Compilare: user.cpp: In function ‘int main()’: user.cpp:88:23: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(a==x) ^ user.cpp:81:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(s==maxtot) ^ user.cpp:8:15: warning: unused variable ‘k’ [-Wunused-variable] int n,i,j,k,maxtot=-1,s,x,y,z,maxv,minv,a,b,c,max1,max2; ^ user.cpp:8:31: warning: unused variable ‘y’ [-Wunused-variable] int n,i,j,k,maxtot=-1,s,x,y,z,maxv,minv,a,b,c,max1,max2; ^ user.cpp:6:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("split.in","r",stdin); ^ user.cpp:7:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("split.out","w",stdout); ^ user.cpp:9:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:11:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ user.cpp:8:49: warning: ‘c’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,i,j,k,maxtot=-1,s,x,y,z,maxv,minv,a,b,c,max1,max2; ^ user.cpp:94:29: warning: ‘b’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(j==b) ^ user.cpp:88:21: warning: ‘a’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(a==x) ^