oj.uz

Submission #756743

# Submission time Handle Problem Language Result Execution time Memory
756743 2023-06-12T07:19:16 Z Dan4Life Event Hopping 2 (JOI21_event2) C++17
100 / 100
 221 ms 44760 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) begin(a),end(a)
const int mxN = (int)2e5+10;
const int mxLg = 20;
int n, k;
vector<int> v;
int L[mxN], R[mxN];
int jmp[mxLg][mxN*2];
set<pair<int,int>> cur;
vector<pair<int,int>> w;

int get(int l, int r){
    int tot = 0;
    for(int i = mxLg-1; i>=0; i--)
        if(jmp[i][l]<=r) l=jmp[i][l], tot+=(1<<i);
    return tot;
}

int32_t main(){
    ios_base::sync_with_stdio(false); cin.tie(0);
    cin >> n >> k;
    for(int i = 1; i <= n; i++)
        cin >> L[i] >> R[i], v.pb(L[i]), v.pb(R[i]);
    sort(all(v)); v.erase(unique(all(v)),end(v));
    for(int i = 1; i <= n; i++){
        L[i] = lower_bound(all(v),L[i])-begin(v);
        R[i] = lower_bound(all(v),R[i])-begin(v);
        w.pb({L[i],R[i]});
    }
    sort(all(w));
    int r = sz(v), j = sz(w)-1;
    for(int i = sz(v); i>=0; i--){
        while(j>=0 and w[j].first>=i) 
            r = min(r, w[j].second), j--;
        jmp[0][i] = r;
    }
    for(int i = 1; i < mxLg; i++)
        for(int j = 0; j <= sz(v); j++)
            jmp[i][j] = jmp[i-1][jmp[i-1][j]];
    int tot = get(0,sz(v)-1); if(tot<k){cout<<-1;return 0;}
    cur.insert({0,0}), cur.insert({sz(v)-1,sz(v)-1});
    for(int i = 1; i <= n; i++){
        int l = prev(cur.lower_bound({R[i],0}))->second;
        int r = cur.lower_bound({R[i],0})->first;
        if(L[i]<l) continue;
        int num = tot-get(l,r)+get(l,L[i])+get(R[i],r)+1;
        if(num>=k){
            cout << i << "\n"; tot=num;
            cur.insert({L[i],R[i]});
            if(sz(cur)==k+2) break;
        }
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 159 ms 44736 KB Output is correct
5 Correct 132 ms 44476 KB Output is correct
6 Correct 132 ms 44092 KB Output is correct
7 Correct 135 ms 43428 KB Output is correct
8 Correct 144 ms 44760 KB Output is correct
9 Correct 136 ms 44392 KB Output is correct
10 Correct 132 ms 44160 KB Output is correct
11 Correct 119 ms 43516 KB Output is correct
12 Correct 114 ms 42240 KB Output is correct
13 Correct 116 ms 42156 KB Output is correct
14 Correct 113 ms 42052 KB Output is correct
15 Correct 95 ms 41496 KB Output is correct
16 Correct 79 ms 39232 KB Output is correct
17 Correct 79 ms 39128 KB Output is correct
18 Correct 77 ms 39088 KB Output is correct
19 Correct 75 ms 38560 KB Output is correct
20 Correct 73 ms 38556 KB Output is correct
21 Correct 86 ms 38444 KB Output is correct
22 Correct 69 ms 38520 KB Output is correct
23 Correct 66 ms 38556 KB Output is correct
24 Correct 66 ms 38448 KB Output is correct
25 Correct 74 ms 38440 KB Output is correct
26 Correct 74 ms 38492 KB Output is correct
27 Correct 70 ms 38448 KB Output is correct
28 Correct 66 ms 38460 KB Output is correct
29 Correct 56 ms 38552 KB Output is correct
30 Correct 60 ms 38464 KB Output is correct
31 Correct 67 ms 38508 KB Output is correct
32 Correct 78 ms 38520 KB Output is correct
33 Correct 68 ms 38472 KB Output is correct
34 Correct 87 ms 40672 KB Output is correct
35 Correct 88 ms 39956 KB Output is correct
36 Correct 84 ms 39140 KB Output is correct
37 Correct 107 ms 41764 KB Output is correct
38 Correct 140 ms 41628 KB Output is correct
39 Correct 118 ms 41540 KB Output is correct
