Compilare: user.cpp: In function ‘int main()’: user.cpp:20:59: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] a[i][j][k]=max(max(a[i-1][j][k],a[i-1][j+(1<<i-1)][k]),max(a[i-1][j][k+(1<<i-1)],a[i-1][j+(1<<i-1)][k+(1<<i-1)])); ^ user.cpp:20:89: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] a[i][j][k]=max(max(a[i-1][j][k],a[i-1][j+(1<<i-1)][k]),max(a[i-1][j][k+(1<<i-1)],a[i-1][j+(1<<i-1)][k+(1<<i-1)])); ^ user.cpp:20:108: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] a[i][j][k]=max(max(a[i-1][j][k],a[i-1][j+(1<<i-1)][k]),max(a[i-1][j][k+(1<<i-1)],a[i-1][j+(1<<i-1)][k+(1<<i-1)])); ^ user.cpp:20:120: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] a[i][j][k]=max(max(a[i-1][j][k],a[i-1][j+(1<<i-1)][k]),max(a[i-1][j][k+(1<<i-1)],a[i-1][j+(1<<i-1)][k+(1<<i-1)])); ^