Compilare: main.cpp: In function 'void algfil(int, int)': main.cpp:22:19: warning: iteration 3 invokes undefined behavior [-Waggressive-loop-optimizations] i_urm=di[k]+x; ~~~~^ main.cpp:19:18: note: within this loop for(int k=1;k<=4;k++) ~^~~ main.cpp: In function 'int main()': main.cpp:61:40: warning: iteration 3 invokes undefined behavior [-Waggressive-loop-optimizations] i1=i+di[d1];i2=i+di[d2]; ~~~~~^ main.cpp:58:32: note: within this loop for(int d2=1;d2<=4;d2++) ~~^~~ main.cpp:53:15: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] char x; ^ main.cpp:75:38: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized] } out<<aa<<" "<<b<<"\n"<<x; ^ main.cpp:75:24: warning: 'aa' may be used uninitialized in this function [-Wmaybe-uninitialized] } out<<aa<<" "<<b<<"\n"<<x; ^~~