/in/foo.cc:9:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:26:46: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
    fMax[i][j] = max(fMax[i][j-1],fMax[i+(1<<j-1)][j-1]);
                                             ~^~
/in/foo.cc:27:46: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
    fMin[i][j] = min(fMin[i][j-1],fMin[i+(1<<j-1)][j-1]);
                                             ~^~