oj.uz

Submission #537994

# Submission time Handle Problem Language Result Execution time Memory
537994 2022-03-16T02:14:04 Z 8e7 Treatment Project (JOI20_treatment) C++17
100 / 100
 247 ms 62516 KB 
//Challenge: Accepted
#include <bits/stdc++.h>
using namespace std;
#ifdef zisk
void debug(){cout << endl;}
template<class T, class ... U> void debug(T a, U ... b){cout << a << " ", debug(b...);}
template<class T> void pary(T l, T r) {
	while (l != r) cout << *l << " ", l++;
	cout << endl;
}
#else
#define debug(...) 0
#define pary(...) 0
#endif
#define ll long long
#define maxn 100005
#define pii pair<ll, ll>
#define ff first
#define ss second
#define io ios_base::sync_with_stdio(0);cin.tie(0);
const ll inf = 1LL<<60;

vector<pii> lef[maxn];
struct segtree{
	vector<pii> seg[4*maxn];
	void init(int cur, int l, int r) {
		if (r <= l) return;
		if (r - l == 1) {
			seg[cur] = lef[l];
			return;
		}
		int m = (l + r) / 2;
		init(cur*2, l, m), init(cur*2+1, m, r);	
		int ind = 0;
		for (int i = 0;i < seg[cur*2].size();i++) {
			while (ind < seg[cur*2+1].size() && seg[cur*2+1][ind] > seg[cur*2][i]) {
				seg[cur].push_back(seg[cur*2+1][ind++]);
			}
			seg[cur].push_back(seg[cur*2][i]);
		}
		while (ind < seg[cur*2+1].size()) {
			seg[cur].push_back(seg[cur*2+1][ind++]);
		}
	}
	void getind(int cur, int l, int r, int ql, int qr, int y, vector<int> &ret, bool add) {
		if (r <= l || ql >= r || qr <= l || seg[cur].size() == 0 || seg[cur].back().ff > y) return;
		if (ql <= l && qr >= r) {
			while (seg[cur].size() && seg[cur].back().ff <= y) {
				if (add) ret.push_back(seg[cur].back().ss);
				seg[cur].pop_back();
			}
			add = 0;
		}
		if (r - l == 1) return;
		int m = (l + r) / 2;
		getind(cur*2, l, m, ql, qr, y, ret, add);
		getind(cur*2+1, m, r, ql, qr, y, ret, add);
	}
} tr;
struct seg{
	int t, l, r, x, y;
	int cost;	
	seg(){t = l = r = cost = 0;}
} a[maxn];
ll dis[maxn];
int main() {
	io
	int L, n;
	cin >> L >> n;
	vector<int> vx;
	for (int i = 1;i <= n;i++) {
		cin >> a[i].t >> a[i].l >> a[i].r >> a[i].cost;	
		a[i].x = a[i].l - a[i].t;
		a[i].y = a[i].l + a[i].t;
		vx.push_back(a[i].x);
	}
	sort(vx.begin(), vx.end());	
	vx.resize(int(unique(vx.begin(), vx.end()) - vx.begin()));
	for (int i = 1;i <= n;i++) {
		a[i].x = lower_bound(vx.begin(), vx.end(), a[i].x) - vx.begin();
		lef[a[i].x].push_back({a[i].y, i});	
	}
	for (int i = 0;i < n;i++) sort(lef[i].begin(), lef[i].end(), [&](pii x, pii y){return x > y;});
	tr.init(1, 0, n);
	
	priority_queue<pii, vector<pii>, greater<pii> > pq;	
	for (int i = 1;i <= n;i++) {
		dis[i] = inf;
		if (a[i].l == 1) {
			dis[i] = a[i].cost;
			pq.push({dis[i], i});
		}
	}
	dis[n+1] = inf;	

	while (pq.size()) {
		auto [d, cur] = pq.top();
		pq.pop();
		if (d != dis[cur]) continue;
		if (a[cur].r == L) dis[n+1] = min(dis[n+1], d);
		vector<int> upd;	
		int xv = upper_bound(vx.begin(), vx.end(), a[cur].r - a[cur].t + 1) - vx.begin();
		tr.getind(1, 0, n, 0, xv, a[cur].r + a[cur].t + 1, upd, 1);
		debug(cur, d, xv);
		for (int i:upd) {
			if (d + a[i].cost < dis[i]) {
				dis[i] = d + a[i].cost;
				pq.push({dis[i], i});
			}
		}
	}
	cout << (dis[n+1] == inf ? -1 : dis[n+1]) << "\n";
}
/*
1000000000 16
6 2 2 1
4 999999997 999999999 4
2 999999997 1000000000 2
3 1 4 3
3 999999997 1000000000 3
5 999999998 999999999 3
6 999999999 999999999 1
2 1 4 2
6 3 999999998 1
999999987 1 1000000000 10
999999986 1 1000000000 10
999999985 1 1000000000 10
4 2 4 4
5 2 3 3
1 999999997 1000000000 1
1 1 4 1
*/

Compilation message

treatment.cpp: In member function 'void segtree::init(int, int, int)':
treatment.cpp:35:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |   for (int i = 0;i < seg[cur*2].size();i++) {
      |                  ~~^~~~~~~~~~~~~~~~~~~
treatment.cpp:36:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |    while (ind < seg[cur*2+1].size() && seg[cur*2+1][ind] > seg[cur*2][i]) {
      |           ~~~~^~~~~~~~~~~~~~~~~~~~~
treatment.cpp:41:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |   while (ind < seg[cur*2+1].size()) {
      |          ~~~~^~~~~~~~~~~~~~~~~~~~~
treatment.cpp: In function 'int main()':
treatment.cpp:12:20: warning: statement has no effect [-Wunused-value]
   12 | #define debug(...) 0
      |                    ^
treatment.cpp:104:3: note: in expansion of macro 'debug'
  104 |   debug(cur, d, xv);
      |   ^~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 169 ms 57040 KB Output is correct
2 Correct 149 ms 57392 KB Output is correct
3 Correct 144 ms 53632 KB Output is correct
4 Correct 136 ms 53756 KB Output is correct
5 Correct 103 ms 50616 KB Output is correct
6 Correct 100 ms 53012 KB Output is correct
7 Correct 114 ms 52372 KB Output is correct
8 Correct 80 ms 48244 KB Output is correct
9 Correct 80 ms 52928 KB Output is correct
10 Correct 98 ms 52420 KB Output is correct
11 Correct 169 ms 60100 KB Output is correct
12 Correct 170 ms 60216 KB Output is correct
13 Correct 163 ms 59760 KB Output is correct
14 Correct 170 ms 59848 KB Output is correct
15 Correct 164 ms 57408 KB Output is correct
16 Correct 159 ms 57268 KB Output is correct
17 Correct 157 ms 57444 KB Output is correct
18 Correct 165 ms 59968 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14292 KB Output is correct
2 Correct 8 ms 14416 KB Output is correct
3 Correct 8 ms 14420 KB Output is correct
4 Correct 8 ms 14320 KB Output is correct
5 Correct 8 ms 14420 KB Output is correct
6 Correct 8 ms 14548 KB Output is correct
7 Correct 8 ms 14420 KB Output is correct
8 Correct 8 ms 14420 KB Output is correct
9 Correct 8 ms 14348 KB Output is correct
10 Correct 8 ms 14420 KB Output is correct
11 Correct 7 ms 14400 KB Output is correct
12 Correct 8 ms 14380 KB Output is correct
13 Correct 8 ms 14420 KB Output is correct
14 Correct 8 ms 14360 KB Output is correct
15 Correct 7 ms 14420 KB Output is correct
