oj.uz

Submission #267107

# Submission time Handle Problem Language Result Execution time Memory
267107 2020-08-15T20:16:20 Z shayan_p Treatment Project (JOI20_treatment) C++14
35 / 100
 2113 ms 524292 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++});
	    return;
	}
	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]);	    
	*/

	for(int i = 0; i < m; i++){
	    if(f3(x, i) && f2(x, i))
		add_edge(x, i);
	}
    }
};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
0 / 4.0

# Verdict Execution time Memory Grader output
1 Runtime error 2113 ms 524292 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 122488 KB Output is correct
2 Correct 83 ms 122488 KB Output is correct
3 Correct 87 ms 122488 KB Output is correct
4 Correct 84 ms 122488 KB Output is correct
5 Correct 82 ms 122488 KB Output is correct
6 Correct 82 ms 122488 KB Output is correct
7 Correct 95 ms 122488 KB Output is correct
8 Correct 83 ms 122488 KB Output is correct
9 Correct 82 ms 122488 KB Output is correct
10 Correct 86 ms 122632 KB Output is correct
11 Correct 87 ms 122488 KB Output is correct
12 Correct 81 ms 122488 KB Output is correct
13 Correct 84 ms 122488 KB Output is correct
14 Correct 81 ms 122520 KB Output is correct
15 Correct 82 ms 122620 KB Output is correct
16 Correct 84 ms 122488 KB Output is correct
17 Correct 84 ms 122488 KB Output is correct
18 Correct 82 ms 122484 KB Output is correct
19 Correct 83 ms 122488 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 82 ms 122488 KB Output is correct
2 Correct 83 ms 122488 KB Output is correct
3 Correct 87 ms 122488 KB Output is correct
4 Correct 84 ms 122488 KB Output is correct
5 Correct 82 ms 122488 KB Output is correct
6 Correct 82 ms 122488 KB Output is correct
7 Correct 95 ms 122488 KB Output is correct
8 Correct 83 ms 122488 KB Output is correct
9 Correct 82 ms 122488 KB Output is correct
10 Correct 86 ms 122632 KB Output is correct
11 Correct 87 ms 122488 KB Output is correct
12 Correct 81 ms 122488 KB Output is correct
13 Correct 84 ms 122488 KB Output is correct
14 Correct 81 ms 122520 KB Output is correct
15 Correct 82 ms 122620 KB Output is correct
16 Correct 84 ms 122488 KB Output is correct
17 Correct 84 ms 122488 KB Output is correct
18 Correct 82 ms 122484 KB Output is correct
19 Correct 83 ms 122488 KB Output is correct
20 Correct 715 ms 194268 KB Output is correct
21 Correct 743 ms 194524 KB Output is correct
22 Correct 540 ms 124760 KB Output is correct
23 Correct 535 ms 124664 KB Output is correct
24 Correct 519 ms 172280 KB Output is correct
25 Correct 402 ms 158328 KB Output is correct
26 Correct 361 ms 156756 KB Output is correct
27 Correct 393 ms 163744 KB Output is correct
28 Correct 490 ms 171768 KB Output is correct
29 Correct 402 ms 157816 KB Output is correct
30 Correct 375 ms 162040 KB Output is correct
31 Correct 373 ms 166264 KB Output is correct
32 Correct 715 ms 190072 KB Output is correct
33 Correct 728 ms 232392 KB Output is correct
34 Correct 672 ms 187896 KB Output is correct
35 Correct 732 ms 190076 KB Output is correct
36 Correct 723 ms 232232 KB Output is correct
37 Correct 694 ms 187952 KB Output is correct

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Runtime error 2113 ms 524292 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -