Compilare: user.cpp: In function ‘void solve()’: user.cpp:36:6: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (a[i-k]==median) ^ user.cpp:41:6: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (a[i-k]==before) ^ user.cpp:46:6: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (a[i-k]==after) ^ user.cpp:51:6: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (a[i-k]<before) ^ user.cpp:54:6: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (a[i-k]>after) ^ user.cpp: In function ‘int main()’: user.cpp:77:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&k); ^ user.cpp:79:46: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i=1;i<=n;++i) fscanf(fin,"%d",&a[i]); ^