oj.uz

Submission #544552

# Submission time Handle Problem Language Result Execution time Memory
544552 2022-04-02T09:58:31 Z leaked Event Hopping 2 (JOI21_event2) C++14
100 / 100
 180 ms 21880 KB 
#include <bits/stdc++.h>

#define f first
#define s second
#define m_p make_pair
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define vec vector
#define pb push_back
#define sz(x) (int)(x).size()
#define pw(x) (1LL<<(x))
#define fast_resp ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);

using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef long double ld;
template<class T> bool umin(T &a,const T &b){return (a>b?a=b,1:0);}
template<class T> bool umax(T &a,const T &b){return (a<b?a=b,1:0);}
const int N=2e5+1;
int up[N][20];
signed main(){
    fast_resp;
    int n,k;
    cin>>n>>k;
    vec<int>l(n),r(n);
    vec<int> kek;
    for(int i=0;i<n;i++){
        cin>>l[i]>>r[i];
        ++l[i];
        kek.pb(l[i]);kek.pb(r[i]);
    }
    sort(all(kek));kek.erase(unique(all(kek)),kek.end());
    for(auto &z : l) z=lower_bound(all(kek),z)-kek.begin();
    for(auto &z : r) z=lower_bound(all(kek),z)-kek.begin();
    for(int i=0;i<sz(kek);i++){
        for(int j=0;j<20;j++)
            up[i][j]=1e9;
    }
    for(int i=0;i<n;i++){
        umin(up[l[i]][0],r[i]);
    }
    for(int j=0;j<20;j++){
        if(j){
            for(int i=0;i<sz(kek);i++){
//                up[i][j]=up[i][j-1];
//                cerr,
                if(up[i][j-1]+1<sz(kek)){
                    up[i][j]=up[up[i][j-1]+1][j-1];
                }else up[i][j]=1e9;
            }
        }
        for(int i=sz(kek)-1;i>=1;i--){
            umin(up[i-1][j],up[i][j]);
        }
//        for(int i=0;i<sz(kek);i++){
//                        cerr<<"HEY "<<i<<' '<<j<<' '<<up[i][j]<<endl;

//        }
    }
    auto get=[&](int l,int r){
        int cnt=0;
        for(int i=19;i>=0;i--){
            if(l<=r && up[l][i]<=r){
                cnt+=pw(i);
                l=up[l][i]+1;
            }
        }
        return cnt;
    };

    if(get(0,sz(kek)-1)<k){
        cout<<-1;
        return 0;
    }
    set<pii> st;
    st.insert({0,sz(kek)-1});
    vec<int> added;
    int cool=get(0,sz(kek)-1);
    int total=cool;
    for(int i=0;i<n;i++){
        auto it=st.lower_bound(m_p(l[i],-1));
        if(it!=st.begin()) --it;
        if(it!=st.end() && it->s<l[i]) ++it;
//        for(auto &z : st)
//            cout<<z.f<<' '<<z.s<<endl;
        if(it==st.end()) continue;
        if(it->s<r[i] || it->f>l[i]) continue;
        int ins=get(it->f,l[i]-1)+get(r[i]+1,it->s)+1;
        int have=ins-get(it->f,it->s)+total;
//        cout<<"TOADD "<<i<<' '<<have<<' '<<ins<<' '<<total<<' '<<get(it->f,it->s)<<endl;
        if(have<k || sz(added)==k) continue;
        total-=get(it->f,it->s);
        total+=ins;
//        cout<<"TOADD "<<i<<endl;
        added.pb(i);
        pii c=*it;
        st.erase(it);
//        cout<<l[i]<<' '<<r[i]<<' '<<c.f<<' '<<c.s<<endl;
        if(c.f<l[i]) st.insert({c.f,l[i]-1});
        if(r[i]<c.s) {
            st.insert({r[i]+1,c.s});
//            cout<<"ED "<<c.s+1<<' '<<r[i]<<endl;
        }
    }
//    assert(sz(added)==k);
    for(auto &z : added)
        cout<<z+1<<'\n';
    return 0;
}
/*

