n, i, j, nr, ok, ok1, sol, nrmn=0; ^~ main.cpp:16:22: warning: unused variable 'ok' [-Wunused-variable] int n, i, j, nr, ok, ok1, sol, nrmn=0; ^~ main.cpp:16:26: warning: unused variable 'ok1' [-Wunused-variable] int n, i, j, nr, ok, ok1, sol, nrmn=0; ^~~ main.cpp:16:31: warning: unused variable 'sol' [-Wunused-variable] int n, i, j, nr, ok, ok1, sol, nrmn=0; ^~~ main.cpp:16:36: warning: variable 'nrmn' set but not used [-Wunused-but-set-variable] int n, i, j, nr, ok, ok1, sol, nrmn=0; ^~~~