oj.uz

Submission #267110

# Submission time Handle Problem Language Result Execution time Memory
267110 2020-08-15T20:24:56 Z shayan_p Treatment Project (JOI20_treatment) C++14
100 / 100
 2658 ms 326600 KB 
// And you curse yourself for things you never done

#include<bits/stdc++.h>

#define F first
#define S second
#define PB push_back
#define sz(s) int((s).size())
#define bit(n,k) (((n)>>(k))&1)

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll, int> pli;

const int maxn = 1e5 + 10;
const ll inf = 1e18 + 10;

int L[maxn], R[maxn], T[maxn], C[maxn];

const int MAXN2 = maxn * 40;

int VERTID, m;
vector<int> v[MAXN2];
bool mark[MAXN2];
ll dis[MAXN2];

void add_edge(int a, int b){
    v[a].PB(b);
}

struct Segment{
    vector<pii> v[4 * maxn];
    vector<int> L[4 * maxn], R[4 * maxn];
    function<bool(int, int)> f1, f2, f3; // tartib dim1 // tartib dim2 // sould I connect?
    int arr[maxn];
    void restart(function<bool(int, int)> _f1, function<bool(int, int)> _f2, function<bool(int, int)> _f3){
	f1 = _f1, f2 = _f2, f3 = _f3;
	for(int i = 0; i < 4 * maxn; i++)
	    v[i].clear(), L[i].clear(), R[i].clear();
	iota(arr, arr + m, 0);
	sort(arr, arr + m, f1);
	build();
    }
    void build(int l = 0, int r = m, int id = 1){
	if(r-l == 1){
	    v[id].PB({arr[l], VERTID++});
	}
	else{
	    int mid = (l+r) >> 1;
	    build(l, mid, 2*id);
	    build(mid, r, 2*id+1);
	    int pt1 = 0, pt2 = 0;
	    while(pt1 + pt2 < sz(v[2*id]) + sz(v[2*id+1])){
		L[id].PB(pt1), R[id].PB(pt2);
		if(pt2 == sz(v[2*id+1]) || (pt1 != sz(v[2*id]) && f2(v[2*id][pt1].F, v[2*id+1][pt2].F)))
		    v[id].PB({v[2*id][pt1++].F, VERTID++});
		else
		    v[id].PB({v[2*id+1][pt2++].F, VERTID++});
	    }
	}	
	for(int i = 0; i < sz(v[id])-1; i++)
	    add_edge(v[id][i].S, v[id][i+1].S);
	for(pii p : v[id])
	    add_edge(p.S, p.F);
    }
    void add(int x, int l = 0, int r = m, int id = 1, int pos = -1){
	if(id == 1){
	    int L = -1, R = m;
	    while(R-L > 1){
		int mid = (L+R) >> 1;
		if(f2(x, v[1][mid].F))
		    R = mid;
		else
		    L = mid;
	    }
	    pos = R;
	}
	if(pos >= sz(v[id]) || f3(x, arr[r-1]) == 0)
	    return;
	if(f3(x, arr[l])){
	    add_edge(x, v[id][pos].S);
	    return;
	}
	int mid = (l+r) >> 1;
	add(x, l, mid, 2*id, L[id][pos]);
	add(x, mid, r, 2*id+1, R[id][pos]);	    
    }
};Segment seg;

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie();

    int n;
    cin >> n >> m;
    for(int i = 0; i < m; i++){
	cin >> T[i] >> L[i] >> R[i] >> C[i];
    }
    VERTID = m;
    int S = VERTID++, E = VERTID++;
    for(int i = 0; i < m; i++){
	if(L[i] == 1)
	    add_edge(S, i);
	if(R[i] == n)
	    add_edge(i, E); 
    }
    {
	auto A = [](int i){ return R[i] + T[i]; };
	auto B = [](int i){ return +T[i] + L[i] -1; };
	seg.restart([&](int i, int j){ return B(i) > B(j); }, [](int i, int j){ return T[i] <= T[j]; }, [&](int x, int S){ return A(x) >= B(S); });
	for(int i = 0; i < m; i++)
	    seg.add(i);
    }
    {
	auto A = [](int i){ return R[i] - T[i]; };
	auto B = [](int i){ return -T[i] + L[i] -1; };
	seg.restart([&](int i, int j){ return B(i) > B(j); }, [](int i, int j){ return T[i] >= T[j]; }, [&](int x, int S){ return A(x) >= B(S); });
	for(int i = 0; i < m; i++)
	    seg.add(i);
    }

    priority_queue<pli, vector<pli>, greater<pli> > pq;
    fill(dis, dis + VERTID, inf);
    pq.push({0, S});
    dis[S] = 0;
    
    while(sz(pq)){
	int u = pq.top().S;
	pq.pop();
	if(mark[u])
	    continue;
	mark[u] = 1;
	for(int y : v[u]){
	    ll x = dis[u] + (y < m ? C[y] : 0);
	    if(dis[y] > x)
		dis[y] = x, pq.push({dis[y], y});
	}
    }
    