16 Correct 8 ms 14312 KB Output is correct
17 Correct 8 ms 14420 KB Output is correct
18 Correct 9 ms 14364 KB Output is correct
19 Correct 8 ms 14420 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 14292 KB Output is correct
2 Correct 8 ms 14416 KB Output is correct
3 Correct 8 ms 14420 KB Output is correct
4 Correct 8 ms 14320 KB Output is correct
5 Correct 8 ms 14420 KB Output is correct
6 Correct 8 ms 14548 KB Output is correct
7 Correct 8 ms 14420 KB Output is correct
8 Correct 8 ms 14420 KB Output is correct
9 Correct 8 ms 14348 KB Output is correct
10 Correct 8 ms 14420 KB Output is correct
11 Correct 7 ms 14400 KB Output is correct
12 Correct 8 ms 14380 KB Output is correct
13 Correct 8 ms 14420 KB Output is correct
14 Correct 8 ms 14360 KB Output is correct
15 Correct 7 ms 14420 KB Output is correct
16 Correct 8 ms 14312 KB Output is correct
17 Correct 8 ms 14420 KB Output is correct
18 Correct 9 ms 14364 KB Output is correct
19 Correct 8 ms 14420 KB Output is correct
20 Correct 13 ms 16348 KB Output is correct
21 Correct 14 ms 16352 KB Output is correct
22 Correct 16 ms 16476 KB Output is correct
23 Correct 17 ms 16572 KB Output is correct
24 Correct 16 ms 16456 KB Output is correct
25 Correct 16 ms 16568 KB Output is correct
26 Correct 18 ms 16556 KB Output is correct
27 Correct 14 ms 16468 KB Output is correct
28 Correct 15 ms 16480 KB Output is correct
29 Correct 16 ms 16468 KB Output is correct
30 Correct 13 ms 16484 KB Output is correct
31 Correct 13 ms 16472 KB Output is correct
32 Correct 15 ms 16620 KB Output is correct
33 Correct 14 ms 16680 KB Output is correct
34 Correct 14 ms 16468 KB Output is correct
35 Correct 15 ms 16596 KB Output is correct
36 Correct 16 ms 16596 KB Output is correct
37 Correct 15 ms 16468 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 169 ms 57040 KB Output is correct
2 Correct 149 ms 57392 KB Output is correct
3 Correct 144 ms 53632 KB Output is correct
4 Correct 136 ms 53756 KB Output is correct
5 Correct 103 ms 50616 KB Output is correct
6 Correct 100 ms 53012 KB Output is correct
7 Correct 114 ms 52372 KB Output is correct
8 Correct 80 ms 48244 KB Output is correct
9 Correct 80 ms 52928 KB Output is correct
10 Correct 98 ms 52420 KB Output is correct
11 Correct 169 ms 60100 KB Output is correct
12 Correct 170 ms 60216 KB Output is correct
13 Correct 163 ms 59760 KB Output is correct
14 Correct 170 ms 59848 KB Output is correct
15 Correct 164 ms 57408 KB Output is correct
16 Correct 159 ms 57268 KB Output is correct
17 Correct 157 ms 57444 KB Output is correct
18 Correct 165 ms 59968 KB Output is correct
19 Correct 7 ms 14292 KB Output is correct
20 Correct 8 ms 14416 KB Output is correct
21 Correct 8 ms 14420 KB Output is correct
22 Correct 8 ms 14320 KB Output is correct
23 Correct 8 ms 14420 KB Output is correct
24 Correct 8 ms 14548 KB Output is correct
25 Correct 8 ms 14420 KB Output is correct
26 Correct 8 ms 14420 KB Output is correct
27 Correct 8 ms 14348 KB Output is correct
28 Correct 8 ms 14420 KB Output is correct
29 Correct 7 ms 14400 KB Output is correct
30 Correct 8 ms 14380 KB Output is correct
31 Correct 8 ms 14420 KB Output is correct
32 Correct 8 ms 14360 KB Output is correct
