Compilare: main.cpp: In function 'bool Check(int)': main.cpp:112:19: warning: left operand of comma operator has no effect [-Wunused-value] if(cmat1[newx,newy]) break; ^~~~ main.cpp:114:18: warning: left operand of comma operator has no effect [-Wunused-value] if(cmat[newx,newy]) break; ^~~~ main.cpp:116:5: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(colour>0) ^ main.cpp:135:19: warning: left operand of comma operator has no effect [-Wunused-value] if(cmat1[newx,newy]) break; ^~~~ main.cpp:137:18: warning: left operand of comma operator has no effect [-Wunused-value] if(cmat[newx,newy]) break; ^~~~ main.cpp:139:5: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(colour>0) ^ main.cpp:158:19: warning: left operand of comma operator has no effect [-Wunused-value] if(cmat1[newx,newy]) break; ^~~~ main.cpp:160:18: warning: left operand of comma operator has no effect [-Wunused-value] if(cmat[newx,newy]) break; ^~~~ main.cpp:162:5: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(colour>0) ^ main.cpp:181:19: warning: left operand of comma operator has no effect [-Wunused-value] if(cmat1[newx,newy]) break; ^~~~ main.cpp:183:18: warning: left operand of comma operator has no effect [-Wunused-value] if(cmat[newx,newy]) break; ^~~~ main.cpp:185:5: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(colour>0) ^ main.cpp: In function 'void black_move()': main.cpp:289:25: warning: iteration 4 invokes undefined behavior [-Waggressive-loop-optimizations] int ii=i+Bishop[k].first; ~~~~~~~~~~^~~~~ main.cpp:287:18: note: within this loop for(int k=0;k<8;k++) ~^~ main.cpp: In function 'void play()': main.cpp:489:51: warning: 'posy' may be used uninitialized in this function [-Wmaybe-uninitialized] int ii=posx+Knight[t].first,jj=posy+Knight[t].second; ^~~~~~ main.cpp:489:27: warning: 'posx' may be used uninitialized in this function [-Wmaybe-uninitialized] int ii=posx+Knight[t].first,jj=posy+Knight[t].second;