Submission #979528

#	Time	Username	Problem	Language	Result	Execution time	Memory
979528		yhkhoo	Vision Program (IOI19_vision)	C++17	100 / 100	37 ms	4700 KiB

vision

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

#define pb push_back

void construct_network(int H, int W, int K){
	if(H*W == 2){
		add_or({0, 1});
		return;
	}
	int d = H+W-1, mhw = min(H, W);
	int hw = add_and({0, 1, 2});
	vector<int> d1v;
	d1v.reserve(d);
	for(int i=0; i<d; i++){
		vector<int> cur;
		for(int j=0; j<H; j++){
			int ch = j, cw = i-j;
			if(ch > -1 && ch < H && cw > -1 && cw < W){
				cur.pb(cw + ch*W);
			}
		}
		if(!cur.size()){
			cerr << 'i' << i << '\n';
		}
		d1v.pb(add_or(cur));
	}
	vector<int> d2v;
	d2v.reserve(d);
	for(int i=0; i<d; i++){
		vector<int> cur;
		for(int j=0; j<H; j++){
			int ch = j, cw = W-1-i+j;
			if(ch > -1 && ch < H && cw > -1 && cw < W){
				cur.pb(cw + ch*W);
			}
		}
		if(!cur.size()){
			cerr << 'i' << i << '\n';
		}
		d2v.pb(add_or(cur));
	}
	vector<int> k1v, k2v, j1v, j2v;
	int o1 = add_xor(d1v), o2 = add_xor(d2v);
	k1v.pb(o1); j1v.pb(o1);
	k2v.pb(o2); j2v.pb(o2);
	vector<int> pro;
	for(int i=0; i<K; i++){
		pro.pb(d1v[i]);
	}
	for(int j=K; j<d; j++){
		pro.pb(d1v[j]);
		k1v.pb(add_and({add_or(pro), add_not(add_xor(pro))}));
		pro.erase(pro.begin());
	}
	pro.clear();
	for(int i=0; i<K; i++){
		pro.pb(d2v[i]);
	}
	for(int j=K; j<d; j++){
		pro.pb(d2v[j]);
		k2v.pb(add_and({add_or(pro), add_not(add_xor(pro))}));
		pro.erase(pro.begin());
		
	}
	pro.clear();
	for(int i=0; i<K-1; i++){
		pro.pb(d1v[i]);
	}
	for(int j=K-1; j<d; j++){
		pro.pb(d1v[j]);
		j1v.pb(add_and({add_or(pro), add_not(add_xor(pro))}));
		pro.erase(pro.begin());
		
	}
	pro.clear();
	for(int i=0; i<K-1; i++){
		pro.pb(d2v[i]);
	}
	for(int j=K-1; j<d; j++){
		pro.pb(d2v[j]);
		j2v.pb(add_and({add_or(pro), add_not(add_xor(pro))}));
		pro.erase(pro.begin());
	}
	pro.clear();
	int k1 = add_or(k1v), k2 = add_or(k2v), j1, j2;
	if(K!=1){
		j1 = add_or(j1v), j2 = add_or(j2v);
	}
	else{
		j1 = hw, j2 = hw;
	}
	int nc = add_or({add_not(k1), add_not(k2)}), c1 = add_and({k1, add_not(j1)}), c2 = add_and({k2, add_not(j2)});
	cerr << nc << ' ' << c1 << ' ' << c2 << '\n';
	add_and({add_not(nc), add_or({c1, c2})});
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:12:17: warning: unused variable 'mhw' [-Wunused-variable]
   12 |  int d = H+W-1, mhw = min(H, W);
      |                 ^~~

• 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