oj.uz

답안 #659190

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
659190 2022-11-16T23:59:12 Z zaneyu Event Hopping 2 (JOI21_event2) C++14
100 / 100
 221 ms 27904 KB 
/*input
5 2
4 10
4 5
1 2
2 3
3 6
*/
#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
using namespace __gnu_pbds;
typedef tree<long long,null_type,less_equal<long long>,rb_tree_tag,tree_order_statistics_node_update> indexed_set;
//order_of_key #of elements less than x
// find_by_order kth element
using ll=long long;
using ld=long double;
using pii=pair<ll,ll>;
#define f first
#define s second
#define pb push_back
#define REP(i,n) for(int i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define FILL(n,x) memset(n,x,sizeof(n))
#define ALL(_a) _a.begin(),_a.end()
#define sz(x) (int)x.size()
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()),c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
#define GET(v,x) lower_bound(ALL(v),x)-v.begin()
const int maxn=2e5+5;
const ll INF=0x3f3f3f3f;
const ld PI=acos(-1.0l);
const ld eps=1e-6;
const ll INF64=4e18+1;
const int MOD=1e9+7;
#define lowb(x) x&(-x)
#define MNTO(x,y) x=min(x,(__typeof__(x))y)
#define MXTO(x,y) x=max(x,(__typeof__(x))y)
template<typename T1,typename T2>
ostream& operator<<(ostream& out,pair<T1,T2> P){
    out<<P.f<<' '<<P.s;
    return out;
}
template<typename T>
ostream& operator<<(ostream& out,vector<T> V){
    REP(i,sz(V)) out<<V[i]<<((i!=sz(V)-1)?"\n":"");
    return out;
}
inline ll mult(ll a,ll b){
    return a*b%MOD;
}
ll mypow(ll a,ll b){
    if(b<=0) return 1;
    ll res=1LL;
    while(b){
        if(b&1) res=mult(res,a);
        a=mult(a,a);
        b>>=1;
    }
    return res;
}
int l[maxn],r[maxn];
int suff[maxn];
int mn[maxn][20];
int get(int l,int r){
    int ans=0;
    for(int j=19;j>=0;j--){
        if(mn[l][j]<=r){
            l=mn[l][j];
            ans+=(1<<j);
        }
    }
    return ans;
}
int main(){
    ios::sync_with_stdio(false),cin.tie(0);
    int n,k;
    cin>>n>>k;
    vector<pii> v;
    vector<int> dsc;
    REP(i,n){
        cin>>l[i]>>r[i];
        //--r[i];
        dsc.pb(l[i]),dsc.pb(r[i]);
    }
    SORT_UNIQUE(dsc);
    REP(i,2*n) suff[i]=INF;
    REP(i,n){
        l[i]=GET(dsc,l[i]),r[i]=GET(dsc,r[i]);
        MNTO(suff[l[i]],r[i]);
    }  
    for(int i=2*n-2;i>=0;i--) MNTO(suff[i],suff[i+1]);
    REP(i,2*n){
        //cout<<suff[i]<<' ';
        mn[i][0]=suff[i];
    }
    REP1(j,19){
        REP(i,2*n){
            if(mn[i][j-1]<INF) mn[i][j]=mn[mn[i][j-1]][j-1];
            else mn[i][j]=INF;
            //cout<<i<<' '<<j<<' '<<mn[i][j]<<'\n';
        }
    }
    set<pii> s;
    s.insert({0,0}),s.insert({2*n-1,2*n-1});
    vector<int> ans;
    int tot=get(0,2*n-1);
    if(tot<k){
        cout<<-1;
        return 0;
    }
    REP(i,n){
        auto it=s.lower_bound({l[i],r[i]});
        if(((*prev(it)).s>l[i]) or (((*it).f)<r[i])){
            continue;
        }
        if(tot-get((*prev(it)).s,(*it).f)+1+get((*prev(it)).s,l[i])+get(r[i],(*it).f)>=k){
            tot=tot-get((*prev(it)).s,(*it).f)+1+get((*prev(it)).s,l[i])+get(r[i],(*it).f);
            s.insert({l[i],r[i]});
            ans.pb(i+1);
        }
        if(sz(ans)==k) break;
    }
    assert(sz(ans)==k);
    cout<<ans;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 176 ms 25484 KB Output is correct
5 Correct 190 ms 25440 KB Output is correct
6 Correct 149 ms 25076 KB Output is correct
7 Correct 149 ms 24300 KB Output is correct
8 Correct 156 ms 25768 KB Output is correct
9 Correct 169 ms 25436 KB Output is correct
10 Correct 154 ms 25072 KB Output is correct
11 Correct 145 ms 24392 KB Output is correct
