Compilare: user.cpp: In function ‘int intreaba(long long unsigned int*, long long unsigned int*)’: user.cpp:24:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<a[0]; i++) ^ user.cpp:70:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1; i<=a[i]; i++) ^ user.cpp: In function ‘void probl()’: user.cpp:125:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(act*(j-i+1)>rez) ^ user.cpp:93:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d %d\n",&l,&c); ^ user.cpp:97:25: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(v[i],Q,in); ^ user.cpp: In function ‘int main()’: user.cpp:136:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&t); ^