Submission #416321

#	Time	Username	Problem	Language	Result	Execution time	Memory
416321		xyz	Vision Program (IOI19_vision)	C++17	100 / 100	87 ms	5868 KiB

vision

#include <bits/stdc++.h>
#include "vision.h"
using namespace std;
typedef long long ll;

int solve(int H, int W, int K){
    vector<int> X[405], Y[405];
    for(int i = 0; i < H; i ++){
        for(int j = 0; j < W; j ++){
            X[i + j].push_back(i * W + j);
            Y[i + W - 1 - j].push_back(i * W + j);
        }
    }
    vector<int> allX, allY, prefX, prefY, result;
    for(int i = 0; i <= H + W - 2; i ++){
        allX.push_back(add_or(X[i]));
        allY.push_back(add_or(Y[i]));
        prefX.push_back(add_or(allX));
        prefY.push_back(add_or(allY));
        if(i >= K){
            result.push_back(add_and({allX[i], prefX[i - K]}));
            result.push_back(add_and({allY[i], prefY[i - K]}));
        }
    }
    return add_or(result);
}

void construct_network(int H, int W, int K) {
    if(H + W - 2 == K)
        solve(H, W, K);
    else
        add_xor({solve(H, W, K), solve(H, W, K + 1)});
}

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