oj.uz

답안 #293406

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
293406 2020-09-08T03:29:19 Z eggag32 Pinball (JOI14_pinball) C++17
100 / 100
 356 ms 19692 KB 
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<int> vi;
typedef pair<int, int> pi;
#define debug(x) cerr << #x << ": " << x << endl
#define debug2(x, y) debug(x), debug(y)
#define repn(i, a, b) for(int i = (int)(a); i < (int)(b); i++)
#define rep(i, a) for(int i = 0; i < (int)(a); i++)
#define all(v) v.begin(), v.end() 
#define mp make_pair
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define fi first
#define se second
#define sq(x) ((x) * (x))
const int mxN = 1e5 + 5;

template<class T> T gcd(T a, T b){ return ((b == 0) ? a : gcd(b, a % b)); }

int m, n;
int a[mxN], b[mxN], c[mxN], d[mxN];
vi comp;

int find(int nm){
	return lower_bound(comp.begin(), comp.end(), nm) - comp.begin();
}

struct seg{
	ll dat[1 << 20];
	int sz;
	seg(int s){
		sz = s;
		for(int i = 0; i < (1 << 20); i++){
			dat[i] = 1e18;
		}
	}
	void update(int i, int s, int e, int x, ll v){
		if(s == e){
			dat[i] = min(dat[i], v);
			return;
		}
		int m = (s + e) / 2;
		if(x <= m) update(i << 1, s, m, x, v);
		else update(i << 1 | 1, m + 1, e, x, v);
		dat[i] = min(dat[i << 1], dat[i << 1 | 1]);
	}
	void update(int x, ll v){
		update(1, 0, sz, x, v);
	}
	ll query(int i, int s, int e, int x, int y){
		if(e < x || y < s) return 1e18;
		if(x <= s && e <= y) return dat[i];
		int m = (s + e) / 2;
		return min(query(i << 1, s, m, x, y), query(i << 1 | 1, m + 1, e, x, y));
	}
	ll query(int x, int y){
		return query(1, 0, sz, x, y);
	}
};

int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	//freopen("input.in", "r", stdin);
	//freopen("output.out", "w", stdout);
	cin >> m >> n;
	rep(i, m){
		cin >> a[i] >> b[i] >> c[i] >> d[i];
		comp.pb(c[i]), comp.pb(b[i]), comp.pb(c[i]);
	}
	comp.push_back(1);
	comp.push_back(n);
	sort(all(comp));
	comp.erase(unique(all(comp)), comp.end());
	int tot = comp.size() - 1;
	seg lseg(tot), rseg(tot);
	rep(i, m){
		a[i] = find(a[i]);
		b[i] = find(b[i]);
		c[i] = find(c[i]);
	}
	lseg.update(0, 0);
	rseg.update(tot, 0);
	ll ans = 1e18;
	rep(i, m){
		ans = min(ans, lseg.query(a[i], b[i]) + rseg.query(a[i], b[i]) + d[i]);
		lseg.update(c[i], lseg.query(a[i], b[i]) + d[i]);
		rseg.update(c[i], rseg.query(a[i], b[i]) + d[i]);
	}
	cout << (ans == 1e18 ? -1 : ans) << endl;
	return 0;
}
/*
Things to look out for:
	- Integer overflows
	- Array bounds
	- Special cases
Be careful!
*/

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 16768 KB Output is correct
2 Correct 9 ms 16768 KB Output is correct
3 Correct 9 ms 16768 KB Output is correct
4 Correct 9 ms 16768 KB Output is correct
5 Correct 9 ms 16768 KB Output is correct
6 Correct 10 ms 16768 KB Output is correct
7 Correct 10 ms 16768 KB Output is correct
8 Correct 9 ms 16768 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 16768 KB Output is correct
2 Correct 9 ms 16768 KB Output is correct
3 Correct 9 ms 16768 KB Output is correct
4 Correct 9 ms 16768 KB Output is correct
5 Correct 9 ms 16768 KB Output is correct
6 Correct 10 ms 16768 KB Output is correct
7 Correct 10 ms 16768 KB Output is correct
8 Correct 9 ms 16768 KB Output is correct
9 Correct 9 ms 16768 KB Output is correct
10 Correct 10 ms 16768 KB Output is correct
11 Correct 10 ms 16768 KB Output is correct
12 Correct 10 ms 16768 KB Output is correct
13 Correct 10 ms 16768 KB Output is correct
14 Correct 9 ms 16768 KB Output is correct

