Submission #727637

# Submission time Handle Problem Language Result Execution time Memory
727637 2023-04-21T04:21:51 Z PixelCat Vision Program (IOI19_vision) C++14
0 / 100
11 ms 2220 KB
#include "vision.h"
#ifdef NYAOWO
#include "grader.cpp"
#endif
 
#include <bits/stdc++.h>
#define For(i, a, b) for(int i = a; i <= b; i++)
#define Forr(i,a, b) for(int i = a; i >= b; i--)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define sz(x) ((int)x.size())
#define eb emplace_back
// #define int LL
using namespace std;
using LL = long long;
using pii = pair<int, int>;
 
const int MAXN = 410;
const int MAXLG = 10;

vector<vector<int>> dia1; // x + y, [0, H + W - 2]
vector<vector<int>> dia2; // x - y + W - 1, [0, H + W - 2]
int xor1[MAXN], xor2[MAXN];
int or1[MAXN][MAXLG], or2[MAXN][MAXLG];

int check(int k) {
    int lg = __lg(k + 1);
    int k2 = 1 << lg;
    int n = sz(dia1);
    if(k == 0) return xor1[n - 1];
    // cout << "\n";
    // cout << lg << " " << k2 << "\n";

    vector<int> v;
    For(i, 0, n - k - 1) {
        // cout << i << " " << i + k << "\n";
        // or = 1, xor = 0  =>  2 black cells
        v.eb(add_xor({
            add_or({or1[i][lg], or1[i + k - k2 + 1][lg]}),
            (i > 0 ? add_xor({xor1[i], xor1[i + k + 1]}) : xor1[i + k + 1])
        }));
    }
    int a = add_or(v);

    v.clear();
    For(i, 0, n - k - 1) {
        // or = 1, xor = 0  =>  2 black cells
        v.eb(add_xor({
            add_or({or2[i][lg], or2[i + k - k2 + 1][lg]}),
            (i > 0 ? add_xor({xor2[i], xor2[i + k + 1]}) : xor2[i + k + 1])
        }));
    }
    int b = add_or(v);

    // cout << "output: " << a << " " << b << "\n";
    return add_and({a, b});
}

void construct_network(int H, int W, int K) {
    // std::vector<int> Ns;
    // Ns = {0, 1};
    // int a = add_and(Ns);
    // Ns = {0, a};
    // int b = add_or(Ns);
    // Ns = {0, 1, b};
    // int c = add_xor(Ns);
    // add_not(c);
    int n = H + W - 1;
    dia1.resize(n);
    dia2.resize(n);
    For(i, 0, H - 1) For(j, 0, W - 1) {
        int id = i * W + j;
        dia1[i + j].eb(id);
        dia2[i - j + W - 1].eb(id);
    }

    For(i, 0, n - 1) {
        if(i) dia1[i].eb(xor1[i]);
        xor1[i + 1] = add_xor(dia1[i]);
        if(i) dia1[i].pop_back();

        if(i) dia2[i].eb(xor2[i]);
        xor2[i + 1] = add_xor(dia2[i]);
        if(i) dia2[i].pop_back();
    }
    Forr(i, n - 1, 0) {
        or1[i][0] = add_or(dia1[i]);
        or2[i][0] = add_or(dia2[i]);
        For(j, 0, MAXLG - 2) {
            or1[i][j + 1] = or1[i][j];
            or2[i][j + 1] = or2[i][j];
            if(i + (1 << j) < n) {
                or1[i][j + 1] = add_or({or1[i][j], or1[i + (1 << j)][j]});
                or2[i][j + 1] = add_or({or2[i][j], or2[i + (1 << j)][j]});
            }
        }
    }

    int a = check(K);
    int b = check(K - 1);
    b = add_not(b);
    add_and({a, b});
}
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB on inputs (0, 1), (0, 2), expected 1, but computed 0
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB on inputs (0, 1), (0, 2), expected 1, but computed 0
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB on inputs (0, 1), (0, 2), expected 1, but computed 0
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB on inputs (0, 1), (0, 2), expected 1, but computed 0
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 724 KB on inputs (0, 197), (0, 198), expected 1, but computed 0
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 4 ms 692 KB Output is correct
4 Correct 3 ms 724 KB Output is correct
5 Correct 3 ms 596 KB Output is correct
6 Correct 3 ms 684 KB Output is correct
7 Correct 3 ms 596 KB Output is correct
8 Correct 5 ms 852 KB Output is correct
9 Correct 5 ms 944 KB Output is correct
10 Correct 4 ms 852 KB Output is correct
11 Correct 4 ms 852 KB Output is correct
12 Correct 4 ms 852 KB Output is correct
13 Correct 3 ms 688 KB Output is correct
14 Correct 3 ms 692 KB Output is correct
15 Correct 3 ms 688 KB Output is correct
16 Correct 2 ms 596 KB Output is correct
17 Correct 4 ms 724 KB Output is correct
18 Correct 3 ms 724 KB Output is correct
19 Correct 2 ms 720 KB Output is correct
20 Correct 11 ms 1840 KB Output is correct
21 Correct 11 ms 1872 KB Output is correct
22 Correct 11 ms 1792 KB Output is correct
23 Correct 11 ms 1708 KB Output is correct
24 Correct 11 ms 1872 KB Output is correct
25 Correct 11 ms 1872 KB Output is correct
26 Correct 11 ms 1744 KB Output is correct
27 Incorrect 3 ms 2220 KB WA in grader: Too many instructions
28 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 2128 KB WA in grader: Too many instructions
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB on inputs (0, 1), (0, 2), expected 1, but computed 0
2 Halted 0 ms 0 KB -