Compilare: main.cpp: In function 'int main()': main.cpp:43:57: warning: unused variable 's1' [-Wunused-variable] int x,y,x1,x2,y1,y2,s1x,s1y,s2x,s2y,kk,i,k,b,smax,s,s1,s2,ans1,ans2,j,stg,drp; ^~ main.cpp:43:60: warning: unused variable 's2' [-Wunused-variable] int x,y,x1,x2,y1,y2,s1x,s1y,s2x,s2y,kk,i,k,b,smax,s,s1,s2,ans1,ans2,j,stg,drp; ^~ main.cpp:43:63: warning: unused variable 'ans1' [-Wunused-variable] int x,y,x1,x2,y1,y2,s1x,s1y,s2x,s2y,kk,i,k,b,smax,s,s1,s2,ans1,ans2,j,stg,drp; ^~~~ main.cpp:43:68: warning: unused variable 'ans2' [-Wunused-variable] int x,y,x1,x2,y1,y2,s1x,s1y,s2x,s2y,kk,i,k,b,smax,s,s1,s2,ans1,ans2,j,stg,drp; ^~~~ main.cpp:43:75: warning: unused variable 'stg' [-Wunused-variable] int x,y,x1,x2,y1,y2,s1x,s1y,s2x,s2y,kk,i,k,b,smax,s,s1,s2,ans1,ans2,j,stg,drp; ^~~ main.cpp:43:79: warning: unused variable 'drp' [-Wunused-variable] int x,y,x1,x2,y1,y2,s1x,s1y,s2x,s2y,kk,i,k,b,smax,s,s1,s2,ans1,ans2,j,stg,drp; ^~~ main.cpp:50:12: warning: array subscript is above array bounds [-Warray-bounds] a[2][kk][b]=-1; ~~~^