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 16768 KB Output is correct
2 Correct 9 ms 16768 KB Output is correct
3 Correct 9 ms 16768 KB Output is correct
4 Correct 9 ms 16768 KB Output is correct
5 Correct 9 ms 16768 KB Output is correct
6 Correct 10 ms 16768 KB Output is correct
7 Correct 10 ms 16768 KB Output is correct
8 Correct 9 ms 16768 KB Output is correct
9 Correct 9 ms 16768 KB Output is correct
10 Correct 10 ms 16768 KB Output is correct
11 Correct 10 ms 16768 KB Output is correct
12 Correct 10 ms 16768 KB Output is correct
13 Correct 10 ms 16768 KB Output is correct
14 Correct 9 ms 16768 KB Output is correct
15 Correct 10 ms 16768 KB Output is correct
16 Correct 10 ms 16800 KB Output is correct
17 Correct 12 ms 16768 KB Output is correct
18 Correct 11 ms 16896 KB Output is correct
19 Correct 11 ms 16768 KB Output is correct
20 Correct 11 ms 16768 KB Output is correct
21 Correct 10 ms 16768 KB Output is correct
22 Correct 11 ms 16768 KB Output is correct
23 Correct 11 ms 16768 KB Output is correct
24 Correct 13 ms 16768 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 16768 KB Output is correct
2 Correct 9 ms 16768 KB Output is correct
3 Correct 9 ms 16768 KB Output is correct
4 Correct 9 ms 16768 KB Output is correct
5 Correct 9 ms 16768 KB Output is correct
6 Correct 10 ms 16768 KB Output is correct
7 Correct 10 ms 16768 KB Output is correct
8 Correct 9 ms 16768 KB Output is correct
9 Correct 9 ms 16768 KB Output is correct
10 Correct 10 ms 16768 KB Output is correct
11 Correct 10 ms 16768 KB Output is correct
12 Correct 10 ms 16768 KB Output is correct
13 Correct 10 ms 16768 KB Output is correct
14 Correct 9 ms 16768 KB Output is correct
15 Correct 10 ms 16768 KB Output is correct
16 Correct 10 ms 16800 KB Output is correct
17 Correct 12 ms 16768 KB Output is correct
18 Correct 11 ms 16896 KB Output is correct
19 Correct 11 ms 16768 KB Output is correct
20 Correct 11 ms 16768 KB Output is correct
21 Correct 10 ms 16768 KB Output is correct
22 Correct 11 ms 16768 KB Output is correct
23 Correct 11 ms 16768 KB Output is correct
24 Correct 13 ms 16768 KB Output is correct
25 Correct 33 ms 17152 KB Output is correct
26 Correct 78 ms 17524 KB Output is correct
27 Correct 225 ms 18800 KB Output is correct
28 Correct 199 ms 19560 KB Output is correct
29 Correct 167 ms 18376 KB Output is correct
30 Correct 257 ms 19564 KB Output is correct
31 Correct 328 ms 19656 KB Output is correct
32 Correct 324 ms 19684 KB Output is correct
33 Correct 45 ms 17408 KB Output is correct
34 Correct 146 ms 18416 KB Output is correct
35 Correct 205 ms 19564 KB Output is correct
36 Correct 356 ms 19564 KB Output is correct
37 Correct 292 ms 19692 KB Output is correct
38 Correct 275 ms 19692 KB Output is correct