12 Correct 138 ms 23084 KB Output is correct
13 Correct 131 ms 22796 KB Output is correct
14 Correct 140 ms 22560 KB Output is correct
15 Correct 158 ms 22140 KB Output is correct
16 Correct 109 ms 19612 KB Output is correct
17 Correct 99 ms 19524 KB Output is correct
18 Correct 113 ms 19464 KB Output is correct
19 Correct 85 ms 18852 KB Output is correct
20 Correct 93 ms 18848 KB Output is correct
21 Correct 81 ms 20480 KB Output is correct
22 Correct 93 ms 20404 KB Output is correct
23 Correct 85 ms 20376 KB Output is correct
24 Correct 87 ms 20332 KB Output is correct
25 Correct 95 ms 20292 KB Output is correct
26 Correct 94 ms 20344 KB Output is correct
27 Correct 79 ms 20376 KB Output is correct
28 Correct 76 ms 20376 KB Output is correct
29 Correct 85 ms 20296 KB Output is correct
30 Correct 89 ms 20296 KB Output is correct
31 Correct 80 ms 20300 KB Output is correct
32 Correct 79 ms 20324 KB Output is correct
33 Correct 93 ms 20364 KB Output is correct
34 Correct 130 ms 22836 KB Output is correct
35 Correct 96 ms 21948 KB Output is correct
36 Correct 88 ms 21052 KB Output is correct
37 Correct 120 ms 23996 KB Output is correct
38 Correct 119 ms 23908 KB Output is correct
39 Correct 113 ms 23744 KB Output is correct
40 Correct 118 ms 23576 KB Output is correct
41 Correct 118 ms 23448 KB Output is correct
42 Correct 84 ms 20340 KB Output is correct
43 Correct 146 ms 23860 KB Output is correct
44 Correct 132 ms 23712 KB Output is correct
45 Correct 126 ms 23544 KB Output is correct
46 Correct 149 ms 23476 KB Output is correct

Subtask #2
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 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 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 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 340 KB Output is correct
26 Correct 1 ms 340 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 1 ms 340 KB Output is correct
2 Correct 1 ms 324 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 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 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 328 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 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 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 3 ms 980 KB Output is correct
29 Correct 3 ms 980 KB Output is correct
30 Correct 3 ms 980 KB Output is correct
31 Correct 4 ms 984 KB Output is correct
32 Correct 3 ms 980 KB Output is correct
33 Correct 3 ms 980 KB Output is correct
34 Correct 3 ms 980 KB Output is correct
35 Correct 4 ms 1108 KB Output is correct
36 Correct 4 ms 1108 KB Output is correct
37 Correct 4 ms 1024 KB Output is correct
38 Correct 3 ms 980 KB Output is correct
39 Correct 4 ms 1108 KB Output is correct
40 Correct 4 ms 1108 KB Output is correct
41 Correct 4 ms 1080 KB Output is correct
42 Correct 2 ms 980 KB Output is correct
43 Correct 3 ms 980 KB Output is correct
44 Correct 3 ms 980 KB Output is correct
45 Correct 3 ms 980 KB Output is correct
46 Correct 2 ms 980 KB Output is correct
47 Correct 2 ms 984 KB Output is correct
48 Correct 2 ms 980 KB Output is correct
49 Correct 3 ms 980 KB Output is correct
50 Correct 3 ms 988 KB Output is correct
51 Correct 3 ms 980 KB Output is correct
52 Correct 3 ms 980 KB Output is correct
53 Correct 3 ms 984 KB Output is correct
54 Correct 4 ms 980 KB Output is correct
55 Correct 4 ms 1108 KB Output is correct
56 Correct 4 ms 1108 KB Output is correct
57 Correct 5 ms 1176 KB Output is correct
58 Correct 4 ms 1180 KB Output is correct
59 Correct 4 ms 1116 KB Output is correct
60 Correct 4 ms 1108 KB Output is correct
