Compilare: user.cpp: In function ‘int main()’: user.cpp:61:10: warning: unused variable ‘n’ [-Wunused-variable] int t, n, i, x, cr, sg; ^ user.cpp:61:13: warning: unused variable ‘i’ [-Wunused-variable] int t, n, i, x, cr, sg; ^ user.cpp:61:16: warning: unused variable ‘x’ [-Wunused-variable] int t, n, i, x, cr, sg; ^ user.cpp:61:19: warning: unused variable ‘cr’ [-Wunused-variable] int t, n, i, x, cr, sg; ^ user.cpp:61:23: warning: unused variable ‘sg’ [-Wunused-variable] int t, n, i, x, cr, sg; ^ user.cpp:62:8: warning: unused variable ‘eq’ [-Wunused-variable] bool eq; ^ user.cpp:64:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &t); ^