Compilare: user.cpp: In function ‘int main()’: user.cpp:106:58: warning: ‘r2s2’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(g,"%d %d %d %d\n",r1s1-1,r1s2-1,r2s1-1,r2s2-1); ^ user.cpp:106:58: warning: ‘r2s1’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:106:58: warning: ‘r1s2’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:106:58: warning: ‘r1s1’ may be used uninitialized in this function [-Wmaybe-uninitialized]