oj.uz

Submission #216773

# Submission time Handle Problem Language Result Execution time Memory
216773 2020-03-28T03:56:57 Z abacaba Treatment Project (JOI20_treatment) C++14
39 / 100
 3000 ms 206992 KB 
#include <iostream>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <cstring>
#include <chrono>
#include <vector>
#include <map>
#include <random>
#include <set>
#include <algorithm>
#include <math.h>
#include <cstdio>
#include <stdio.h>
#include <queue>
#include <bitset>
#include <cstdlib>
#include <deque>
#include <cassert>
#include <stack>
using namespace std;
 
#define mp make_pair
#define f first
#define se second
#define pb push_back
#define ppb pop_back
#define ll long long
#define ull unsigned long long
#define cntbit(x) __builtin_popcount(x)
#define endl '\n'
#define uset unordered_set
#define umap unordered_map
#define all(x) x.begin(), x.end()
#define pii pair<int, int>
#define ld long double
#define pll pair<long long, long long>

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

template <typename T> inline T range(T l, T r) {
	return uniform_int_distribution <T>(l, r)(rng);
}

template <typename T> void Min(T &a, T b) {
    a = min(a, b);
}
 
template <typename T> void Max(T &a, T b) {
    a = max(a, b);
}

const int mod = 1e9 + 7;
const ll inf = 2e18;
const int N = 1e5 + 15;
int n, m;
ll ans = -1;

vector <int> compress;
int sz;

ll d[N];

set <pair <ll, int>> q;

inline int gt(int x) {
	return lower_bound(compress.begin(), compress.end(), x) - compress.begin() + 1;
}

struct pt {
	int t, l, r, c;
} a[N];

struct segment_tree {
	set <pii> t[N << 2];
	void get(int v, int tl, int tr, int l, int r, int val, vector <int> &res) {
		if(tl > r || tr < l)
			return;
		if(tl >= l && tr <= r) {
			while(!t[v].empty() && t[v].begin()->f <= val) {
				res.pb(t[v].begin()->se);
				t[v].erase(t[v].begin());
			}
			return;
		}
		int mid = tl + tr >> 1;
		get(v << 1, tl, mid, l, r, val, res);
		get(v << 1 | 1, mid + 1, tr, l, r, val, res);
	}
	void update(int v, int tl, int tr, int pos, pii val, bool insert) {
		if(insert)
			t[v].insert(val);
		else if(t[v].find(val) != t[v].end())
			t[v].erase(val);
		if(tl == tr)
			return;
		int mid = tl + tr >> 1;
		if(pos <= mid)
			update(v << 1, tl, mid, pos, val, insert);
		else
			update(v << 1 | 1, mid + 1, tr, pos, val, insert);
	}
} t1, t2;

inline int nxt() {
	int x;
	scanf("%d", &x);
	return x;
}

main() {
	fill(d, d + N, inf);
	n = nxt(); m = nxt();
	for(int i = 1; i <= m; ++i) {
		a[i].t = nxt(); a[i].l = nxt(); a[i].r = nxt(); a[i].c = nxt();
		compress.pb(a[i].t);
	}
	sort(compress.begin(), compress.end());
	compress.erase(unique(compress.begin(), compress.end()), compress.end());

	sz = compress.size();

	for(int i = 1; i <= m; ++i) {
		--a[i].l;
		if(a[i].l == 0) {
			d[i] = a[i].c;
			q.insert({d[i], i});
		}
		else {
			t1.update(1, 1, sz, gt(a[i].t), mp(a[i].l + a[i].t, i), true);
			t2.update(1, 1, sz, gt(a[i].t), mp(a[i].l - a[i].t, i), true);
		}
	}
	while(!q.empty()) {
		int i = q.begin()->se;
		q.erase(q.begin());

		vector <int> res[2] = {{}, {}};

		t1.get(1, 1, sz, gt(a[i].t), sz, a[i].r + a[i].t, res[0]);
		t2.get(1, 1, sz, 1, gt(a[i].t), a[i].r - a[i].t, res[1]);

		for(int t = 0; t < 2; ++t) {
			for(int j : res[t]) {
				d[j] = d[i] + a[j].c;
				q.insert(mp(d[j], j));

				t1.update(1, 1, sz, gt(a[j].t), mp(a[j].l + a[j].t, j), false);
				t2.update(1, 1, sz, gt(a[j].t), mp(a[j].l - a[j].t, j), false);
			}
		}
	}
	for(int i = 1; i <= m; ++i) {
		if(a[i].r != n || d[i] == inf)
			continue;
		if(ans == -1 || d[i] < ans)
			ans = d[i];
	}
	cout << ans << endl;
	return 0;
}

