Compilare: user.cpp: In function ‘int minc(int)’: user.cpp:13:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=1;k<dim;k++) ^ user.cpp:14:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=k+1;j<=dim;j++) ^ user.cpp:15:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(x<a[k]+a[j]&&x>a[j]-a[k]) return minc(a[k]+a[j]); ^ user.cpp:15:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(x<a[k]+a[j]&&x>a[j]-a[k]) return minc(a[k]+a[j]); ^ user.cpp:16:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=1;k<=dim;k++) ^ user.cpp:17:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(a[k]==x) ok=0; ^ user.cpp: In function ‘int main()’: user.cpp:25:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%u%u%u",&v,&n,&k); ^ user.cpp:27:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=n;i++) fscanf(f,"%u",&a[i]); ^