    ll ans = dis[E];
    if(ans == inf)
	ans = -1;
    return cout << ans << endl, 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1545 ms 318764 KB Output is correct
2 Correct 1485 ms 319812 KB Output is correct
3 Correct 1366 ms 317348 KB Output is correct
4 Correct 1280 ms 317364 KB Output is correct
5 Correct 1324 ms 321756 KB Output is correct
6 Correct 1309 ms 321688 KB Output is correct
7 Correct 1286 ms 321640 KB Output is correct
8 Correct 1127 ms 317916 KB Output is correct
9 Correct 1293 ms 318312 KB Output is correct
10 Correct 1188 ms 318184 KB Output is correct
11 Correct 1406 ms 320116 KB Output is correct
12 Correct 1449 ms 320240 KB Output is correct
13 Correct 1765 ms 323272 KB Output is correct
14 Correct 1805 ms 323356 KB Output is correct
15 Correct 1673 ms 321884 KB Output is correct
16 Correct 1660 ms 321796 KB Output is correct
17 Correct 1592 ms 320968 KB Output is correct
18 Correct 1403 ms 319460 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 122488 KB Output is correct
2 Correct 93 ms 122616 KB Output is correct
3 Correct 85 ms 122488 KB Output is correct
4 Correct 84 ms 122488 KB Output is correct
5 Correct 86 ms 122480 KB Output is correct
6 Correct 85 ms 122488 KB Output is correct
7 Correct 87 ms 122492 KB Output is correct
8 Correct 90 ms 122488 KB Output is correct
9 Correct 91 ms 122488 KB Output is correct
10 Correct 91 ms 122508 KB Output is correct
11 Correct 87 ms 122644 KB Output is correct
12 Correct 93 ms 122488 KB Output is correct
13 Correct 87 ms 122488 KB Output is correct
14 Correct 90 ms 122488 KB Output is correct
15 Correct 85 ms 122488 KB Output is correct
16 Correct 85 ms 122488 KB Output is correct
17 Correct 86 ms 122488 KB Output is correct
18 Correct 91 ms 122492 KB Output is correct
19 Correct 86 ms 122488 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 122488 KB Output is correct
2 Correct 93 ms 122616 KB Output is correct
3 Correct 85 ms 122488 KB Output is correct
4 Correct 84 ms 122488 KB Output is correct
5 Correct 86 ms 122480 KB Output is correct
6 Correct 85 ms 122488 KB Output is correct
7 Correct 87 ms 122492 KB Output is correct
8 Correct 90 ms 122488 KB Output is correct
9 Correct 91 ms 122488 KB Output is correct
10 Correct 91 ms 122508 KB Output is correct
11 Correct 87 ms 122644 KB Output is correct
12 Correct 93 ms 122488 KB Output is correct
13 Correct 87 ms 122488 KB Output is correct
14 Correct 90 ms 122488 KB Output is correct
15 Correct 85 ms 122488 KB Output is correct
16 Correct 85 ms 122488 KB Output is correct
17 Correct 86 ms 122488 KB Output is correct
18 Correct 91 ms 122492 KB Output is correct
19 Correct 86 ms 122488 KB Output is correct
20 Correct 128 ms 130300 KB Output is correct
21 Correct 125 ms 130296 KB Output is correct
22 Correct 128 ms 130180 KB Output is correct
23 Correct 127 ms 130168 KB Output is correct
24 Correct 131 ms 130428 KB Output is correct
25 Correct 129 ms 130288 KB Output is correct
26 Correct 130 ms 130264 KB Output is correct
27 Correct 127 ms 130296 KB Output is correct
28 Correct 136 ms 130424 KB Output is correct
29 Correct 133 ms 130296 KB Output is correct
30 Correct 125 ms 130168 KB Output is correct
31 Correct 121 ms 130200 KB Output is correct
32 Correct 139 ms 130552 KB Output is correct
33 Correct 146 ms 130620 KB Output is correct
34 Correct 130 ms 130284 KB Output is correct
35 Correct 135 ms 130552 KB Output is correct
36 Correct 134 ms 130552 KB Output is correct
37 Correct 135 ms 130296 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 1545 ms 318764 KB Output is correct
2 Correct 1485 ms 319812 KB Output is correct
3 Correct 1366 ms 317348 KB Output is correct
4 Correct 1280 ms 317364 KB Output is correct
5 Correct 1324 ms 321756 KB Output is correct
6 Correct 1309 ms 321688 KB Output is correct
7 Correct 1286 ms 321640 KB Output is correct
8 Correct 1127 ms 317916 KB Output is correct
9 Correct 1293 ms 318312 KB Output is correct
10 Correct 1188 ms 318184 KB Output is correct
11 Correct 1406 ms 320116 KB Output is correct
12 Correct 1449 ms 320240 KB Output is correct
13 Correct 1765 ms 323272 KB Output is correct
