Compilare: main.cpp: In function 'int main()': main.cpp:71:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&t); ^ main.cpp:74:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ main.cpp:77:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&l[j]); ^ main.cpp: In function 'int bs()': main.cpp:67:12: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized] return r; ^