oj.uz

Submission #420368

# Submission time Handle Problem Language Result Execution time Memory
420368 2021-06-08T10:12:35 Z alishahali1382 Treatment Project (JOI20_treatment) C++17
100 / 100
 265 ms 13124 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("O2")
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef long double ld;
typedef pair<pii, int> piii;
#define debug(x) {cerr<<#x<<"="<<x<<"\n";}
#define debug2(x, y) {cerr<<"{"<<#x<<", "<<#y<<"}={"<<x<<", "<<y<<"}\n";}
#define debugp(p) {cerr<<#p<<"={"<<p.first<<" "<<p.second<<"}\n";}
#define debugv(abcd) {cerr<<#abcd<<": ";for (auto dcba:abcd) cerr<<dcba<<" ";cerr<<"\n";}
#define pb push_back
#define all(x) x.begin(), x.end()
#define kill(x) return cout<<x<<"\n", 0;
#define SZ(x) ((int)x.size())

const int inf=1000010000;
const ll INF=10000000000100000ll; // 1e16
const int mod=1000000007;
const int MAXN=100010;

int n, m, q, k, u, v, x, y, t;
int L[MAXN], R[MAXN], T[MAXN], C[MAXN];
int T2[MAXN];
int mark[MAXN];
ll dist[MAXN], ans=INF;
priority_queue<pll, vector<pll>, greater<pll>> pq;

inline bool upd(ll &x, ll y){
	if (x<=y) return 0;
	x=y;
	return 1;
}

struct Segment{
	pii seg[MAXN<<1];
	Segment(){
		fill(seg, seg+2*MAXN, pii(2*inf, 0));
	}
	void Set(int pos, pll val){
		for (seg[pos+=m]=val; pos>1; pos>>=1) seg[pos>>1]=min(seg[pos], seg[pos^1]);
	}
	pll Get(int l, int r){
		pii res=seg[0];
		for (l+=m, r+=m; l<r; l>>=1, r>>=1){
			if (l&1) res=min(res, seg[l++]);
			if (r&1) res=min(res, seg[--r]);
		}
		return res;
	}
} seg1, seg2;

int main(){
	ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	memset(dist, 63, sizeof(dist));
	cin>>n>>m;
	vector<pii> comp;
	for (int i=1; i<=m; i++){
		cin>>T[i]>>L[i]>>R[i]>>C[i];
		L[i]--;
		comp.pb({T[i], i});
	}
	sort(all(comp));
	for (int i=0; i<m; i++) T2[comp[i].second]=i+1;
	for (int i=1; i<=m; i++){
		if (!L[i]) pq.push({dist[i]=C[i], i});
		else{
			seg1.Set(T2[i], {L[i]-T[i], i});
			seg2.Set(T2[i], {L[i]+T[i], i});
		}
	}
	while (pq.size()){
		int v=pq.top().second;
		pq.pop();
		while (1){
			int i=seg1.Get(1, T2[v]).second;
			if (!i || L[i]-T[i]>R[v]-T[v]) break ;
			seg1.Set(T2[i], seg1.seg[0]);
			seg2.Set(T2[i], seg1.seg[0]);
			pq.push({dist[i]=dist[v]+C[i], i});
		}
		while (1){
			int i=seg2.Get(T2[v], m+1).second;
			if (!i || L[i]+T[i]>R[v]+T[v]) break ;
			seg1.Set(T2[i], seg1.seg[0]);
			seg2.Set(T2[i], seg1.seg[0]);
			pq.push({dist[i]=dist[v]+C[i], i});
		}
	}
	for (int i=1; i<=m; i++) if (R[i]==n) upd(ans, dist[i]);
	if (ans>=INF) ans=-1;
	cout<<ans<<"\n";

