Submission #210591

#	Time	Username	Problem	Language	Result	Execution time	Memory
210591		ZloyHR	Vision Program (IOI19_vision)	C++17	0 / 100	17 ms	1144 KiB

vision

#include "vision.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef pair<pll,ll> plll;
typedef pair<pll,pll> ppll;
typedef long double ld;

#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define fst first
#define snd second
#define ins insert
#define pb push_back
template< typename T,typename V>ostream &operator<< (ostream &out,const pair<T,V> x){ out << "{" << x.fst << " : " << x.snd << "}"; return out;}template< typename T>ostream &operator<< (ostream &out,const set<T> x){ for(auto &it : x){ out << it << " "; } return out;}template< typename T>ostream &operator<< (ostream &out,const multiset<T> x){ for(auto &it : x){ out << it << " "; } return out;}template< typename T,typename V>ostream &operator<< (ostream &out,const map<T,V> x){ for(auto &it : x){ out << "[" << it.fst << "]" << " = " << it.snd << "\n"; } return out;}template< typename T>ostream &operator<< (ostream &out,const vector<T> x){ for(int i = 0;i < x.size() - 1; ++i){ out << x[i] << " "; } out << x.back(); return out;}template< typename T>ostream &operator<< (ostream &out,const vector<vector<T> > x){ for(int i = 0;i < x.size() - 1; ++i){ out << "[" << i << "]" << " = {" << x[i] << "}\n"; } out << "[" << x.size() - 1 << "]" << " = {" << x.back() << "}\n"; return out;}

const int N = 1e6 + 5;
const int MOD = 1e9 + 7;
const ll INF = 1e9;
int dist(int x1,int y1,int x2,int y2){
    return abs(x2 - x1) + abs(y2 - y1);
}
map<ll,bool> used;
//void construct_network(int H, int W, int K) {
//    vector<int> g;
//    int id = H * W;
//	for(int i = 0;i < H; ++i){
//        for(int j = 0;j < W; ++j){
//            vector<int> Ns;
//            for(int add = 0;add <= K; ++add){
//                for(int x=-1;x <=1;x +=2)
//                for(int y=-1;y <=1;y +=2){
//                int i1 = i + x * add,j1 = j + y * (K - add);
//                if(i1 >= H)continue;
//                if(i1 < 0)continue;
//                if(j1 >= W)continue;
//                if(j1 < 0)continue;
//                if(used.find((i * W + j) * INF + (i1 * W + j1)) != used.end())continue;
//                if(used.find((i1 * W + j1) * INF + (i * W + j)) != used.end())continue;
//                if(dist(i,j,i1,j1) == K){
//                    used[(i * W + j) * INF + (i1 * W + j1)] = true;
//                    Ns.pb(i1 * W + j1);
//                }
//                }
//            }
//            if(Ns.empty())continue;
//            add_or(Ns);
//            add_and({i * W + j,id});
//            ++id;
//            g.pb(id);
//            ++id;
//        }
//	}
//	add_or(g);
//}
void construct_network(int H, int W, int K) {
    vector<int> x,y;
    int id = H * W;
	for(int i = 0;i < H; ++i){
        vector<int> v;
        for(int j = 0;j < W; ++j){
            v.pb(i * W + j);
        }
        add_or(v);
        x.pb(id);
        ++id;
	}
	for(int i = 0;i < W; ++i){
        vector<int> v;
        for(int j = 0;j < H; ++j){
            v.pb(j * W + i);
        }
        add_or(v);
        y.pb(id);
        ++id;
	}
    vector<int> a,b;
    for(int i = 1;i < x.size(); ++i){
        add_and({x[i - 1],x[i]});
        a.pb(id);
        ++id;
    }
    for(int i = 1;i < y.size(); ++i){
        add_and({y[i - 1],y[i]});
        b.pb(id);
        ++id;
    }
    add_or(a);
    add_or(b);
    add_and({id,id + 1});
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:79:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 1;i < x.size(); ++i){
                   ~~^~~~~~~~~~
vision.cpp:84:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 1;i < y.size(); ++i){
                   ~~^~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 11
• Subtask 3: 0 / 11
• Subtask 4: 0 / 15
• Subtask 5: 0 / 12
• Subtask 6: 0 / 8
• Subtask 7: 0 / 14
• Subtask 8: 0 / 19