Submission #287178

# Submission time Handle Problem Language Result Execution time Memory
287178 2020-08-31T13:16:33 Z ACmachine New Home (APIO18_new_home) C++17
10 / 100
1309 ms 82852 KB
#include <bits/stdc++.h>
using namespace std;

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;

template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
template<typename T, typename U> using ordered_map = tree<T, U, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

typedef long long ll;
typedef long double ld;
typedef double db;
typedef string str;

typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pii> vpii;
typedef vector<pll> vpll;
typedef vector<str> vstr;

#define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
#define FORD(i,j,k,in) for(int i=(j); i >=(k);i-=in)
#define REP(i,b) FOR(i,0,b,1)
#define REPD(i,b) FORD(i,b,0,1)
#define pb push_back 
#define mp make_pair
#define ff first
#define ss second
#define all(x) begin(x), end(x)
#define rsz resize 

const double EPS = 1e-9;
const int MOD = 1e9+7; // 998244353;
const ll INFF = 1e18;
const int INF = 1e9;
const ld PI = acos((ld)-1);
const vi dy = {1, 0, -1, 0, -1, 1, 1, -1};
const vi dx = {0, 1, 0, -1, -1, 1, -1, 1};

#ifdef DEBUG
#define DBG if(1)
#else
#define DBG if(0)
#endif

#define dbg(x) cout << "(" << #x << " : " << x << ")" << endl;
// ostreams
template <class T, class U>
ostream& operator<<(ostream& out, const pair<T, U> &par) {out << "[" << par.first << ";" << par.second << "]"; return out;}
template <class T>
ostream& operator<<(ostream& out, const set<T> &cont) { out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template <class T, class U>
ostream& operator<<(ostream& out, const map<T, U> &cont) {out << "{"; for( const auto &x:cont) out << x << ", "; out << "}"; return out; }
template<class T>
ostream& operator<<(ostream& out, const vector<T> &v){ out << "[";  REP(i, v.size()) out << v[i] << ", ";  out << "]"; return out;}
// istreams
template<class T>
istream& operator>>(istream& in, vector<T> &v){ for(auto &x : v) in >> x; return in; }
template<class T, class U>
istream& operator>>(istream& in, pair<T, U> &p){ in >> p.ff >> p.ss; return in; }
//searches
template<typename T, typename U>
T bsl(T lo, T hi, U f){ hi++; T mid; while(lo < hi){ mid = (lo + hi)/2; f(mid) ? hi = mid : lo = mid+1; } return lo; }
template<typename U>
double bsld(double lo, double hi, U f, double p = 1e-9){ int r = 3 + (int)log2((hi - lo)/p); double mid; while(r--){ mid = (lo + hi)/2; f(mid) ? hi = mid : lo = mid; } return (lo + hi)/2; }
template<typename T, typename U>
T bsh(T lo, T hi, U f){ lo--; T mid; while(lo < hi){ mid = (lo + hi + 1)/2; f(mid) ? lo = mid : hi = mid-1; } return lo; }
template<typename U>
double bshd(double lo, double hi, U f, double p = 1e-9){ int r = 3+(int)log2((hi - lo)/p); double mid; while(r--){ mid = (lo + hi)/2; f(mid) ? lo = mid : hi = mid; } return (lo + hi)/2; }
// some more utility functions
template<typename T>
pair<T, int> get_min(vector<T> &v){ typename vector<T> :: iterator it = min_element(v.begin(), v.end()); return mp(*it, it - v.begin());}
template<typename T>
pair<T, int> get_max(vector<T> &v){ typename vector<T> :: iterator it = max_element(v.begin(), v.end()); return mp(*it, it - v.begin());}        
template<typename T> bool ckmin(T& a, const T& b){return b < a ? a = b , true : false;}
template<typename T> bool ckmax(T& a, const T& b){return b > a ? a = b, true : false;}
#define BLD 2
#define ASK 1