61 Correct 5 ms 1108 KB Output is correct
62 Correct 4 ms 1068 KB Output is correct
63 Correct 5 ms 1120 KB Output is correct
64 Correct 3 ms 980 KB Output is correct

Subtask #4
61.0 / 61.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 176 ms 25484 KB Output is correct
5 Correct 190 ms 25440 KB Output is correct
6 Correct 149 ms 25076 KB Output is correct
7 Correct 149 ms 24300 KB Output is correct
8 Correct 156 ms 25768 KB Output is correct
9 Correct 169 ms 25436 KB Output is correct
10 Correct 154 ms 25072 KB Output is correct
11 Correct 145 ms 24392 KB Output is correct
12 Correct 138 ms 23084 KB Output is correct
13 Correct 131 ms 22796 KB Output is correct
14 Correct 140 ms 22560 KB Output is correct
15 Correct 158 ms 22140 KB Output is correct
16 Correct 109 ms 19612 KB Output is correct
17 Correct 99 ms 19524 KB Output is correct
18 Correct 113 ms 19464 KB Output is correct
19 Correct 85 ms 18852 KB Output is correct
20 Correct 93 ms 18848 KB Output is correct
21 Correct 81 ms 20480 KB Output is correct
22 Correct 93 ms 20404 KB Output is correct
23 Correct 85 ms 20376 KB Output is correct
24 Correct 87 ms 20332 KB Output is correct
25 Correct 95 ms 20292 KB Output is correct
26 Correct 94 ms 20344 KB Output is correct
27 Correct 79 ms 20376 KB Output is correct
28 Correct 76 ms 20376 KB Output is correct
29 Correct 85 ms 20296 KB Output is correct
30 Correct 89 ms 20296 KB Output is correct
31 Correct 80 ms 20300 KB Output is correct
32 Correct 79 ms 20324 KB Output is correct
33 Correct 93 ms 20364 KB Output is correct
34 Correct 130 ms 22836 KB Output is correct
35 Correct 96 ms 21948 KB Output is correct
36 Correct 88 ms 21052 KB Output is correct
37 Correct 120 ms 23996 KB Output is correct
38 Correct 119 ms 23908 KB Output is correct
39 Correct 113 ms 23744 KB Output is correct
40 Correct 118 ms 23576 KB Output is correct
41 Correct 118 ms 23448 KB Output is correct
42 Correct 84 ms 20340 KB Output is correct
43 Correct 146 ms 23860 KB Output is correct
44 Correct 132 ms 23712 KB Output is correct
45 Correct 126 ms 23544 KB Output is correct
46 Correct 149 ms 23476 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 324 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 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 0 ms 340 KB Output is correct
57 Correct 1 ms 340 KB Output is correct
58 Correct 1 ms 328 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 340 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 1 ms 340 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 340 KB Output is correct
72 Correct 1 ms 340 KB Output is correct
73 Correct 1 ms 340 KB Output is correct
74 Correct 3 ms 980 KB Output is correct
75 Correct 3 ms 980 KB Output is correct
76 Correct 3 ms 980 KB Output is correct
77 Correct 4 ms 984 KB Output is correct
78 Correct 3 ms 980 KB Output is correct
79 Correct 3 ms 980 KB Output is correct
80 Correct 3 ms 980 KB Output is correct
81 Correct 4 ms 1108 KB Output is correct
82 Correct 4 ms 1108 KB Output is correct
83 Correct 4 ms 1024 KB Output is correct
84 Correct 3 ms 980 KB Output is correct
85 Correct 4 ms 1108 KB Output is correct
86 Correct 4 ms 1108 KB Output is correct
87 Correct 4 ms 1080 KB Output is correct
88 Correct 2 ms 980 KB Output is correct
89 Correct 3 ms 980 KB Output is correct
90 Correct 3 ms 980 KB Output is correct
91 Correct 3 ms 980 KB Output is correct
92 Correct 2 ms 980 KB Output is correct
93 Correct 2 ms 984 KB Output is correct
94 Correct 2 ms 980 KB Output is correct
95 Correct 3 ms 980 KB Output is correct
96 Correct 3 ms 988 KB Output is correct
