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답안 #519991

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
519991 2022-01-28T03:22:36 Z amunduzbaev Pinball (JOI14_pinball) C++14
100 / 100
 230 ms 31704 KB 
#include "bits/stdc++.h"
using namespace std;

#define ar array
#define int long long

const int N = 3e5 + 5;

struct ST{
	int tree[N<<2];
	
	void sett(int i, int v, int lx = 0, int rx = N, int x = 1){
		if(lx == rx) { tree[x] = min(tree[x], v); return; }
		int m = (lx + rx) >> 1;
		if(i <= m) sett(i, v, lx, m, x<<1);
		else sett(i, v, m+1, rx, x<<1|1);
		tree[x] = min(tree[x<<1], tree[x<<1|1]);
	}
	
	int get(int l, int r, int lx = 0, int rx = N, int x = 1){
		if(lx > r || rx < l) return 1e15;
		if(lx >= l && rx <= r) return tree[x];
		int m = (lx + rx) >> 1;
		return min(get(l, r, lx, m, x<<1), get(l, r, m+1, rx, x<<1|1));
	}
}pref, suff;


signed main(){
	ios::sync_with_stdio(0); cin.tie(0);
	
	int n, m; cin>>n>>m;
	vector<ar<int, 4>> a(n);
	vector<int> p(n); iota(p.begin(), p.end(), 0);
	for(int i=0;i<n;i++){
		cin>>a[i][0]>>a[i][1]>>a[i][2]>>a[i][3];
	}
	
	sort(p.begin(), p.end(), [&](int i, int j){
		return (a[i][0] < a[j][0]);
	});
	
	int r = 1;
	for(auto i : p){
		if(r < a[i][0]){
			cout<<-1<<"\n"; return 0;
		} r = max(r, a[i][1]);
	} if(r < m) { cout<<-1<<"\n"; return 0; }
	
	vector<ar<int, 2>> pp;
	for(int i=0;i<n;i++){
		pp.push_back({i, 0});
		pp.push_back({i, 1});
		pp.push_back({i, 2});
	}
	
	sort(pp.begin(), pp.end(), [&](auto& i, auto& j){
		return (a[i[0]][i[1]] < a[j[0]][j[1]]);
	});
	int last = 0;
	for(int i=0;i<n*3;){ int j = i;
		while(j < n*3 && a[pp[i][0]][pp[i][1]] == a[pp[j][0]][pp[j][1]]) j++;
		while(i < j){
			a[pp[i][0]][pp[i][1]] = last;
			i++;
		} last++;
	}
	
	memset(pref.tree, 127, sizeof pref.tree);
	memset(suff.tree, 127, sizeof suff.tree);
	int res = 1e15;
	for(int i=0;i<n;i++){
		int l = a[i][0], r = a[i][1], c = a[i][2], d = a[i][3];
		int pp = pref.get(l, r);
		if(l == 0) pp = 0;
		pref.sett(c, pp + d);
		
		int ss = suff.get(l, r);
		if(r == last - 1) ss = 0;
		suff.sett(c, ss + d);
		res = min(res, pp + ss + d);
	}
	
	if(res == 1e15) cout<<-1<<"\n";
	else cout<<res<<"\n";
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 19008 KB Output is correct
2 Correct 7 ms 19020 KB Output is correct
3 Correct 9 ms 19008 KB Output is correct
4 Correct 8 ms 19012 KB Output is correct
5 Correct 8 ms 19020 KB Output is correct
6 Correct 8 ms 19020 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 8 ms 19020 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 19008 KB Output is correct
2 Correct 7 ms 19020 KB Output is correct
3 Correct 9 ms 19008 KB Output is correct
4 Correct 8 ms 19012 KB Output is correct
5 Correct 8 ms 19020 KB Output is correct
6 Correct 8 ms 19020 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 8 ms 19020 KB Output is correct
9 Correct 8 ms 19148 KB Output is correct
10 Correct 7 ms 19148 KB Output is correct
11 Correct 7 ms 19144 KB Output is correct
12 Correct 8 ms 19152 KB Output is correct
13 Correct 7 ms 19148 KB Output is correct
14 Correct 9 ms 19032 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 19008 KB Output is correct
2 Correct 7 ms 19020 KB Output is correct
3 Correct 9 ms 19008 KB Output is correct
4 Correct 8 ms 19012 KB Output is correct
5 Correct 8 ms 19020 KB Output is correct
6 Correct 8 ms 19020 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 8 ms 19020 KB Output is correct
9 Correct 8 ms 19148 KB Output is correct
10 Correct 7 ms 19148 KB Output is correct
11 Correct 7 ms 19144 KB Output is correct
12 Correct 8 ms 19152 KB Output is correct
13 Correct 7 ms 19148 KB Output is correct
14 Correct 9 ms 19032 KB Output is correct
15 Correct 7 ms 19020 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 9 ms 19272 KB Output is correct
18 Correct 8 ms 19284 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 9 ms 19276 KB Output is correct
21 Correct 8 ms 19132 KB Output is correct
22 Correct 9 ms 19200 KB Output is correct
23 Correct 9 ms 19188 KB Output is correct
24 Correct 9 ms 19280 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 7 ms 19008 KB Output is correct
2 Correct 7 ms 19020 KB Output is correct
3 Correct 9 ms 19008 KB Output is correct
4 Correct 8 ms 19012 KB Output is correct
5 Correct 8 ms 19020 KB Output is correct
6 Correct 8 ms 19020 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 8 ms 19020 KB Output is correct
9 Correct 8 ms 19148 KB Output is correct
10 Correct 7 ms 19148 KB Output is correct
11 Correct 7 ms 19144 KB Output is correct
12 Correct 8 ms 19152 KB Output is correct
13 Correct 7 ms 19148 KB Output is correct
14 Correct 9 ms 19032 KB Output is correct
15 Correct 7 ms 19020 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 9 ms 19272 KB Output is correct
18 Correct 8 ms 19284 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 9 ms 19276 KB Output is correct
21 Correct 8 ms 19132 KB Output is correct
22 Correct 9 ms 19200 KB Output is correct
23 Correct 9 ms 19188 KB Output is correct
24 Correct 9 ms 19280 KB Output is correct
25 Correct 23 ms 20300 KB Output is correct
26 Correct 51 ms 22196 KB Output is correct
27 Correct 130 ms 27740 KB Output is correct
28 Correct 142 ms 31588 KB Output is correct
29 Correct 94 ms 25416 KB Output is correct
30 Correct 158 ms 31656 KB Output is correct
31 Correct 202 ms 31664 KB Output is correct
32 Correct 180 ms 31704 KB Output is correct
33 Correct 30 ms 21584 KB Output is correct
34 Correct 88 ms 25420 KB Output is correct
35 Correct 127 ms 31648 KB Output is correct
36 Correct 230 ms 31664 KB Output is correct
37 Correct 191 ms 31656 KB Output is correct
38 Correct 185 ms 31604 KB Output is correct