Compilare: user.cpp: In function ‘long long int Check(int)’: user.cpp:20:9: warning: unused variable ‘i’ [-Wunused-variable] int i,st,dr,m,x; ^ user.cpp: In function ‘void Solve()’: user.cpp:40:9: warning: unused variable ‘i’ [-Wunused-variable] int i,st,dr,m; ^ user.cpp: In function ‘long long int Check(int)’: user.cpp:34:27: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] suma = s[x]+1LL*val*(n-x); ^ user.cpp: In function ‘void Solve()’: user.cpp:34:15: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] suma = s[x]+1LL*val*(n-x); ^ user.cpp:20:19: note: ‘x’ was declared here int i,st,dr,m,x; ^ user.cpp:34:27: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] suma = s[x]+1LL*val*(n-x); ^ user.cpp:20:19: note: ‘x’ was declared here int i,st,dr,m,x; ^