Compilare: user.cpp: In function ‘int main()’: user.cpp:9:24: warning: unused variable ‘cc’ [-Wunused-variable] int n,i,a,a1,c,s,b,cc,cd,f,d,minc,mina,l; ^ user.cpp:9:27: warning: unused variable ‘cd’ [-Wunused-variable] int n,i,a,a1,c,s,b,cc,cd,f,d,minc,mina,l; ^ user.cpp:9:30: warning: unused variable ‘f’ [-Wunused-variable] int n,i,a,a1,c,s,b,cc,cd,f,d,minc,mina,l; ^ user.cpp:9:32: warning: unused variable ‘d’ [-Wunused-variable] int n,i,a,a1,c,s,b,cc,cd,f,d,minc,mina,l; ^ user.cpp:7:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("minecraft.in","r",stdin); ^ user.cpp:8:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("minecraft.out","w",stdout); ^ user.cpp:10:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&n); ^ user.cpp:15:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&a); ^