Submission #906300

#	Time	Username	Problem	Language	Result	Execution time	Memory
906300		vjudge1	Vision Program (IOI19_vision)	C++17	100 / 100	19 ms	2452 KiB

vision

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

#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define F first
#define S second
#define pb push_back
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

int one,zero;

// vi add(vi src, int v){
// 	vi res;
// 	int cin = zero;
// 	rep(i,0,sz(src)){
// 		vi inp = {src[i], cin};
// 		if(v&(1<<i)) inp.pb(one);
// 		// cout<<"inps:";
// 		// for(int x: inp)cout<<' '<<x;
// 		// cout<<endl;

// 		res.pb(add_xor(inp));

// 		if(sz(inp)==3){
// 			vi outs = {add_and({inp[0],inp[1]}),add_and({inp[1],inp[2]}),add_and({inp[0],inp[2]})};
// 			cin=add_or(outs);
// 		}else{
// 			cin=add_and(inp);
// 		}
// 	}
// 	return res;
// }

// vi negate(vi src){
// 	vi res;
// 	rep(i,0,sz(src)) res.pb(add_not(src[i]));
// 	return add(res,1);
// }

vi add(vi a, vi b){
	vi res;
	int cin = zero;
	rep(i,0,max(sz(a),sz(b))){
		vi inp = {cin};
		if(i<sz(a)) inp.pb(a[i]);
		if(i<sz(b)) inp.pb(b[i]);

		res.pb(add_xor(inp));

		if(sz(inp)==3){
			vi outs = {add_and({inp[0],inp[1]}),add_and({inp[1],inp[2]}),add_and({inp[0],inp[2]})};
			cin=add_or(outs);
		}else{
			cin=add_and(inp);
		}
	}
	return res;
}

void construct_network(int H, int W, int K) {

	// setup
	vi allcells;
	rep(i,0,H)rep(j,0,W)allcells.pb(i*W+j);
	one = add_or(allcells);
	zero = add_not(one);

	// vi inds= add({one,zero,one,zero},{one,one});
	// cout<<"at:";for(int x : inds) cout<<' '<<x;
	// cout<<endl;

	// return;

	vi counter(9,zero);

	int active = zero;
	rep(i,0,H){
		vi onrow;
		rep(j,0,W) onrow.pb(i*W+j);
		active = add_xor({active, add_xor(onrow)});
		// cout<<"active row "<<i<<": "<<active<<endl;
		counter = add(counter,{active});
	}

	active = zero;
	rep(j,0,W){
		vi oncol;
		rep(i,0,H) oncol.pb(i*W+j);
		active = add_xor({active, add_xor(oncol)});
		// cout<<"active col "<<j<<": "<<active<<endl;
		counter = add(counter,{active});
	}

	// cout<<"result:";
	// for(int x : counter) cout<<' '<<x;
	// cout<<endl;
	rep(i,0,sz(counter)){
		if(K&(1<<i)){
			counter[i]=add_not(counter[i]);
		}
	}

	add_not(add_or(counter));
}

• 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