*/

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 120 ms 20888 KB Output is correct
5 Correct 119 ms 20960 KB Output is correct
6 Correct 121 ms 20784 KB Output is correct
7 Correct 115 ms 20696 KB Output is correct
8 Correct 118 ms 20936 KB Output is correct
9 Correct 121 ms 20804 KB Output is correct
10 Correct 118 ms 20896 KB Output is correct
11 Correct 114 ms 20728 KB Output is correct
12 Correct 123 ms 20940 KB Output is correct
13 Correct 119 ms 20828 KB Output is correct
14 Correct 119 ms 20788 KB Output is correct
15 Correct 113 ms 20636 KB Output is correct
16 Correct 93 ms 19848 KB Output is correct
17 Correct 94 ms 19748 KB Output is correct
18 Correct 100 ms 19780 KB Output is correct
19 Correct 86 ms 19604 KB Output is correct
20 Correct 85 ms 19628 KB Output is correct
21 Correct 85 ms 19612 KB Output is correct
22 Correct 86 ms 19588 KB Output is correct
23 Correct 87 ms 19600 KB Output is correct
24 Correct 88 ms 19520 KB Output is correct
25 Correct 92 ms 19544 KB Output is correct
26 Correct 91 ms 19612 KB Output is correct
27 Correct 89 ms 19512 KB Output is correct
28 Correct 83 ms 19588 KB Output is correct
29 Correct 85 ms 19584 KB Output is correct
30 Correct 84 ms 19576 KB Output is correct
31 Correct 85 ms 19524 KB Output is correct
32 Correct 85 ms 19560 KB Output is correct
33 Correct 89 ms 19528 KB Output is correct
34 Correct 113 ms 20480 KB Output is correct
35 Correct 118 ms 19992 KB Output is correct
36 Correct 114 ms 19740 KB Output is correct
37 Correct 100 ms 20220 KB Output is correct
38 Correct 97 ms 20092 KB Output is correct
39 Correct 99 ms 20076 KB Output is correct
40 Correct 101 ms 20168 KB Output is correct
41 Correct 98 ms 20136 KB Output is correct
42 Correct 97 ms 19564 KB Output is correct
43 Correct 112 ms 20168 KB Output is correct
44 Correct 110 ms 20116 KB Output is correct
45 Correct 109 ms 20168 KB Output is correct
46 Correct 132 ms 20040 KB Output is correct

Subtask #2
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 324 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct

Subtask #3
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 324 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 2 ms 928 KB Output is correct
29 Correct 3 ms 852 KB Output is correct
30 Correct 3 ms 852 KB Output is correct
31 Correct 3 ms 904 KB Output is correct
32 Correct 3 ms 852 KB Output is correct
33 Correct 3 ms 852 KB Output is correct
34 Correct 3 ms 848 KB Output is correct
35 Correct 4 ms 976 KB Output is correct
36 Correct 4 ms 980 KB Output is correct
37 Correct 4 ms 852 KB Output is correct
38 Correct 2 ms 852 KB Output is correct
39 Correct 4 ms 980 KB Output is correct
40 Correct 4 ms 932 KB Output is correct
41 Correct 4 ms 852 KB Output is correct
42 Correct 2 ms 852 KB Output is correct
43 Correct 3 ms 852 KB Output is correct
44 Correct 3 ms 852 KB Output is correct
45 Correct 3 ms 852 KB Output is correct
46 Correct 2 ms 852 KB Output is correct
47 Correct 3 ms 936 KB Output is correct
48 Correct 3 ms 852 KB Output is correct
49 Correct 3 ms 852 KB Output is correct
50 Correct 4 ms 852 KB Output is correct
51 Correct 3 ms 852 KB Output is correct
52 Correct 3 ms 852 KB Output is correct
53 Correct 3 ms 980 KB Output is correct
54 Correct 2 ms 852 KB Output is correct
55 Correct 3 ms 932 KB Output is correct
56 Correct 3 ms 928 KB Output is correct
57 Correct 3 ms 848 KB Output is correct
58 Correct 3 ms 856 KB Output is correct
59 Correct 3 ms 980 KB Output is correct
60 Correct 3 ms 852 KB Output is correct
61 Correct 3 ms 944 KB Output is correct
62 Correct 3 ms 852 KB Output is correct
63 Correct 3 ms 852 KB Output is correct
64 Correct 2 ms 852 KB Output is correct

