Compilare: user.cpp: In function ‘void build_t()’: user.cpp:60:16: warning: unused variable ‘sp’ [-Wunused-variable] int x = 0, sp = 0; ^ user.cpp: In function ‘int solve()’: user.cpp:115:20: warning: variable ‘Tr’ set but not used [-Wunused-but-set-variable] int cmmmc = 1, Tr[2500], tt = 0; ^ user.cpp: In function ‘int fact(int)’: user.cpp:131:9: warning: unused variable ‘c’ [-Wunused-variable] int c = lcm, fact[1500], put[1500], fi = 0, ss=0,sol; ^ user.cpp:131:18: warning: unused variable ‘fact’ [-Wunused-variable] int c = lcm, fact[1500], put[1500], fi = 0, ss=0,sol; ^ user.cpp:131:30: warning: unused variable ‘put’ [-Wunused-variable] int c = lcm, fact[1500], put[1500], fi = 0, ss=0,sol; ^ user.cpp:131:41: warning: unused variable ‘fi’ [-Wunused-variable] int c = lcm, fact[1500], put[1500], fi = 0, ss=0,sol; ^ user.cpp:163:16: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^