Compilare: main.cpp: In function 'void pop(int)': main.cpp:25:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (h[2][b]!=x) b=h[2][h[2][b]]; ~~~~~~~^~~ main.cpp:28:24: warning: converting to non-pointer type 'unsigned int' from NULL [-Wconversion-null] toph--; h[1][toph]=NULL;h[2][toph]=NULL; ^~~~ main.cpp:28:40: warning: converting to non-pointer type 'unsigned int' from NULL [-Wconversion-null] toph--; h[1][toph]=NULL;h[2][toph]=NULL; ^~~~ main.cpp: In function 'int main()': main.cpp:59:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(h[1][c]) {if(h[1][c]<z) z=h[1][c];c++;} ~~~~~~~^~ main.cpp: In function 'void push(int)': main.cpp:11:19: warning: array subscript is above array bounds [-Warray-bounds] h[1][k]=x; h[2][k]=k; ~~~^ main.cpp:14:38: warning: array subscript is above array bounds [-Warray-bounds] a=h[1][k/2]; b=h[2][k/2]; ~~~^ main.cpp:15:46: warning: array subscript is above array bounds [-Warray-bounds] h[1][k/2]=h[1][k]; h[2][k/2]=h[2][k]; ~~~^ main.cpp:15:36: warning: array subscript is above array bounds [-Warray-bounds] h[1][k/2]=h[1][k]; h[2][k/2]=h[2][k]; ~~~^ main.cpp:16:36: warning: array subscript is above array bounds [-Warray-bounds] h[1][k]=a; h[2][k]=b; ~~~^ main.cpp: In function 'void pop(int)': main.cpp:24:19: warning: array subscript is above array bounds [-Warray-bounds] int a,b; b=h[2][x]; ~~~^ main.cpp:25:15: warning: array subscript is above array bounds [-Warray-bounds] while (h[2][b]!=x) b=h[2][h[2][b]]; ~~~^ main.cpp:25:29: warning: array subscript is above array bounds [-Warray-bounds] while (h[2][b]!=x) b=h[2][h[2][b]]; ~~~^ main.cpp:27:16: warning: array subscript is above array bounds [-Warray-bounds] h[2][b]=h[2][toph-1]; ~~~^ main.cpp:27:8: warning: array subscript is above array bounds [-Warray-bounds] h[2][b]=h[2][toph-1]; ~~~^ main.cpp:28:32: warning: array subscript is above array bounds [-Warray-bounds] toph--; h[1][toph]=NULL;h[2][toph]=NULL; ~~~^ main.cpp:33:60: warning: array subscript is above array bounds [-Warray-bounds]