40 Correct 101 ms 41368 KB Output is correct
41 Correct 101 ms 41280 KB Output is correct
42 Correct 67 ms 38436 KB Output is correct
43 Correct 112 ms 41700 KB Output is correct
44 Correct 107 ms 41604 KB Output is correct
45 Correct 126 ms 41524 KB Output is correct
46 Correct 109 ms 41280 KB Output is correct

Subtask #2
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 0 ms 468 KB Output is correct
18 Correct 1 ms 456 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 456 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct

Subtask #3
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 0 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 1 ms 468 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 468 KB Output is correct
13 Correct 1 ms 468 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 0 ms 468 KB Output is correct
18 Correct 1 ms 456 KB Output is correct
19 Correct 1 ms 468 KB Output is correct
20 Correct 1 ms 456 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 468 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 468 KB Output is correct
27 Correct 1 ms 468 KB Output is correct
28 Correct 3 ms 1620 KB Output is correct
29 Correct 3 ms 1620 KB Output is correct
30 Correct 3 ms 1748 KB Output is correct
31 Correct 3 ms 1624 KB Output is correct
32 Correct 3 ms 1620 KB Output is correct
33 Correct 3 ms 1616 KB Output is correct
34 Correct 3 ms 1620 KB Output is correct
35 Correct 5 ms 1748 KB Output is correct
36 Correct 5 ms 1748 KB Output is correct
37 Correct 4 ms 1748 KB Output is correct
38 Correct 3 ms 1620 KB Output is correct
39 Correct 4 ms 1696 KB Output is correct
40 Correct 4 ms 1748 KB Output is correct
41 Correct 4 ms 1748 KB Output is correct
42 Correct 3 ms 1620 KB Output is correct
43 Correct 4 ms 1620 KB Output is correct
44 Correct 4 ms 1620 KB Output is correct
45 Correct 5 ms 1620 KB Output is correct
46 Correct 3 ms 1620 KB Output is correct
47 Correct 3 ms 1620 KB Output is correct
48 Correct 3 ms 1620 KB Output is correct
49 Correct 3 ms 1620 KB Output is correct
50 Correct 3 ms 1620 KB Output is correct
51 Correct 3 ms 1620 KB Output is correct
52 Correct 3 ms 1704 KB Output is correct
53 Correct 3 ms 1620 KB Output is correct
54 Correct 3 ms 1620 KB Output is correct
55 Correct 3 ms 1364 KB Output is correct
56 Correct 3 ms 1364 KB Output is correct
57 Correct 3 ms 1364 KB Output is correct
58 Correct 5 ms 1320 KB Output is correct
59 Correct 3 ms 1316 KB Output is correct
60 Correct 3 ms 1364 KB Output is correct
61 Correct 3 ms 1324 KB Output is correct
62 Correct 3 ms 1324 KB Output is correct
63 Correct 3 ms 1236 KB Output is correct
64 Correct 2 ms 1236 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 159 ms 44736 KB Output is correct
5 Correct 132 ms 44476 KB Output is correct
6 Correct 132 ms 44092 KB Output is correct
7 Correct 135 ms 43428 KB Output is correct
8 Correct 144 ms 44760 KB Output is correct
9 Correct 136 ms 44392 KB Output is correct
10 Correct 132 ms 44160 KB Output is correct
11 Correct 119 ms 43516 KB Output is correct
12 Correct 114 ms 42240 KB Output is correct
13 Correct 116 ms 42156 KB Output is correct
14 Correct 113 ms 42052 KB Output is correct
15 Correct 95 ms 41496 KB Output is correct
16 Correct 79 ms 39232 KB Output is correct
17 Correct 79 ms 39128 KB Output is correct
18 Correct 77 ms 39088 KB Output is correct
19 Correct 75 ms 38560 KB Output is correct
