Compilare: user.cpp: In function ‘int main()’: user.cpp:19:59: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] r[i][j][k]=max(max(r[i-1][j][k],r[i-1][j+(1<<i-1)][k+(1<<i-1)]),max(r[i-1][j][k+(1<<i-1)],r[i-1][j+(1<<i-1)][k])); ^ user.cpp:19:71: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] r[i][j][k]=max(max(r[i-1][j][k],r[i-1][j+(1<<i-1)][k+(1<<i-1)]),max(r[i-1][j][k+(1<<i-1)],r[i-1][j+(1<<i-1)][k])); ^ user.cpp:19:98: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] r[i][j][k]=max(max(r[i-1][j][k],r[i-1][j+(1<<i-1)][k+(1<<i-1)]),max(r[i-1][j][k+(1<<i-1)],r[i-1][j+(1<<i-1)][k])); ^ user.cpp:19:117: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] r[i][j][k]=max(max(r[i-1][j][k],r[i-1][j+(1<<i-1)][k+(1<<i-1)]),max(r[i-1][j][k+(1<<i-1)],r[i-1][j+(1<<i-1)][k])); ^