Compilare: user.cpp: In function ‘int main()’: user.cpp:54:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<=n&&sum+v[j]<m){ ^ user.cpp:68:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<=n&&sum+v[j]<m){ ^ user.cpp:24:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d " ,&t); ^ user.cpp:25:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d " ,&n,&m); ^ user.cpp:27:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%llu " ,&v[i]); ^