Subtask #4
61.0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 120 ms 20888 KB Output is correct
5 Correct 119 ms 20960 KB Output is correct
6 Correct 121 ms 20784 KB Output is correct
7 Correct 115 ms 20696 KB Output is correct
8 Correct 118 ms 20936 KB Output is correct
9 Correct 121 ms 20804 KB Output is correct
10 Correct 118 ms 20896 KB Output is correct
11 Correct 114 ms 20728 KB Output is correct
12 Correct 123 ms 20940 KB Output is correct
13 Correct 119 ms 20828 KB Output is correct
14 Correct 119 ms 20788 KB Output is correct
15 Correct 113 ms 20636 KB Output is correct
16 Correct 93 ms 19848 KB Output is correct
17 Correct 94 ms 19748 KB Output is correct
18 Correct 100 ms 19780 KB Output is correct
19 Correct 86 ms 19604 KB Output is correct
20 Correct 85 ms 19628 KB Output is correct
21 Correct 85 ms 19612 KB Output is correct
22 Correct 86 ms 19588 KB Output is correct
23 Correct 87 ms 19600 KB Output is correct
24 Correct 88 ms 19520 KB Output is correct
25 Correct 92 ms 19544 KB Output is correct
26 Correct 91 ms 19612 KB Output is correct
27 Correct 89 ms 19512 KB Output is correct
28 Correct 83 ms 19588 KB Output is correct
29 Correct 85 ms 19584 KB Output is correct
30 Correct 84 ms 19576 KB Output is correct
31 Correct 85 ms 19524 KB Output is correct
32 Correct 85 ms 19560 KB Output is correct
33 Correct 89 ms 19528 KB Output is correct
34 Correct 113 ms 20480 KB Output is correct
35 Correct 118 ms 19992 KB Output is correct
36 Correct 114 ms 19740 KB Output is correct
37 Correct 100 ms 20220 KB Output is correct
38 Correct 97 ms 20092 KB Output is correct
39 Correct 99 ms 20076 KB Output is correct
40 Correct 101 ms 20168 KB Output is correct
41 Correct 98 ms 20136 KB Output is correct
42 Correct 97 ms 19564 KB Output is correct
43 Correct 112 ms 20168 KB Output is correct
44 Correct 110 ms 20116 KB Output is correct
45 Correct 109 ms 20168 KB Output is correct
46 Correct 132 ms 20040 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 1 ms 212 KB Output is correct
51 Correct 1 ms 324 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 212 KB Output is correct
55 Correct 0 ms 212 KB Output is correct
56 Correct 1 ms 212 KB Output is correct
57 Correct 0 ms 212 KB Output is correct
58 Correct 1 ms 332 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 1 ms 212 KB Output is correct
61 Correct 0 ms 212 KB Output is correct
62 Correct 0 ms 324 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 1 ms 212 KB Output is correct
65 Correct 1 ms 212 KB Output is correct
66 Correct 1 ms 212 KB Output is correct
67 Correct 1 ms 212 KB Output is correct
68 Correct 0 ms 212 KB Output is correct
69 Correct 1 ms 212 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 1 ms 212 KB Output is correct
72 Correct 1 ms 212 KB Output is correct
73 Correct 1 ms 212 KB Output is correct
74 Correct 2 ms 928 KB Output is correct
75 Correct 3 ms 852 KB Output is correct
76 Correct 3 ms 852 KB Output is correct
77 Correct 3 ms 904 KB Output is correct
78 Correct 3 ms 852 KB Output is correct
79 Correct 3 ms 852 KB Output is correct
80 Correct 3 ms 848 KB Output is correct
81 Correct 4 ms 976 KB Output is correct
82 Correct 4 ms 980 KB Output is correct
83 Correct 4 ms 852 KB Output is correct
84 Correct 2 ms 852 KB Output is correct
85 Correct 4 ms 980 KB Output is correct
86 Correct 4 ms 932 KB Output is correct
87 Correct 4 ms 852 KB Output is correct
88 Correct 2 ms 852 KB Output is correct
89 Correct 3 ms 852 KB Output is correct
90 Correct 3 ms 852 KB Output is correct
91 Correct 3 ms 852 KB Output is correct
92 Correct 2 ms 852 KB Output is correct
93 Correct 3 ms 936 KB Output is correct
94 Correct 3 ms 852 KB Output is correct
