Submission #617751

#	Time	Username	Problem	Language	Result	Execution time	Memory
617751		lorenzoferrari	Vision Program (IOI19_vision)	C++17	0 / 100	11 ms	1172 KiB

vision

#include "vision.h"
#include <vector>
#include <cassert>
using namespace std;



void construct_network(int h, int w, int k) {
    int fid;
    int tid;
    {
        int t = add_not(0);
        tid = add_or({0, t});
        fid = add_xor({0,0});
    }
    vector<int> rows(h);
    vector<int> cols(w);
    for (int i = 0; i < h; ++i) {
        vector<int> q;
        for (int j = 0; j < w; ++j) {
            q.push_back(i*w + j);
        }
        rows[i] = add_or(q);
    }
    for (int j = 0; j < w; ++j) {
        vector<int> q;
        for (int i = 0; i < h; ++i) {
            q.push_back(i*w + j);
        }
        cols[j] = add_or(q);
    }

    auto add_fixed = [&](vector<int> q, int d) -> int {
        assert(d > 0);
        vector<int> tor;
        for (int i = 0; i + d < (int)q.size(); ++i) {
            vector<int> qq{q[i], q[i+d]};
            tor.push_back(add_and(qq));
        }
        if (tor.empty()) return fid;
        return add_or(tor);
    };

    vector<int> dh(k+1);
    vector<int> dw(k+1);
    for (int i = 1; i <= k; ++i) {
        dh[i] = add_fixed(rows, i);
        dw[i] = add_fixed(cols, i);
    }
    vector<int> nh(k);
    vector<int> nw(k);
    for (int i = 1; i <= k; ++i) {
        nh[i-1] = add_not(dh[i]);
        nw[i-1] = add_not(dw[i]);
    }
    dh[0] = add_and(nh);
    dw[0] = add_and(nw);

    vector<int> tor;
    for (int i = 0; i <= k; ++i) {
        vector<int> q{dh[i], dw[k - i]};
        tor.push_back(add_and(q));
    }

    add_or(tor);
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:10:9: warning: variable 'tid' set but not used [-Wunused-but-set-variable]
   10 |     int tid;
      |         ^~~

• 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