14 Correct 1805 ms 323356 KB Output is correct
15 Correct 1673 ms 321884 KB Output is correct
16 Correct 1660 ms 321796 KB Output is correct
17 Correct 1592 ms 320968 KB Output is correct
18 Correct 1403 ms 319460 KB Output is correct
19 Correct 85 ms 122488 KB Output is correct
20 Correct 93 ms 122616 KB Output is correct
21 Correct 85 ms 122488 KB Output is correct
22 Correct 84 ms 122488 KB Output is correct
23 Correct 86 ms 122480 KB Output is correct
24 Correct 85 ms 122488 KB Output is correct
25 Correct 87 ms 122492 KB Output is correct
26 Correct 90 ms 122488 KB Output is correct
27 Correct 91 ms 122488 KB Output is correct
28 Correct 91 ms 122508 KB Output is correct
29 Correct 87 ms 122644 KB Output is correct
30 Correct 93 ms 122488 KB Output is correct
31 Correct 87 ms 122488 KB Output is correct
32 Correct 90 ms 122488 KB Output is correct
33 Correct 85 ms 122488 KB Output is correct
34 Correct 85 ms 122488 KB Output is correct
35 Correct 86 ms 122488 KB Output is correct
36 Correct 91 ms 122492 KB Output is correct
37 Correct 86 ms 122488 KB Output is correct
38 Correct 128 ms 130300 KB Output is correct
39 Correct 125 ms 130296 KB Output is correct
40 Correct 128 ms 130180 KB Output is correct
41 Correct 127 ms 130168 KB Output is correct
42 Correct 131 ms 130428 KB Output is correct
43 Correct 129 ms 130288 KB Output is correct
44 Correct 130 ms 130264 KB Output is correct
45 Correct 127 ms 130296 KB Output is correct
46 Correct 136 ms 130424 KB Output is correct
47 Correct 133 ms 130296 KB Output is correct
48 Correct 125 ms 130168 KB Output is correct
49 Correct 121 ms 130200 KB Output is correct
50 Correct 139 ms 130552 KB Output is correct
51 Correct 146 ms 130620 KB Output is correct
52 Correct 130 ms 130284 KB Output is correct
53 Correct 135 ms 130552 KB Output is correct
54 Correct 134 ms 130552 KB Output is correct
55 Correct 135 ms 130296 KB Output is correct
56 Correct 1593 ms 319632 KB Output is correct
57 Correct 1691 ms 320236 KB Output is correct
58 Correct 1832 ms 317796 KB Output is correct
59 Correct 1796 ms 318056 KB Output is correct
60 Correct 1798 ms 316048 KB Output is correct
61 Correct 1794 ms 317904 KB Output is correct
62 Correct 1695 ms 319448 KB Output is correct
63 Correct 1631 ms 313448 KB Output is correct
64 Correct 1614 ms 313392 KB Output is correct
65 Correct 1623 ms 322008 KB Output is correct
66 Correct 1786 ms 316148 KB Output is correct
67 Correct 1822 ms 321996 KB Output is correct
68 Correct 1576 ms 321512 KB Output is correct
69 Correct 1363 ms 321392 KB Output is correct
70 Correct 1917 ms 322024 KB Output is correct
71 Correct 1647 ms 321696 KB Output is correct
72 Correct 1370 ms 321192 KB Output is correct
73 Correct 2000 ms 321680 KB Output is correct
74 Correct 1284 ms 318720 KB Output is correct
75 Correct 1148 ms 317856 KB Output is correct
76 Correct 1847 ms 326500 KB Output is correct
77 Correct 2399 ms 326600 KB Output is correct
78 Correct 2658 ms 323500 KB Output is correct
79 Correct 2092 ms 321776 KB Output is correct
80 Correct 2001 ms 321604 KB Output is correct
81 Correct 1772 ms 318960 KB Output is correct
82 Correct 2152 ms 321124 KB Output is correct
83 Correct 2017 ms 321096 KB Output is correct
84 Correct 2150 ms 321204 KB Output is correct
85 Correct 1875 ms 321360 KB Output is correct
86 Correct 1940 ms 321312 KB Output is correct
87 Correct 1906 ms 321344 KB Output is correct
88 Correct 1848 ms 320212 KB Output is correct
89 Correct 1875 ms 321324 KB Output is correct
90 Correct 2125 ms 324036 KB Output is correct
91 Correct 2081 ms 322636 KB Output is correct
92 Correct 1969 ms 321212 KB Output is correct
93 Correct 2174 ms 321780 KB Output is correct
94 Correct 1850 ms 320812 KB Output is correct
95 Correct 2088 ms 321540 KB Output is correct
96 Correct 2170 ms 323756 KB Output is correct
97 Correct 2170 ms 324524 KB Output is correct
98 Correct 2105 ms 324704 KB Output is correct
99 Correct 2074 ms 324576 KB Output is correct
100 Correct 1613 ms 319860 KB Output is correct
101 Correct 2169 ms 324612 KB Output is correct
102 Correct 1699 ms 324900 KB Output is correct
103 Correct 1987 ms 321560 KB Output is correct