95 Correct 3 ms 852 KB Output is correct
96 Correct 4 ms 852 KB Output is correct
97 Correct 3 ms 852 KB Output is correct
98 Correct 3 ms 852 KB Output is correct
99 Correct 3 ms 980 KB Output is correct
100 Correct 2 ms 852 KB Output is correct
101 Correct 3 ms 932 KB Output is correct
102 Correct 3 ms 928 KB Output is correct
103 Correct 3 ms 848 KB Output is correct
104 Correct 3 ms 856 KB Output is correct
105 Correct 3 ms 980 KB Output is correct
106 Correct 3 ms 852 KB Output is correct
107 Correct 3 ms 944 KB Output is correct
108 Correct 3 ms 852 KB Output is correct
109 Correct 3 ms 852 KB Output is correct
110 Correct 2 ms 852 KB Output is correct
111 Correct 112 ms 19540 KB Output is correct
112 Correct 110 ms 19532 KB Output is correct
113 Correct 109 ms 19556 KB Output is correct
114 Correct 105 ms 19556 KB Output is correct
115 Correct 106 ms 19584 KB Output is correct
116 Correct 103 ms 19532 KB Output is correct
117 Correct 109 ms 19520 KB Output is correct
118 Correct 176 ms 21880 KB Output is correct
119 Correct 180 ms 21664 KB Output is correct
120 Correct 159 ms 21320 KB Output is correct
121 Correct 110 ms 19628 KB Output is correct
122 Correct 173 ms 21148 KB Output is correct
123 Correct 167 ms 21196 KB Output is correct
124 Correct 163 ms 21116 KB Output is correct
125 Correct 116 ms 19576 KB Output is correct
126 Correct 131 ms 20056 KB Output is correct
127 Correct 130 ms 19980 KB Output is correct
128 Correct 128 ms 20048 KB Output is correct
129 Correct 106 ms 19528 KB Output is correct
130 Correct 116 ms 19708 KB Output is correct
131 Correct 114 ms 19688 KB Output is correct
132 Correct 114 ms 19732 KB Output is correct
133 Correct 102 ms 19580 KB Output is correct
134 Correct 109 ms 19580 KB Output is correct
135 Correct 114 ms 19524 KB Output is correct
136 Correct 109 ms 19584 KB Output is correct
137 Correct 106 ms 19584 KB Output is correct
138 Correct 106 ms 19600 KB Output is correct
139 Correct 115 ms 19588 KB Output is correct
140 Correct 106 ms 19552 KB Output is correct
141 Correct 107 ms 19620 KB Output is correct
142 Correct 111 ms 20920 KB Output is correct
143 Correct 110 ms 21004 KB Output is correct
144 Correct 110 ms 20936 KB Output is correct
145 Correct 118 ms 20904 KB Output is correct
146 Correct 113 ms 20856 KB Output is correct
147 Correct 112 ms 20904 KB Output is correct
148 Correct 113 ms 20728 KB Output is correct
149 Correct 118 ms 20760 KB Output is correct
150 Correct 111 ms 20808 KB Output is correct
151 Correct 118 ms 20596 KB Output is correct
152 Correct 80 ms 19528 KB Output is correct
153 Correct 114 ms 20940 KB Output is correct
154 Correct 117 ms 20808 KB Output is correct
155 Correct 113 ms 20796 KB Output is correct
156 Correct 113 ms 20936 KB Output is correct
157 Correct 119 ms 20816 KB Output is correct
158 Correct 111 ms 20808 KB Output is correct
159 Correct 112 ms 20712 KB Output is correct
160 Correct 81 ms 19564 KB Output is correct
161 Correct 162 ms 21664 KB Output is correct
162 Correct 165 ms 21640 KB Output is correct
163 Correct 172 ms 21652 KB Output is correct
164 Correct 163 ms 21500 KB Output is correct
165 Correct 166 ms 21376 KB Output is correct
166 Correct 87 ms 19584 KB Output is correct
167 Correct 109 ms 20108 KB Output is correct
168 Correct 106 ms 20304 KB Output is correct
169 Correct 102 ms 20232 KB Output is correct
170 Correct 101 ms 20124 KB Output is correct
171 Correct 101 ms 17736 KB Output is correct
172 Correct 121 ms 18416 KB Output is correct
173 Correct 155 ms 20620 KB Output is correct
174 Correct 157 ms 20620 KB Output is correct
175 Correct 155 ms 20692 KB Output is correct
176 Correct 151 ms 20764 KB Output is correct