Submission #832620

#	Time	Username	Problem	Language	Result	Execution time	Memory
832620		benjaminkleyn	Vision Program (IOI19_vision)	C++17	0 / 100	3 ms	1616 KiB

vision

    #include "vision.h"
    #include <bits/stdc++.h>
    using namespace std;
     
    void construct_network(int h, int w, int k)
    {
        vector<int> rd1(w + h - 1);
        vector<int> rd2(w + h - 1);
        vector<int> ld1(w + h - 1);
        vector<int> ld2(w + h - 1);
        for (int d = 0; d < w + h - 1; d++)
        {
            vector<int> idxR, idxL;
            // i + j = d
            for (int i = 0, j = d; i < h && j >= 0; i++, j--)
                if (j < w) idxR.push_back(i * w + j);
            // i + (w - 1 - j) = d
            for (int i = 0, j = w - d - 1; i < h && j < w; i++, j++)
                if (j >= 0) idxL.push_back(i * w + j);
     
            rd1[d] = add_xor(idxR);
            rd2[d] = add_and({add_or(idxR), add_not(rd1[d])});
     
            ld1[d] = add_xor(idxL);
            ld2[d] = add_and({add_or(idxL), add_not(ld1[d])});
        }
     
        vector<int> A, B;
        for (int d = 0; d + k < w + h - 1; d++)
        {
            vector<int> idxR1, idxR2, idxL1, idxL2;
            for (int i = d; i <= d + k; i++)
            {
                idxR1.push_back(rd1[d]);
                idxR2.push_back(rd2[d]);
                idxL1.push_back(ld1[d]);
                idxL2.push_back(ld2[d]);
            }
            A.push_back(add_or({add_or(idxR2), add_and({add_or(idxR1), add_not(add_xor(idxR1))})}));
            B.push_back(add_or({add_or(idxL2), add_and({add_or(idxL1), add_not(add_xor(idxL1))})}));
        }
     
        vector<int> C, D;
        for (int d = 0; d + k - 1 < w + h - 1; d++)
        {
            vector<int> idxR1, idxR2, idxL1, idxL2;
            for (int i = d; i <= d + k - 1; i++)
            {
                idxR1.push_back(rd1[d]);
                idxR2.push_back(rd2[d]);
                idxL1.push_back(ld1[d]);
                idxL2.push_back(ld2[d]);
            }
            C.push_back(add_or({add_or(idxR2), add_and({add_or(idxR1), add_not(add_xor(idxR1))})}));
            D.push_back(add_or({add_or(idxL2), add_and({add_or(idxL1), add_not(add_xor(idxL1))})}));
        }
        int x = add_and({add_or(A), add_or(B)});
        int y = add_and({add_or(C), add_or(D)});
        add_and({x, add_not(y)});
    }

• Subtask 1: 0 / 10
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 15
• Subtask 5: 0 / 12
• Subtask 6: 0 / 8
• Subtask 7: 0 / 14
• Subtask 8: 0 / 19