Compilare: user.cpp: In function ‘void afis()’: user.cpp:70:36: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(g,"%d ",a[i][j]); ^ user.cpp: In function ‘void citire()’: user.cpp:12:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d\n", &n, &k); ^ user.cpp:15:47: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %s\n", &lin, &col, in); ^