	return 0;
}
/*
10 5
2 5 10 3
1 1 6 5
5 2 8 3
7 6 10 4
4 1 3 1

10 5
2 6 10 3
1 1 5 5
5 2 7 3
8 6 10 4
4 1 3 1

10 5
1 5 10 4
1 1 6 5
1 4 8 3
1 6 10 3
1 1 3 1


*/

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 218 ms 6976 KB Output is correct
2 Correct 135 ms 10260 KB Output is correct
3 Correct 173 ms 10688 KB Output is correct
4 Correct 203 ms 10084 KB Output is correct
5 Correct 154 ms 12356 KB Output is correct
6 Correct 154 ms 10264 KB Output is correct
7 Correct 133 ms 10176 KB Output is correct
8 Correct 80 ms 10124 KB Output is correct
9 Correct 80 ms 10132 KB Output is correct
10 Correct 80 ms 10196 KB Output is correct
11 Correct 173 ms 12228 KB Output is correct
12 Correct 162 ms 12276 KB Output is correct
13 Correct 193 ms 12244 KB Output is correct
14 Correct 180 ms 12224 KB Output is correct
15 Correct 194 ms 10116 KB Output is correct
16 Correct 189 ms 10132 KB Output is correct
17 Correct 187 ms 9356 KB Output is correct
18 Correct 171 ms 11488 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 4172 KB Output is correct
2 Correct 8 ms 4156 KB Output is correct
3 Correct 8 ms 4172 KB Output is correct
4 Correct 8 ms 4172 KB Output is correct
5 Correct 5 ms 4172 KB Output is correct
6 Correct 9 ms 4184 KB Output is correct
7 Correct 3 ms 4300 KB Output is correct
8 Correct 8 ms 4172 KB Output is correct
9 Correct 8 ms 4236 KB Output is correct
10 Correct 8 ms 4172 KB Output is correct
11 Correct 8 ms 4160 KB Output is correct
12 Correct 4 ms 4172 KB Output is correct
13 Correct 4 ms 4236 KB Output is correct
14 Correct 8 ms 4172 KB Output is correct
15 Correct 8 ms 4172 KB Output is correct
16 Correct 8 ms 4172 KB Output is correct
17 Correct 8 ms 4160 KB Output is correct
18 Correct 8 ms 4172 KB Output is correct
19 Correct 8 ms 4168 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 4172 KB Output is correct
2 Correct 8 ms 4156 KB Output is correct
3 Correct 8 ms 4172 KB Output is correct
4 Correct 8 ms 4172 KB Output is correct
5 Correct 5 ms 4172 KB Output is correct
6 Correct 9 ms 4184 KB Output is correct
7 Correct 3 ms 4300 KB Output is correct
8 Correct 8 ms 4172 KB Output is correct
9 Correct 8 ms 4236 KB Output is correct
10 Correct 8 ms 4172 KB Output is correct
11 Correct 8 ms 4160 KB Output is correct
12 Correct 4 ms 4172 KB Output is correct
13 Correct 4 ms 4236 KB Output is correct
14 Correct 8 ms 4172 KB Output is correct
15 Correct 8 ms 4172 KB Output is correct
16 Correct 8 ms 4172 KB Output is correct
17 Correct 8 ms 4160 KB Output is correct
18 Correct 8 ms 4172 KB Output is correct
19 Correct 8 ms 4168 KB Output is correct
20 Correct 14 ms 4548 KB Output is correct
21 Correct 11 ms 4504 KB Output is correct
22 Correct 13 ms 4644 KB Output is correct
23 Correct 13 ms 4540 KB Output is correct
24 Correct 15 ms 4624 KB Output is correct
25 Correct 15 ms 4556 KB Output is correct
26 Correct 9 ms 4652 KB Output is correct
27 Correct 14 ms 4652 KB Output is correct
28 Correct 10 ms 4684 KB Output is correct
29 Correct 11 ms 4632 KB Output is correct
30 Correct 12 ms 4568 KB Output is correct
31 Correct 9 ms 4556 KB Output is correct
32 Correct 10 ms 4800 KB Output is correct
33 Correct 13 ms 4772 KB Output is correct
34 Correct 16 ms 4632 KB Output is correct
35 Correct 15 ms 4696 KB Output is correct
36 Correct 15 ms 4696 KB Output is correct
37 Correct 13 ms 4508 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 218 ms 6976 KB Output is correct
2 Correct 135 ms 10260 KB Output is correct
3 Correct 173 ms 10688 KB Output is correct
4 Correct 203 ms 10084 KB Output is correct
5 Correct 154 ms 12356 KB Output is correct
6 Correct 154 ms 10264 KB Output is correct
7 Correct 133 ms 10176 KB Output is correct
8 Correct 80 ms 10124 KB Output is correct
9 Correct 80 ms 10132 KB Output is correct
10 Correct 80 ms 10196 KB Output is correct
11 Correct 173 ms 12228 KB Output is correct
12 Correct 162 ms 12276 KB Output is correct
13 Correct 193 ms 12244 KB Output is correct
