Compilare: user.cpp: In function ‘short int allInOne(short int, short int, short int, unsigned int*)’: user.cpp:16:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j+pas <= n && vec[j+pas] <= c) j+= pas; ^ user.cpp:19:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(vec[j] == c) return j; ^ user.cpp:25:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j+pas <= n && vec[j+pas] <= c) j+= pas; ^ user.cpp:33:45: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j+pas <= n && vec[j+pas] < c) j+= pas; ^ user.cpp:38:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:43:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%hd" , &n); ^ user.cpp:44:47: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=0;i<n;i++) fscanf(in, "%u" , &el[i]); ^ user.cpp:45:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%hd" , &m); ^ user.cpp:48:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in , "%hd %hd" , &x, &c); ^