struct query{
    int type; 
    int l, y, id;
    int x, t, a, b;
    query(int _l, int _y, int _id){
        type = ASK; l = _l; y = _y; id = _id;
    }
    query(int _x, int _t, int _a, int _b){
        type = BLD; x = _x; t = _t; a = _a; b = _b;
    }
};
struct AcAutomaton{
    vector<query> queries;
    int n, k, q;
    int mx = (int)1e8;
	void read_in(){
		cin >> n >> k >> q;
        REP(i, n){
            int x, t, a, b; cin >> x >> t >> a >> b;
            t--;
            queries.pb(query(x, t, a, b));
        }
        REP(i, q){
            int l, y; cin >> l >> y;
            queries.pb(query(l, y, i));
        }
	}
    void solve_subtask3(){
        vector<vi> points(k);
        vector<query> asks;
        REP(i, queries.size()){
            query qr = queries[i];
            if(qr.type == BLD) points[qr.t].pb(qr.x);
            else asks.pb(qr);
        }
        REP(i, k) sort(all(points[i]));
        bool all_types = true;
        REP(i, k) if(points[i].empty()) all_types = false;
        REP(i, k) {
            if(!points[i].empty()){
                points[i].insert(points[i].begin(), -points[i][0]);
                points[i].pb(mx + (mx-points[i][points[i].size()-1]));
            }
        }
        vector<pii> neg, pos; 
        REP(i, k){
            FOR(j, 1, points[i].size(), 1){
                int mid = (points[i][j] + points[i][j-1])/2;
                pos.pb(mp(mid, points[i][j-1]));
                if((points[i][j] - points[i][j-1])%2 == 0) {
                    neg.pb(mp(mid, points[i][j]));
                }
                else{
                    neg.pb(mp(mid+1, points[i][j]));
                }
            } 
        }
        vi out(q, -1);
        sort(all(neg));
        sort(all(pos));
        reverse(all(pos));
        sort(all(asks), [](query lhs, query rhs){return lhs.l < rhs.l;});
        int pp = 0;
        int maxi = -1;
        REP(i, asks.size()){
            query qr = asks[i];
            int coor = qr.l;
            while(pp < neg.size() && neg[pp].ff <= coor){
                // eq = -x + neg[pp].ss;
                maxi = max(maxi, neg[pp].ss); 
                ++pp;
            }
            out[qr.id] = max(out[qr.id], -coor + maxi);
        }
        pp = 0;
        reverse(all(asks));
        int mini = INF;
        REP(i, asks.size()){
            query qr = asks[i];
            int coor = qr.l;
            while(pp < pos.size() && pos[pp].ff >= coor){
                // eq = x - pos[pp].ss;
                mini = min(mini, pos[pp].ss);
                ++pp;
            }
            out[qr.id] = max(out[qr.id], coor - mini);
        }
        if(all_types) REP(i, q) cout << out[i] << endl; 
        else REP(i, q) cout << -1 << endl;
    }
	void solve(){
		solve_subtask3();
	}
};
    
int main(){
 	ios_base::sync_with_stdio(false);
 	cin.tie(NULL); cout.tie(NULL);
	int tcase = 1;
	while(tcase--){
		AcAutomaton solver;
		solver.read_in();
		solver.solve();
	}
    return 0;
}

Compilation message

new_home.cpp: In member function 'void AcAutomaton::solve_subtask3()':
new_home.cpp:26:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
      |                                        ^
new_home.cpp:28:18: note: in expansion of macro 'FOR'
   28 | #define REP(i,b) FOR(i,0,b,1)
      |                  ^~~
new_home.cpp:115:9: note: in expansion of macro 'REP'
  115 |         REP(i, queries.size()){
      |         ^~~
new_home.cpp:26:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
      |                                        ^
new_home.cpp:131:13: note: in expansion of macro 'FOR'
  131 |             FOR(j, 1, points[i].size(), 1){
      |             ^~~
new_home.cpp:26:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
      |                                        ^
new_home.cpp:28:18: note: in expansion of macro 'FOR'
   28 | #define REP(i,b) FOR(i,0,b,1)
      |                  ^~~
new_home.cpp:149:9: note: in expansion of macro 'REP'
  149 |         REP(i, asks.size()){
      |         ^~~
new_home.cpp:152:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  152 |             while(pp < neg.size() && neg[pp].ff <= coor){
      |                   ~~~^~~~~~~~~~~~
new_home.cpp:26:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<query>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 | #define FOR(i,j,k,in) for(int i=(j); i < (k);i+=in)
      |                                        ^
new_home.cpp:28:18: note: in expansion of macro 'FOR'
   28 | #define REP(i,b) FOR(i,0,b,1)
      |                  ^~~
new_home.cpp:162:9: note: in expansion of macro 'REP'
  162 |         REP(i, asks.size()){
      |         ^~~
new_home.cpp:165:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  165 |             while(pp < pos.size() && pos[pp].ff >= coor){
      |                   ~~~^~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1068 ms 52116 KB Output is correct
2 Correct 1000 ms 60356 KB Output is correct
3 Correct 1309 ms 82708 KB Output is correct
4 Correct 1168 ms 67228 KB Output is correct
5 Correct 998 ms 59676 KB Output is correct
6 Correct 992 ms 60372 KB Output is correct
7 Correct 1120 ms 82852 KB Output is correct
8 Correct 1066 ms 70056 KB Output is correct
9 Correct 1020 ms 64156 KB Output is correct
10 Correct 980 ms 62056 KB Output is correct
11 Correct 952 ms 60700 KB Output is correct
12 Correct 962 ms 61888 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1004 ms 49632 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Incorrect 0 ms 384 KB Output isn't correct
3 Halted 0 ms 0 KB -