20 Correct 73 ms 38556 KB Output is correct
21 Correct 86 ms 38444 KB Output is correct
22 Correct 69 ms 38520 KB Output is correct
23 Correct 66 ms 38556 KB Output is correct
24 Correct 66 ms 38448 KB Output is correct
25 Correct 74 ms 38440 KB Output is correct
26 Correct 74 ms 38492 KB Output is correct
27 Correct 70 ms 38448 KB Output is correct
28 Correct 66 ms 38460 KB Output is correct
29 Correct 56 ms 38552 KB Output is correct
30 Correct 60 ms 38464 KB Output is correct
31 Correct 67 ms 38508 KB Output is correct
32 Correct 78 ms 38520 KB Output is correct
33 Correct 68 ms 38472 KB Output is correct
34 Correct 87 ms 40672 KB Output is correct
35 Correct 88 ms 39956 KB Output is correct
36 Correct 84 ms 39140 KB Output is correct
37 Correct 107 ms 41764 KB Output is correct
38 Correct 140 ms 41628 KB Output is correct
39 Correct 118 ms 41540 KB Output is correct
40 Correct 101 ms 41368 KB Output is correct
41 Correct 101 ms 41280 KB Output is correct
42 Correct 67 ms 38436 KB Output is correct
43 Correct 112 ms 41700 KB Output is correct
44 Correct 107 ms 41604 KB Output is correct
45 Correct 126 ms 41524 KB Output is correct
46 Correct 109 ms 41280 KB Output is correct
47 Correct 1 ms 468 KB Output is correct
48 Correct 0 ms 468 KB Output is correct
49 Correct 1 ms 468 KB Output is correct
50 Correct 1 ms 456 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 468 KB Output is correct
54 Correct 1 ms 468 KB Output is correct
55 Correct 1 ms 468 KB Output is correct
56 Correct 1 ms 468 KB Output is correct
57 Correct 1 ms 468 KB Output is correct
58 Correct 1 ms 468 KB Output is correct
59 Correct 1 ms 468 KB Output is correct
60 Correct 1 ms 468 KB Output is correct
61 Correct 1 ms 468 KB Output is correct
62 Correct 1 ms 468 KB Output is correct
63 Correct 0 ms 468 KB Output is correct
64 Correct 1 ms 456 KB Output is correct
65 Correct 1 ms 468 KB Output is correct
66 Correct 1 ms 456 KB Output is correct
67 Correct 1 ms 468 KB Output is correct
68 Correct 1 ms 468 KB Output is correct
69 Correct 1 ms 468 KB Output is correct
70 Correct 1 ms 468 KB Output is correct
71 Correct 1 ms 468 KB Output is correct
72 Correct 1 ms 468 KB Output is correct
73 Correct 1 ms 468 KB Output is correct
74 Correct 3 ms 1620 KB Output is correct
75 Correct 3 ms 1620 KB Output is correct
76 Correct 3 ms 1748 KB Output is correct
77 Correct 3 ms 1624 KB Output is correct
78 Correct 3 ms 1620 KB Output is correct
79 Correct 3 ms 1616 KB Output is correct
80 Correct 3 ms 1620 KB Output is correct
81 Correct 5 ms 1748 KB Output is correct
82 Correct 5 ms 1748 KB Output is correct
83 Correct 4 ms 1748 KB Output is correct
84 Correct 3 ms 1620 KB Output is correct
85 Correct 4 ms 1696 KB Output is correct
86 Correct 4 ms 1748 KB Output is correct
87 Correct 4 ms 1748 KB Output is correct
88 Correct 3 ms 1620 KB Output is correct
89 Correct 4 ms 1620 KB Output is correct
90 Correct 4 ms 1620 KB Output is correct
91 Correct 5 ms 1620 KB Output is correct
92 Correct 3 ms 1620 KB Output is correct
93 Correct 3 ms 1620 KB Output is correct
94 Correct 3 ms 1620 KB Output is correct
95 Correct 3 ms 1620 KB Output is correct
96 Correct 3 ms 1620 KB Output is correct
97 Correct 3 ms 1620 KB Output is correct
98 Correct 3 ms 1704 KB Output is correct
99 Correct 3 ms 1620 KB Output is correct
100 Correct 3 ms 1620 KB Output is correct
101 Correct 3 ms 1364 KB Output is correct
102 Correct 3 ms 1364 KB Output is correct
103 Correct 3 ms 1364 KB Output is correct
104 Correct 5 ms 1320 KB Output is correct
105 Correct 3 ms 1316 KB Output is correct
106 Correct 3 ms 1364 KB Output is correct
107 Correct 3 ms 1324 KB Output is correct
108 Correct 3 ms 1324 KB Output is correct
109 Correct 3 ms 1236 KB Output is correct
110 Correct 2 ms 1236 KB Output is correct
111 Correct 104 ms 38500 KB Output is correct
112 Correct 99 ms 38548 KB Output is correct
113 Correct 101 ms 38504 KB Output is correct
114 Correct 93 ms 38504 KB Output is correct
115 Correct 107 ms 38540 KB Output is correct
116 Correct 96 ms 38448 KB Output is correct
117 Correct 95 ms 38540 KB Output is correct
118 Correct 221 ms 44676 KB Output is correct
119 Correct 218 ms 44068 KB Output is correct
120 Correct 157 ms 41540 KB Output is correct
121 Correct 88 ms 38456 KB Output is correct
122 Correct 182 ms 42296 KB Output is correct
123 Correct 164 ms 41916 KB Output is correct
124 Correct 156 ms 41552 KB Output is correct
125 Correct 88 ms 38540 KB Output is correct
126 Correct 121 ms 39204 KB Output is correct
127 Correct 148 ms 39132 KB Output is correct
128 Correct 126 ms 39036 KB Output is correct
129 Correct 85 ms 38424 KB Output is correct
130 Correct 111 ms 38484 KB Output is correct
131 Correct 101 ms 38464 KB Output is correct
132 Correct 111 ms 38432 KB Output is correct
133 Correct 97 ms 38516 KB Output is correct
134 Correct 103 ms 38460 KB Output is correct
135 Correct 98 ms 38452 KB Output is correct
136 Correct 93 ms 38464 KB Output is correct
137 Correct 106 ms 38432 KB Output is correct
138 Correct 100 ms 38496 KB Output is correct
139 Correct 93 ms 38544 KB Output is correct
140 Correct 87 ms 38488 KB Output is correct
141 Correct 91 ms 38512 KB Output is correct
142 Correct 115 ms 29604 KB Output is correct
143 Correct 122 ms 29628 KB Output is correct
144 Correct 110 ms 29552 KB Output is correct
145 Correct 100 ms 29652 KB Output is correct
146 Correct 97 ms 29632 KB Output is correct
147 Correct 96 ms 29420 KB Output is correct
148 Correct 101 ms 29252 KB Output is correct
149 Correct 104 ms 29080 KB Output is correct
150 Correct 92 ms 29004 KB Output is correct
151 Correct 85 ms 28364 KB Output is correct
152 Correct 44 ms 23080 KB Output is correct
153 Correct 103 ms 29652 KB Output is correct
154 Correct 101 ms 29588 KB Output is correct
155 Correct 94 ms 29344 KB Output is correct
156 Correct 100 ms 29212 KB Output is correct
157 Correct 102 ms 29124 KB Output is correct
158 Correct 92 ms 28956 KB Output is correct
159 Correct 83 ms 28256 KB Output is correct
160 Correct 45 ms 22976 KB Output is correct
161 Correct 169 ms 33976 KB Output is correct
162 Correct 163 ms 33804 KB Output is correct
163 Correct 149 ms 33732 KB Output is correct
164 Correct 148 ms 33568 KB Output is correct
165 Correct 157 ms 33488 KB Output is correct
166 Correct 77 ms 38448 KB Output is correct
167 Correct 107 ms 41664 KB Output is correct
168 Correct 109 ms 41660 KB Output is correct
169 Correct 107 ms 41592 KB Output is correct
170 Correct 100 ms 41324 KB Output is correct
171 Correct 100 ms 41196 KB Output is correct
172 Correct 111 ms 41792 KB Output is correct
173 Correct 167 ms 26092 KB Output is correct
174 Correct 169 ms 26176 KB Output is correct
175 Correct 154 ms 26164 KB Output is correct
176 Correct 141 ms 25424 KB Output is correct