33 Correct 7 ms 14420 KB Output is correct
34 Correct 8 ms 14312 KB Output is correct
35 Correct 8 ms 14420 KB Output is correct
36 Correct 9 ms 14364 KB Output is correct
37 Correct 8 ms 14420 KB Output is correct
38 Correct 13 ms 16348 KB Output is correct
39 Correct 14 ms 16352 KB Output is correct
40 Correct 16 ms 16476 KB Output is correct
41 Correct 17 ms 16572 KB Output is correct
42 Correct 16 ms 16456 KB Output is correct
43 Correct 16 ms 16568 KB Output is correct
44 Correct 18 ms 16556 KB Output is correct
45 Correct 14 ms 16468 KB Output is correct
46 Correct 15 ms 16480 KB Output is correct
47 Correct 16 ms 16468 KB Output is correct
48 Correct 13 ms 16484 KB Output is correct
49 Correct 13 ms 16472 KB Output is correct
50 Correct 15 ms 16620 KB Output is correct
51 Correct 14 ms 16680 KB Output is correct
52 Correct 14 ms 16468 KB Output is correct
53 Correct 15 ms 16596 KB Output is correct
54 Correct 16 ms 16596 KB Output is correct
55 Correct 15 ms 16468 KB Output is correct
56 Correct 155 ms 55828 KB Output is correct
57 Correct 188 ms 59632 KB Output is correct
58 Correct 170 ms 57676 KB Output is correct
59 Correct 172 ms 58044 KB Output is correct
60 Correct 211 ms 59100 KB Output is correct
61 Correct 168 ms 57668 KB Output is correct
62 Correct 153 ms 55824 KB Output is correct
63 Correct 168 ms 58820 KB Output is correct
64 Correct 172 ms 58820 KB Output is correct
65 Correct 170 ms 59000 KB Output is correct
66 Correct 211 ms 59000 KB Output is correct
67 Correct 223 ms 59332 KB Output is correct
68 Correct 242 ms 59284 KB Output is correct
69 Correct 214 ms 59288 KB Output is correct
70 Correct 231 ms 59460 KB Output is correct
71 Correct 239 ms 59392 KB Output is correct
72 Correct 193 ms 59464 KB Output is correct
73 Correct 234 ms 59352 KB Output is correct
74 Correct 127 ms 59340 KB Output is correct
75 Correct 117 ms 59296 KB Output is correct
76 Correct 189 ms 62056 KB Output is correct
77 Correct 201 ms 62152 KB Output is correct
78 Correct 174 ms 61204 KB Output is correct
79 Correct 242 ms 59344 KB Output is correct
80 Correct 168 ms 58964 KB Output is correct
81 Correct 146 ms 59332 KB Output is correct
82 Correct 175 ms 58176 KB Output is correct
83 Correct 181 ms 58280 KB Output is correct
84 Correct 245 ms 58600 KB Output is correct
85 Correct 190 ms 59264 KB Output is correct
86 Correct 183 ms 59284 KB Output is correct
87 Correct 200 ms 59296 KB Output is correct
88 Correct 180 ms 60784 KB Output is correct
89 Correct 182 ms 59256 KB Output is correct
90 Correct 185 ms 61816 KB Output is correct
91 Correct 212 ms 60580 KB Output is correct
92 Correct 186 ms 59232 KB Output is correct
93 Correct 247 ms 59280 KB Output is correct
94 Correct 154 ms 57844 KB Output is correct
95 Correct 229 ms 59212 KB Output is correct
96 Correct 186 ms 62204 KB Output is correct
97 Correct 224 ms 62112 KB Output is correct
98 Correct 209 ms 62156 KB Output is correct
99 Correct 200 ms 62248 KB Output is correct
100 Correct 155 ms 58360 KB Output is correct
101 Correct 197 ms 62176 KB Output is correct
102 Correct 183 ms 62516 KB Output is correct
103 Correct 163 ms 59340 KB Output is correct