Compilation message

treatment.cpp: In member function 'void segment_tree::get(int, int, int, int, int, int, std::vector<int>&)':
treatment.cpp:86:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int mid = tl + tr >> 1;
             ~~~^~~~
treatment.cpp: In member function 'void segment_tree::update(int, int, int, int, std::pair<int, int>, bool)':
treatment.cpp:97:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int mid = tl + tr >> 1;
             ~~~^~~~
treatment.cpp: At global scope:
treatment.cpp:111:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main() {
      ^
treatment.cpp: In function 'int nxt()':
treatment.cpp:107:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &x);
  ~~~~~^~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 192 ms 50032 KB Output is correct
2 Correct 176 ms 50032 KB Output is correct
3 Correct 223 ms 49648 KB Output is correct
4 Correct 214 ms 49520 KB Output is correct
5 Correct 247 ms 50032 KB Output is correct
6 Correct 181 ms 50120 KB Output is correct
7 Correct 158 ms 50028 KB Output is correct
8 Correct 130 ms 50028 KB Output is correct
9 Correct 129 ms 50032 KB Output is correct
10 Correct 116 ms 50032 KB Output is correct
11 Correct 319 ms 51056 KB Output is correct
12 Correct 334 ms 50928 KB Output is correct
13 Correct 293 ms 50032 KB Output is correct
14 Correct 293 ms 50036 KB Output is correct
15 Correct 219 ms 50032 KB Output is correct
16 Correct 229 ms 50032 KB Output is correct
17 Correct 231 ms 50032 KB Output is correct
18 Correct 324 ms 51056 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 38656 KB Output is correct
2 Correct 27 ms 38656 KB Output is correct
3 Correct 26 ms 38656 KB Output is correct
4 Correct 26 ms 38656 KB Output is correct
5 Correct 26 ms 38656 KB Output is correct
6 Correct 28 ms 38656 KB Output is correct
7 Correct 26 ms 38708 KB Output is correct
8 Correct 26 ms 38656 KB Output is correct
9 Correct 26 ms 38656 KB Output is correct
10 Correct 27 ms 38656 KB Output is correct
11 Correct 27 ms 38656 KB Output is correct
12 Correct 30 ms 38784 KB Output is correct
13 Correct 27 ms 38656 KB Output is correct
14 Correct 26 ms 38648 KB Output is correct
15 Correct 26 ms 38656 KB Output is correct
16 Correct 28 ms 38656 KB Output is correct
17 Correct 27 ms 38656 KB Output is correct
18 Correct 26 ms 38656 KB Output is correct
19 Correct 26 ms 38656 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 38656 KB Output is correct
2 Correct 27 ms 38656 KB Output is correct
3 Correct 26 ms 38656 KB Output is correct
4 Correct 26 ms 38656 KB Output is correct
5 Correct 26 ms 38656 KB Output is correct
6 Correct 28 ms 38656 KB Output is correct
7 Correct 26 ms 38708 KB Output is correct
8 Correct 26 ms 38656 KB Output is correct
9 Correct 26 ms 38656 KB Output is correct
10 Correct 27 ms 38656 KB Output is correct
11 Correct 27 ms 38656 KB Output is correct
12 Correct 30 ms 38784 KB Output is correct
13 Correct 27 ms 38656 KB Output is correct
14 Correct 26 ms 38648 KB Output is correct
15 Correct 26 ms 38656 KB Output is correct
16 Correct 28 ms 38656 KB Output is correct
17 Correct 27 ms 38656 KB Output is correct
18 Correct 26 ms 38656 KB Output is correct
19 Correct 26 ms 38656 KB Output is correct
20 Correct 61 ms 43264 KB Output is correct
21 Correct 62 ms 43256 KB Output is correct
22 Correct 68 ms 43512 KB Output is correct
23 Correct 68 ms 43512 KB Output is correct
24 Correct 71 ms 44024 KB Output is correct
25 Correct 92 ms 45048 KB Output is correct
26 Correct 74 ms 45048 KB Output is correct
27 Correct 68 ms 45048 KB Output is correct
28 Correct 71 ms 44028 KB Output is correct
29 Correct 74 ms 44920 KB Output is correct
30 Correct 56 ms 45048 KB Output is correct
31 Correct 58 ms 45048 KB Output is correct
