Submission #1161098

#	Time	Username	Problem	Language	Result	Execution time	Memory
1161098		browntoad	Vision Program (IOI19_vision)	C++20	100 / 100	19 ms	3144 KiB

vision

#include <bits/stdc++.h>
#include "vision.h"
// #include "grader.cpp"
using namespace std;
#define ll long long
// #define int ll
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define REP(i, n) FOR(i, 0, n)
#define RREP(i, n) for (int i = (n)-1; i >= 0; i--)
#define RREP1(i, n) for (int i = (n); i >= 1; i--)
#define REP1(i, n) FOR(i, 1, n+1)
#define pii pair<int, int>
#define ppi pair<pii, int>
#define pip pair<int, pii>
#define f first
#define s second
#define pb push_back
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) (int)((x).size())
#define endl '\n'
#define IOS() ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)

const ll maxn = 205;
const ll inf = 1e9;
const ll mod = 998244353;

ll pw(ll x, ll p, ll m){
    ll ret = 1;
    while(p > 0){
        if (p & 1){
            ret *= x;
            ret %= m;
        }
        x *= x;
        x %= m;
        p >>= 1;
    }
    return ret;
}
ll inv(ll x, ll m){
    return pw(x, m-2, m);
}

int col[maxn][maxn];
int ord[maxn][maxn];

int n, m;
bool ok(int a, int b){
    return (a >= 0 && b >= 0 && a < n && b < m);
}

void run(int a, int b){

}
void construct_network(int H, int W, int k) {
    n = H; m = W;
	/*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);
	*/

	/*REP(i, H){
        REP(j, W){

            FOR(a, i, H){
                REP(b, W){
                    if (abs(a-i) + abs(b-j) == K){
                        pos.pb({i*W+j, a*W+b});
                    }
                }
            }
        }
	}
	*/

	vector<int> pos;

    if (n-1 > k){
        vector<int> xr;
        REP(i, n){
            vector<int> tmp;
            REP(j, m){
                tmp.pb(i*W + j);
            }
            xr.pb(add_xor(tmp));
        }

        vector<int> vc, pf, sf, fina;
        REP(i, n){
            if (i+k-1 >= n) break;
            vector<int> tmp;
            FOR(j, i, i+k) tmp.pb(xr[j]);
            vc.pb(add_or(tmp));
        }

        vector<int> cur;
        REP(i, SZ(vc)){
            cur.pb(vc[i]);
            pf.pb(add_or(cur));
        }
        cur.clear();
        RREP(i, SZ(vc)){
            cur.pb(vc[i]);
            sf.pb(add_or(cur));
        }
        reverse(ALL(sf));

        REP(i, SZ(vc)){
            int tmp = add_not(vc[i]);
            fina.pb(add_and({pf[i], sf[i], tmp}));
        }

        int res = add_or(fina);
        res = add_not(res);
        pos.pb(res);
    }


    if (m-1 > k){
        vector<int> xr;
        REP(j, m){
            vector<int> tmp;
            REP(i, n){
                tmp.pb(i*W + j);
            }
            xr.pb(add_xor(tmp));
        }

        vector<int> vc, pf, sf, fina;
        REP(j, m){
            if (j+k-1 >= m) break;
            vector<int> tmp;
            FOR(i, j, j+k) tmp.pb(xr[i]);
            vc.pb(add_or(tmp));
        }

        vector<int> cur;
        REP(i, SZ(vc)){
            cur.pb(vc[i]);
            pf.pb(add_or(cur));
        }
        cur.clear();
        RREP(i, SZ(vc)){
            cur.pb(vc[i]);
            sf.pb(add_or(cur));
        }
        reverse(ALL(sf));

        REP(i, SZ(vc)){
            int tmp = add_not(vc[i]);
            fina.pb(add_and({pf[i], sf[i], tmp}));
        }

        int res = add_or(fina);
        res = add_not(res);
        pos.pb(res);
    }



    // dis x+y = k
    {
        map<int, vector<int>> mp;
        REP(i, n){
            REP(j, m){
                if (!mp.count(i+j)){
                    mp[i+j] = {i*W + j};
                }
                else mp[i+j].pb(i*W + j);
            }
        }

        vector<int> xr, adid;
        for (auto [v, vv]:mp){
            xr.pb(add_xor(vv));
        }

        REP(i, SZ(xr)){
            if (i+k >= SZ(xr)) break;
            adid.pb(add_and({xr[i], xr[i+k]}));
        }

        pos.pb(add_or(adid));
    }
    {
        map<int, vector<int>> mp;
        REP(i, n){
            REP(j, m){
                if (!mp.count(i-j)){
                    mp[i-j] = {i*W + j};
                }
                else mp[i-j].pb(i*W + j);
            }
        }

        vector<int> xr, adid;
        for (auto [v, vv]:mp){
            xr.pb(add_xor(vv));
        }

        REP(i, SZ(xr)){
            if (i+k >= SZ(xr)) break;
            adid.pb(add_and({xr[i], xr[i+k]}));
        }

        pos.pb(add_or(adid));
    }
    pos[SZ(pos)-2] = add_or({pos[SZ(pos)-2], pos[SZ(pos)-1]});
    pos.pop_back();

	add_and(pos);
	return;

}

• 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