97 Correct 3 ms 980 KB Output is correct
98 Correct 3 ms 980 KB Output is correct
99 Correct 3 ms 984 KB Output is correct
100 Correct 4 ms 980 KB Output is correct
101 Correct 4 ms 1108 KB Output is correct
102 Correct 4 ms 1108 KB Output is correct
103 Correct 5 ms 1176 KB Output is correct
104 Correct 4 ms 1180 KB Output is correct
105 Correct 4 ms 1116 KB Output is correct
106 Correct 4 ms 1108 KB Output is correct
107 Correct 5 ms 1108 KB Output is correct
108 Correct 4 ms 1068 KB Output is correct
109 Correct 5 ms 1120 KB Output is correct
110 Correct 3 ms 980 KB Output is correct
111 Correct 105 ms 20328 KB Output is correct
112 Correct 122 ms 20360 KB Output is correct
113 Correct 110 ms 20352 KB Output is correct
114 Correct 120 ms 20348 KB Output is correct
115 Correct 114 ms 20376 KB Output is correct
116 Correct 105 ms 20352 KB Output is correct
117 Correct 104 ms 20356 KB Output is correct
118 Correct 214 ms 27392 KB Output is correct
119 Correct 208 ms 26548 KB Output is correct
120 Correct 221 ms 23688 KB Output is correct
121 Correct 97 ms 20376 KB Output is correct
122 Correct 192 ms 24632 KB Output is correct
123 Correct 203 ms 24132 KB Output is correct
124 Correct 190 ms 23860 KB Output is correct
125 Correct 117 ms 20376 KB Output is correct
126 Correct 168 ms 21172 KB Output is correct
127 Correct 138 ms 21096 KB Output is correct
128 Correct 153 ms 20980 KB Output is correct
129 Correct 106 ms 20376 KB Output is correct
130 Correct 110 ms 20368 KB Output is correct
131 Correct 133 ms 20408 KB Output is correct
132 Correct 126 ms 20404 KB Output is correct
133 Correct 105 ms 20308 KB Output is correct
134 Correct 124 ms 20296 KB Output is correct
135 Correct 124 ms 20376 KB Output is correct
136 Correct 115 ms 20376 KB Output is correct
137 Correct 97 ms 20396 KB Output is correct
138 Correct 100 ms 20336 KB Output is correct
139 Correct 112 ms 20328 KB Output is correct
140 Correct 117 ms 20312 KB Output is correct
141 Correct 103 ms 20380 KB Output is correct
142 Correct 168 ms 27796 KB Output is correct
143 Correct 163 ms 27904 KB Output is correct
144 Correct 152 ms 27832 KB Output is correct
145 Correct 157 ms 27772 KB Output is correct
146 Correct 126 ms 27680 KB Output is correct
147 Correct 128 ms 27468 KB Output is correct
148 Correct 137 ms 27364 KB Output is correct
149 Correct 125 ms 27212 KB Output is correct
150 Correct 130 ms 27116 KB Output is correct
151 Correct 162 ms 26316 KB Output is correct
152 Correct 70 ms 20376 KB Output is correct
153 Correct 127 ms 27764 KB Output is correct
154 Correct 170 ms 27720 KB Output is correct
155 Correct 127 ms 27524 KB Output is correct
156 Correct 126 ms 27408 KB Output is correct
157 Correct 130 ms 27228 KB Output is correct
158 Correct 142 ms 27048 KB Output is correct
159 Correct 119 ms 26316 KB Output is correct
160 Correct 72 ms 20376 KB Output is correct
161 Correct 180 ms 24036 KB Output is correct
162 Correct 189 ms 23864 KB Output is correct
163 Correct 162 ms 23700 KB Output is correct
164 Correct 147 ms 23572 KB Output is correct
165 Correct 155 ms 23448 KB Output is correct
166 Correct 86 ms 20356 KB Output is correct
167 Correct 127 ms 23864 KB Output is correct
168 Correct 119 ms 23700 KB Output is correct
169 Correct 120 ms 23568 KB Output is correct
170 Correct 114 ms 23416 KB Output is correct
171 Correct 112 ms 23316 KB Output is correct
172 Correct 126 ms 24072 KB Output is correct
173 Correct 181 ms 24084 KB Output is correct
174 Correct 148 ms 23996 KB Output is correct
175 Correct 163 ms 23940 KB Output is correct
176 Correct 148 ms 23220 KB Output is correct