View Compilation Error

0_0_33728188_5393.cpp: In function 'int main()':
0_0_33728188_5393.cpp:53:12: error: 'min' is not a member of 'std'
        now=std::min(now,dp[sx][sy][cutx][ty]+dp[cutx+1][sy][tx][ty]+(ty-sy+1));
            ^
0_0_33728188_5393.cpp:55:12: error: 'min' is not a member of 'std'
        now=std::min(now,dp[sx][sy][tx][cuty]+dp[sx][cuty+1][tx][ty]+(tx-sx+1));
            ^