oj.uz

답안 #792570

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
792570 2023-07-25T06:59:25 Z Cookie Event Hopping 2 (JOI21_event2) C++14
100 / 100
 149 ms 17324 KB 
#include<bits/stdc++.h>
#include<fstream>
#pragma GCC optimize("Ofast,O3,unroll-loops")
#pragma GCC target("avx2")
using namespace std;
//ifstream fin("FEEDING.INP");
//ofstream fout("FEEDING.OUT");
#define sz(a) (int)a.size()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
const ll mxn = 3e5 + 5, base = 972663749;
const ll mod = 911382323, mxv = 1e9 + 1, inf = 2e9;
int n, k;
vt<int>comp;
int up[mxn + 1][17],  l[mxn + 1], r[mxn + 1];
vt<pll>seg;
int find(int mn){
    return(lower_bound(comp.begin(), comp.end(), mn) - comp.begin());
}
int get(int l, int r){
    int ans =0 ;
    for(int i = 16; i >= 0; i--){
        if(up[l][i] <= r){
            ans += (1 << i); l = up[l][i];
        }
    }
    return(ans);
}
signed main()
{
     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); 
    cin >> n >> k;
    for(int i = 0; i < n; i++){
        cin >> l[i] >> r[i]; comp.pb(l[i]); seg.pb({l[i], r[i]});
    }
    comp.pb(inf);
    sort(comp.begin(), comp.end());  comp.resize(unique(comp.begin(), comp.end()) - comp.begin());
    sort(seg.rbegin(), seg.rend());
    ll mn = inf, rr = 0;
    up[sz(comp) - 1][0] = sz(comp); up[sz(comp)][0] = sz(comp);
    for(int i = sz(comp) - 2; i >= 0; i--){
        while(rr < sz(seg) && seg[rr].fi == comp[i]){
            mn = min(mn, seg[rr].se); rr++;
        }
        up[i][0] = find(mn);
       
    }
    for(int i = 1; i < 17; i++){
        for(int j = 0; j <= sz(comp); j++){
            up[j][i] = up[up[j][i - 1]][i - 1];
        }
    }
    
    set<pair<int, int>>s;
    vt<int>res;
    int ans = get(0, sz(comp) - 1);
    
    if(ans < k){
        cout << -1;
        return(0);
    }
    for(int i = 0; i < n; i++){
        int le, ri;
        if(s.empty()){
            le = 0, ri = sz(comp) - 1;
        }else{
            auto it = s.lower_bound(make_pair(l[i], -1));
           
            if(it == s.end()){
                ri = sz(comp) - 1;
            }else{
                
                int id = (*it).se;
                
                if(r[i] > l[id])continue;
                ri = find(l[id]);
            }
            it = s.upper_bound(make_pair(l[i], -1));
            if(it == s.begin()){
                le = 0;
            }else{
                it--;
                int id = (*it).se;
                