32 Correct 85 ms 45176 KB Output is correct
33 Correct 82 ms 45176 KB Output is correct
34 Correct 78 ms 44792 KB Output is correct
35 Correct 84 ms 45176 KB Output is correct
36 Correct 88 ms 45304 KB Output is correct
37 Correct 79 ms 44792 KB Output is correct

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 192 ms 50032 KB Output is correct
2 Correct 176 ms 50032 KB Output is correct
3 Correct 223 ms 49648 KB Output is correct
4 Correct 214 ms 49520 KB Output is correct
5 Correct 247 ms 50032 KB Output is correct
6 Correct 181 ms 50120 KB Output is correct
7 Correct 158 ms 50028 KB Output is correct
8 Correct 130 ms 50028 KB Output is correct
9 Correct 129 ms 50032 KB Output is correct
10 Correct 116 ms 50032 KB Output is correct
11 Correct 319 ms 51056 KB Output is correct
12 Correct 334 ms 50928 KB Output is correct
13 Correct 293 ms 50032 KB Output is correct
14 Correct 293 ms 50036 KB Output is correct
15 Correct 219 ms 50032 KB Output is correct
16 Correct 229 ms 50032 KB Output is correct
17 Correct 231 ms 50032 KB Output is correct
18 Correct 324 ms 51056 KB Output is correct
19 Correct 26 ms 38656 KB Output is correct
20 Correct 27 ms 38656 KB Output is correct
21 Correct 26 ms 38656 KB Output is correct
22 Correct 26 ms 38656 KB Output is correct
23 Correct 26 ms 38656 KB Output is correct
24 Correct 28 ms 38656 KB Output is correct
25 Correct 26 ms 38708 KB Output is correct
26 Correct 26 ms 38656 KB Output is correct
27 Correct 26 ms 38656 KB Output is correct
28 Correct 27 ms 38656 KB Output is correct
29 Correct 27 ms 38656 KB Output is correct
30 Correct 30 ms 38784 KB Output is correct
31 Correct 27 ms 38656 KB Output is correct
32 Correct 26 ms 38648 KB Output is correct
33 Correct 26 ms 38656 KB Output is correct
34 Correct 28 ms 38656 KB Output is correct
35 Correct 27 ms 38656 KB Output is correct
36 Correct 26 ms 38656 KB Output is correct
37 Correct 26 ms 38656 KB Output is correct
38 Correct 61 ms 43264 KB Output is correct
39 Correct 62 ms 43256 KB Output is correct
40 Correct 68 ms 43512 KB Output is correct
41 Correct 68 ms 43512 KB Output is correct
42 Correct 71 ms 44024 KB Output is correct
43 Correct 92 ms 45048 KB Output is correct
44 Correct 74 ms 45048 KB Output is correct
45 Correct 68 ms 45048 KB Output is correct
46 Correct 71 ms 44028 KB Output is correct
47 Correct 74 ms 44920 KB Output is correct
48 Correct 56 ms 45048 KB Output is correct
49 Correct 58 ms 45048 KB Output is correct
50 Correct 85 ms 45176 KB Output is correct
51 Correct 82 ms 45176 KB Output is correct
52 Correct 78 ms 44792 KB Output is correct
53 Correct 84 ms 45176 KB Output is correct
54 Correct 88 ms 45304 KB Output is correct
55 Correct 79 ms 44792 KB Output is correct
56 Correct 1741 ms 160112 KB Output is correct
57 Correct 1719 ms 159980 KB Output is correct
58 Correct 1899 ms 196788 KB Output is correct
59 Correct 1914 ms 196800 KB Output is correct
60 Correct 2043 ms 175828 KB Output is correct
61 Correct 1900 ms 196844 KB Output is correct
62 Correct 1745 ms 160112 KB Output is correct
63 Correct 1740 ms 206992 KB Output is correct
64 Correct 1759 ms 206884 KB Output is correct
65 Correct 324 ms 59504 KB Output is correct
66 Correct 1950 ms 175600 KB Output is correct
67 Correct 2658 ms 205420 KB Output is correct
68 Correct 2290 ms 206700 KB Output is correct
69 Correct 1866 ms 205680 KB Output is correct
70 Correct 2919 ms 205808 KB Output is correct
71 Correct 2351 ms 206708 KB Output is correct
72 Correct 1845 ms 206828 KB Output is correct
73 Correct 2981 ms 205748 KB Output is correct
74 Correct 1395 ms 206704 KB Output is correct
75 Correct 1244 ms 206700 KB Output is correct
76 Execution timed out 3096 ms 201056 KB Time limit exceeded
77 Halted 0 ms 0 KB -