Compilare: user.cpp: In function ‘int main()’: user.cpp:33:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ user.cpp:94:26: warning: ‘fc’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(lin==fl && col==fc) ^ user.cpp:94:15: warning: ‘fl’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(lin==fl && col==fc) ^ user.cpp:84:27: warning: ‘sc’ may be used uninitialized in this function [-Wmaybe-uninitialized] q[1][0]=sl; q[1][1]=sc; ^ user.cpp:84:15: warning: ‘sl’ may be used uninitialized in this function [-Wmaybe-uninitialized] q[1][0]=sl; q[1][1]=sc; ^