View Compilation Error

0_0_30331714_27252.cpp: In function 'int main()':
0_0_30331714_27252.cpp:56:17: error: 'max' is not a member of 'std'
        b[cnt].l=std::max(b[cnt].l,a[i].l);
                 ^
0_0_30331714_27252.cpp:57:17: error: 'min' is not a member of 'std'
        b[cnt].r=std::min(b[cnt].r,a[i].r);
                 ^