14 Correct 180 ms 12224 KB Output is correct
15 Correct 194 ms 10116 KB Output is correct
16 Correct 189 ms 10132 KB Output is correct
17 Correct 187 ms 9356 KB Output is correct
18 Correct 171 ms 11488 KB Output is correct
19 Correct 8 ms 4172 KB Output is correct
20 Correct 8 ms 4156 KB Output is correct
21 Correct 8 ms 4172 KB Output is correct
22 Correct 8 ms 4172 KB Output is correct
23 Correct 5 ms 4172 KB Output is correct
24 Correct 9 ms 4184 KB Output is correct
25 Correct 3 ms 4300 KB Output is correct
26 Correct 8 ms 4172 KB Output is correct
27 Correct 8 ms 4236 KB Output is correct
28 Correct 8 ms 4172 KB Output is correct
29 Correct 8 ms 4160 KB Output is correct
30 Correct 4 ms 4172 KB Output is correct
31 Correct 4 ms 4236 KB Output is correct
32 Correct 8 ms 4172 KB Output is correct
33 Correct 8 ms 4172 KB Output is correct
34 Correct 8 ms 4172 KB Output is correct
35 Correct 8 ms 4160 KB Output is correct
36 Correct 8 ms 4172 KB Output is correct
37 Correct 8 ms 4168 KB Output is correct
38 Correct 14 ms 4548 KB Output is correct
39 Correct 11 ms 4504 KB Output is correct
40 Correct 13 ms 4644 KB Output is correct
41 Correct 13 ms 4540 KB Output is correct
42 Correct 15 ms 4624 KB Output is correct
43 Correct 15 ms 4556 KB Output is correct
44 Correct 9 ms 4652 KB Output is correct
45 Correct 14 ms 4652 KB Output is correct
46 Correct 10 ms 4684 KB Output is correct
47 Correct 11 ms 4632 KB Output is correct
48 Correct 12 ms 4568 KB Output is correct
49 Correct 9 ms 4556 KB Output is correct
50 Correct 10 ms 4800 KB Output is correct
51 Correct 13 ms 4772 KB Output is correct
52 Correct 16 ms 4632 KB Output is correct
53 Correct 15 ms 4696 KB Output is correct
54 Correct 15 ms 4696 KB Output is correct
55 Correct 13 ms 4508 KB Output is correct
56 Correct 183 ms 10984 KB Output is correct
57 Correct 166 ms 11380 KB Output is correct
58 Correct 159 ms 9412 KB Output is correct
59 Correct 167 ms 9696 KB Output is correct
60 Correct 164 ms 10408 KB Output is correct
61 Correct 150 ms 9276 KB Output is correct
62 Correct 166 ms 10916 KB Output is correct
63 Correct 148 ms 10316 KB Output is correct
64 Correct 141 ms 10304 KB Output is correct
65 Correct 205 ms 10324 KB Output is correct
66 Correct 153 ms 10440 KB Output is correct
67 Correct 189 ms 10944 KB Output is correct
68 Correct 176 ms 10956 KB Output is correct
69 Correct 169 ms 10964 KB Output is correct
70 Correct 191 ms 11048 KB Output is correct
71 Correct 179 ms 10912 KB Output is correct
72 Correct 161 ms 10944 KB Output is correct
73 Correct 241 ms 10988 KB Output is correct
74 Correct 88 ms 10944 KB Output is correct
75 Correct 92 ms 10872 KB Output is correct
76 Correct 224 ms 12716 KB Output is correct
77 Correct 203 ms 13084 KB Output is correct
78 Correct 208 ms 12532 KB Output is correct
79 Correct 216 ms 10928 KB Output is correct
80 Correct 219 ms 10532 KB Output is correct
81 Correct 103 ms 10884 KB Output is correct
82 Correct 215 ms 9796 KB Output is correct
83 Correct 203 ms 10044 KB Output is correct
84 Correct 211 ms 10088 KB Output is correct
85 Correct 155 ms 10940 KB Output is correct
86 Correct 151 ms 10972 KB Output is correct
87 Correct 199 ms 10968 KB Output is correct
88 Correct 169 ms 11020 KB Output is correct
89 Correct 174 ms 10940 KB Output is correct
90 Correct 208 ms 12944 KB Output is correct
91 Correct 190 ms 12452 KB Output is correct
92 Correct 164 ms 10860 KB Output is correct
93 Correct 265 ms 10944 KB Output is correct
94 Correct 205 ms 11032 KB Output is correct
95 Correct 190 ms 10856 KB Output is correct
96 Correct 201 ms 13124 KB Output is correct
97 Correct 224 ms 12928 KB Output is correct
98 Correct 185 ms 12952 KB Output is correct
99 Correct 226 ms 13024 KB Output is correct
100 Correct 230 ms 12888 KB Output is correct
101 Correct 196 ms 12996 KB Output is correct
102 Correct 196 ms 12932 KB Output is correct
103 Correct 156 ms 11328 KB Output is correct