                if(r[id] > l[i])continue;
                le = find(r[id]);
            }
        }
        int nwans = ans;
        nwans -= get(le, ri);
        nwans += get(le, find(l[i])); nwans += get(find(r[i]), ri); nwans++;
        if(nwans >= k){
            res.pb(i); if(sz(res) == k)break;
            s.insert(make_pair(l[i], i));
            ans = nwans;
        }
    }
    for(auto i: res)cout << i + 1 << "\n";
    return(0);
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 84 ms 16916 KB Output is correct
5 Correct 82 ms 16696 KB Output is correct
6 Correct 80 ms 16412 KB Output is correct
7 Correct 71 ms 15868 KB Output is correct
8 Correct 85 ms 16856 KB Output is correct
9 Correct 84 ms 16680 KB Output is correct
10 Correct 83 ms 16332 KB Output is correct
11 Correct 74 ms 15804 KB Output is correct
12 Correct 86 ms 14896 KB Output is correct
13 Correct 65 ms 14776 KB Output is correct
14 Correct 61 ms 14612 KB Output is correct
15 Correct 60 ms 14172 KB Output is correct
16 Correct 41 ms 12312 KB Output is correct
17 Correct 39 ms 12312 KB Output is correct
18 Correct 37 ms 12168 KB Output is correct
19 Correct 39 ms 12160 KB Output is correct
20 Correct 32 ms 12100 KB Output is correct
21 Correct 35 ms 12296 KB Output is correct
22 Correct 30 ms 12208 KB Output is correct
23 Correct 30 ms 12076 KB Output is correct
24 Correct 35 ms 12180 KB Output is correct
25 Correct 31 ms 12124 KB Output is correct
26 Correct 27 ms 12076 KB Output is correct
27 Correct 27 ms 12152 KB Output is correct
28 Correct 29 ms 12084 KB Output is correct
29 Correct 29 ms 12324 KB Output is correct
30 Correct 33 ms 12224 KB Output is correct
31 Correct 28 ms 12104 KB Output is correct
32 Correct 27 ms 12096 KB Output is correct
33 Correct 26 ms 12168 KB Output is correct
34 Correct 51 ms 13660 KB Output is correct
35 Correct 44 ms 12952 KB Output is correct
36 Correct 35 ms 12288 KB Output is correct
37 Correct 61 ms 14548 KB Output is correct
38 Correct 61 ms 14304 KB Output is correct
39 Correct 69 ms 14268 KB Output is correct
40 Correct 57 ms 14092 KB Output is correct
41 Correct 56 ms 14024 KB Output is correct
42 Correct 30 ms 12096 KB Output is correct
43 Correct 65 ms 14364 KB Output is correct
44 Correct 67 ms 14276 KB Output is correct
45 Correct 64 ms 14148 KB Output is correct
46 Correct 56 ms 14048 KB Output is correct

Subtask #2
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 340 KB Output is correct

Subtask #3
31.0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 2 ms 724 KB Output is correct
29 Correct 2 ms 744 KB Output is correct
30 Correct 3 ms 724 KB Output is correct
31 Correct 2 ms 724 KB Output is correct
32 Correct 2 ms 672 KB Output is correct
33 Correct 2 ms 724 KB Output is correct
34 Correct 1 ms 724 KB Output is correct
35 Correct 5 ms 800 KB Output is correct
36 Correct 5 ms 724 KB Output is correct
37 Correct 4 ms 724 KB Output is correct
38 Correct 2 ms 724 KB Output is correct
39 Correct 3 ms 844 KB Output is correct
40 Correct 3 ms 748 KB Output is correct
41 Correct 4 ms 800 KB Output is correct
42 Correct 2 ms 724 KB Output is correct
43 Correct 3 ms 724 KB Output is correct
44 Correct 3 ms 724 KB Output is correct
45 Correct 2 ms 728 KB Output is correct
46 Correct 2 ms 724 KB Output is correct
47 Correct 2 ms 724 KB Output is correct
48 Correct 3 ms 724 KB Output is correct
49 Correct 2 ms 724 KB Output is correct
50 Correct 2 ms 668 KB Output is correct
51 Correct 2 ms 728 KB Output is correct
52 Correct 2 ms 724 KB Output is correct
53 Correct 2 ms 668 KB Output is correct
54 Correct 2 ms 724 KB Output is correct
55 Correct 3 ms 812 KB Output is correct
56 Correct 3 ms 860 KB Output is correct
57 Correct 3 ms 852 KB Output is correct
58 Correct 3 ms 852 KB Output is correct
59 Correct 3 ms 804 KB Output is correct
60 Correct 3 ms 852 KB Output is correct
61 Correct 3 ms 852 KB Output is correct
62 Correct 2 ms 852 KB Output is correct
63 Correct 2 ms 724 KB Output is correct
64 Correct 1 ms 724 KB Output is correct

Subtask #4
61.0 / 61.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 84 ms 16916 KB Output is correct
5 Correct 82 ms 16696 KB Output is correct
6 Correct 80 ms 16412 KB Output is correct
7 Correct 71 ms 15868 KB Output is correct
8 Correct 85 ms 16856 KB Output is correct
9 Correct 84 ms 16680 KB Output is correct
10 Correct 83 ms 16332 KB Output is correct
11 Correct 74 ms 15804 KB Output is correct
12 Correct 86 ms 14896 KB Output is correct
13 Correct 65 ms 14776 KB Output is correct
14 Correct 61 ms 14612 KB Output is correct
15 Correct 60 ms 14172 KB Output is correct
16 Correct 41 ms 12312 KB Output is correct
17 Correct 39 ms 12312 KB Output is correct
18 Correct 37 ms 12168 KB Output is correct
19 Correct 39 ms 12160 KB Output is correct
20 Correct 32 ms 12100 KB Output is correct
21 Correct 35 ms 12296 KB Output is correct
22 Correct 30 ms 12208 KB Output is correct
23 Correct 30 ms 12076 KB Output is correct
24 Correct 35 ms 12180 KB Output is correct
25 Correct 31 ms 12124 KB Output is correct
26 Correct 27 ms 12076 KB Output is correct
27 Correct 27 ms 12152 KB Output is correct
28 Correct 29 ms 12084 KB Output is correct
29 Correct 29 ms 12324 KB Output is correct
30 Correct 33 ms 12224 KB Output is correct
31 Correct 28 ms 12104 KB Output is correct
32 Correct 27 ms 12096 KB Output is correct
33 Correct 26 ms 12168 KB Output is correct
34 Correct 51 ms 13660 KB Output is correct
35 Correct 44 ms 12952 KB Output is correct
36 Correct 35 ms 12288 KB Output is correct
37 Correct 61 ms 14548 KB Output is correct
38 Correct 61 ms 14304 KB Output is correct
39 Correct 69 ms 14268 KB Output is correct
40 Correct 57 ms 14092 KB Output is correct
41 Correct 56 ms 14024 KB Output is correct
42 Correct 30 ms 12096 KB Output is correct
43 Correct 65 ms 14364 KB Output is correct
44 Correct 67 ms 14276 KB Output is correct
45 Correct 64 ms 14148 KB Output is correct
46 Correct 56 ms 14048 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 0 ms 340 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 332 KB Output is correct
57 Correct 1 ms 336 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 0 ms 340 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 1 ms 328 KB Output is correct
64 Correct 1 ms 332 KB Output is correct
65 Correct 1 ms 336 KB Output is correct
66 Correct 1 ms 340 KB Output is correct
67 Correct 1 ms 340 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 1 ms 332 KB Output is correct
72 Correct 1 ms 332 KB Output is correct
73 Correct 1 ms 340 KB Output is correct
74 Correct 2 ms 724 KB Output is correct
75 Correct 2 ms 744 KB Output is correct
76 Correct 3 ms 724 KB Output is correct
77 Correct 2 ms 724 KB Output is correct
78 Correct 2 ms 672 KB Output is correct
79 Correct 2 ms 724 KB Output is correct
80 Correct 1 ms 724 KB Output is correct
81 Correct 5 ms 800 KB Output is correct
82 Correct 5 ms 724 KB Output is correct
83 Correct 4 ms 724 KB Output is correct
84 Correct 2 ms 724 KB Output is correct
85 Correct 3 ms 844 KB Output is correct
86 Correct 3 ms 748 KB Output is correct
87 Correct 4 ms 800 KB Output is correct
88 Correct 2 ms 724 KB Output is correct
89 Correct 3 ms 724 KB Output is correct
90 Correct 3 ms 724 KB Output is correct
91 Correct 2 ms 728 KB Output is correct
92 Correct 2 ms 724 KB Output is correct
93 Correct 2 ms 724 KB Output is correct
94 Correct 3 ms 724 KB Output is correct
95 Correct 2 ms 724 KB Output is correct
96 Correct 2 ms 668 KB Output is correct
97 Correct 2 ms 728 KB Output is correct
98 Correct 2 ms 724 KB Output is correct
99 Correct 2 ms 668 KB Output is correct
100 Correct 2 ms 724 KB Output is correct
101 Correct 3 ms 812 KB Output is correct
102 Correct 3 ms 860 KB Output is correct
103 Correct 3 ms 852 KB Output is correct
104 Correct 3 ms 852 KB Output is correct
105 Correct 3 ms 804 KB Output is correct
106 Correct 3 ms 852 KB Output is correct
107 Correct 3 ms 852 KB Output is correct
108 Correct 2 ms 852 KB Output is correct
109 Correct 2 ms 724 KB Output is correct
110 Correct 1 ms 724 KB Output is correct
111 Correct 45 ms 12184 KB Output is correct
112 Correct 50 ms 12144 KB Output is correct
113 Correct 57 ms 12096 KB Output is correct
114 Correct 42 ms 12192 KB Output is correct
115 Correct 39 ms 12184 KB Output is correct
116 Correct 42 ms 12184 KB Output is correct
117 Correct 42 ms 12192 KB Output is correct
118 Correct 149 ms 16916 KB Output is correct
119 Correct 141 ms 16392 KB Output is correct
120 Correct 98 ms 14252 KB Output is correct
121 Correct 45 ms 12076 KB Output is correct
122 Correct 134 ms 14912 KB Output is correct
123 Correct 120 ms 14556 KB Output is correct
124 Correct 95 ms 14236 KB Output is correct
125 Correct 41 ms 12096 KB Output is correct
126 Correct 73 ms 12320 KB Output is correct
127 Correct 73 ms 12312 KB Output is correct
128 Correct 69 ms 12188 KB Output is correct
129 Correct 41 ms 12088 KB Output is correct
130 Correct 61 ms 12184 KB Output is correct
131 Correct 60 ms 12192 KB Output is correct
132 Correct 64 ms 12172 KB Output is correct
133 Correct 40 ms 12164 KB Output is correct
134 Correct 56 ms 12108 KB Output is correct
135 Correct 47 ms 12084 KB Output is correct
136 Correct 43 ms 12196 KB Output is correct
137 Correct 37 ms 12116 KB Output is correct
138 Correct 43 ms 12192 KB Output is correct
139 Correct 42 ms 12092 KB Output is correct
140 Correct 41 ms 12164 KB Output is correct
141 Correct 38 ms 12200 KB Output is correct
142 Correct 88 ms 17324 KB Output is correct
143 Correct 90 ms 17308 KB Output is correct
144 Correct 87 ms 17316 KB Output is correct
145 Correct 85 ms 17200 KB Output is correct
146 Correct 91 ms 17172 KB Output is correct
147 Correct 81 ms 17024 KB Output is correct
148 Correct 83 ms 16960 KB Output is correct
149 Correct 81 ms 16800 KB Output is correct
150 Correct 94 ms 16784 KB Output is correct
151 Correct 70 ms 16064 KB Output is correct
152 Correct 28 ms 12116 KB Output is correct
153 Correct 86 ms 17216 KB Output is correct
154 Correct 84 ms 17192 KB Output is correct
155 Correct 84 ms 17028 KB Output is correct
156 Correct 85 ms 16908 KB Output is correct
157 Correct 80 ms 16832 KB Output is correct
158 Correct 83 ms 16688 KB Output is correct
159 Correct 89 ms 16152 KB Output is correct
160 Correct 30 ms 12068 KB Output is correct
161 Correct 117 ms 14392 KB Output is correct
162 Correct 119 ms 14304 KB Output is correct
163 Correct 104 ms 14268 KB Output is correct
164 Correct 94 ms 14148 KB Output is correct
165 Correct 93 ms 13980 KB Output is correct
166 Correct 33 ms 12176 KB Output is correct
167 Correct 66 ms 14360 KB Output is correct
168 Correct 65 ms 14224 KB Output is correct
169 Correct 83 ms 14080 KB Output is correct
170 Correct 66 ms 13972 KB Output is correct
171 Correct 61 ms 13792 KB Output is correct
172 Correct 68 ms 14440 KB Output is correct
173 Correct 110 ms 14452 KB Output is correct
174 Correct 113 ms 14440 KB Output is correct
175 Correct 120 ms 14432 KB Output is correct
176 Correct 93 ms 13884 KB Output is correct