Compilare: user.cpp: In function ‘int main()’: user.cpp:56:21: warning: statement has no effect [-Wunused-value] b[8]==0; ^ user.cpp:58:21: warning: statement has no effect [-Wunused-value] b[9]==0; ^ user.cpp:80:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j-i+1<cutii) ^ user.cpp:12:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&p,&n); ^ user.cpp:13:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld",&m); ^ user.cpp:16:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld",&x); ^ user.cpp:27:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld",&x); ^ user.cpp:69:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%lld",&x); ^