oj.uz

답안 #697429

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
697429 2023-02-09T19:43:28 Z urosk Event Hopping 2 (JOI21_event2) C++14
100 / 100
 455 ms 59876 KB 
#define here cerr<<"===========================================\n"
#define dbg(x) cerr<<#x<<": "<<x<<endl;
#include "bits/stdc++.h"
//#include <ext/pb_ds/tree_policy.hpp>
//#include <ext/pb_ds/assoc_container.hpp>
#define ld double
#define ll long long
#define llinf 100000000000000000LL // 10^17
#define pb push_back
#define popb pop_back
#define fi first
#define sc second
#define endl '\n'
#define pll pair<ll,ll>
#define pld pair<ld,ld>
#define sz(a) (ll)(a.size())
#define all(a) a.begin(),a.end()
#define ceri(a,l,r) {cerr<<#a<<": ";for(ll i_ = l;i_<=r;i_++) cerr<<a[i_]<< " ";cerr<<endl;}
#define cer(a) {cerr<<#a<<": ";for(ll x_ : a) cerr<<x_<< " ";cerr<<endl;}



#define daj_mi_malo_vremena ios_base::sync_with_stdio(false);cerr.tie(0);cout.tie(0);cin.tie(0);



using namespace std;
//using namespace __gnu_pbds;



#define maxn 200005
#define lg 21
ll n,m,k;
pll a[maxn];
pll b[maxn];
ll dp[maxn];
ll st[maxn][lg];
ll get(ll l,ll r){
    ll ans = 0;
    ll R = r;
    for(ll j = lg-1;j>=0;j--){
        if(st[R][j]>=l){
            ans+=(1<<j);
            R = st[R][j];
        }
    }
    return ans;
}
bool cmp(pll a,pll b){return a.sc<b.sc;}
int main(){
    daj_mi_malo_vremena
    cin >> n >> k;
    for(ll i = 1;i<=n;i++) cin >> a[i].fi >> a[i].sc;
    {
        set<ll> s; map<ll,ll> mp;
        for(ll i = 1;i<=n;i++) s.insert(a[i].fi);
        for(ll i = 1;i<=n;i++) s.insert(a[i].sc);
        for(ll x : s) mp[x] = ++m;
        for(ll i = 1;i<=n;i++) a[i].fi = mp[a[i].fi];
        for(ll i = 1;i<=n;i++) a[i].sc = mp[a[i].sc];
    }
    m++;
    for(ll i = 1;i<=n;i++) b[i] = a[i];
    sort(b+1,b+1+n,cmp);
    ll j = 1,e = 0;
    for(ll i = 1;i<=m;i++){
        while(j<=n&&b[j].sc<=i){
            e = max(e,b[j].fi);
            j++;
        }
        if(j!=1) st[i][0] = e;
    }
    for(ll j = 1;j<lg;j++) for(ll i = 1;i<=m;i++) st[i][j] = st[st[i][j-1]][j-1];
    set<pll> s;
    s.insert({1,m});
    ll mx = get(1,m);
    vector<ll> ans;
    for(ll i = 1;i<=n;i++){
        ll l = a[i].fi,r = a[i].sc;
        auto it = s.upper_bound({r,r});
        if(it==s.begin()) continue;
        it--;
        ll L = (*it).fi,R = (*it).sc;
        if(!(l>=L&&r<=R)) continue;
        ll cur = mx + get(L,l) + get(r,R) - get(L,R) + 1;
        if(cur>=k){
            mx = cur;
            ans.pb(i);
            s.erase(it);
            s.insert({L,l});
            s.insert({r,R});
        }
    }
    if(sz(ans)<k){cout<<-1<<endl; return 0;}
    for(ll i = 0;i<k;i++) cout<<ans[i]<<endl;
    return 0;
}
/**
4 3
1 4
3 5
4 9
7 10



10 6
77412002 93858605
244306432 318243514
280338037 358494212
439397354 492065507
485779890 529132783
571714810 632053254
659767854 709114867
718405631 733610573
786950301 815106357
878719468 899999649
**/

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 328 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 239 ms 59804 KB Output is correct
5 Correct 252 ms 59876 KB Output is correct
6 Correct 235 ms 59664 KB Output is correct
7 Correct 246 ms 59656 KB Output is correct
8 Correct 245 ms 59696 KB Output is correct
9 Correct 234 ms 59768 KB Output is correct
10 Correct 240 ms 59656 KB Output is correct
11 Correct 233 ms 59652 KB Output is correct
12 Correct 219 ms 59564 KB Output is correct
13 Correct 219 ms 59516 KB Output is correct
14 Correct 216 ms 59460 KB Output is correct
15 Correct 226 ms 59532 KB Output is correct
16 Correct 189 ms 59328 KB Output is correct
17 Correct 193 ms 59268 KB Output is correct
18 Correct 193 ms 59340 KB Output is correct
19 Correct 184 ms 59268 KB Output is correct
20 Correct 196 ms 59264 KB Output is correct
21 Correct 189 ms 59192 KB Output is correct
22 Correct 195 ms 59136 KB Output is correct
23 Correct 199 ms 59252 KB Output is correct
24 Correct 195 ms 59268 KB Output is correct
25 Correct 202 ms 59212 KB Output is correct
26 Correct 210 ms 59276 KB Output is correct
27 Correct 199 ms 59224 KB Output is correct
28 Correct 201 ms 59244 KB Output is correct
29 Correct 195 ms 59144 KB Output is correct
30 Correct 199 ms 59180 KB Output is correct
31 Correct 191 ms 59240 KB Output is correct
32 Correct 203 ms 59268 KB Output is correct
33 Correct 217 ms 59360 KB Output is correct
34 Correct 226 ms 59576 KB Output is correct
35 Correct 229 ms 59404 KB Output is correct
36 Correct 219 ms 59412 KB Output is correct
37 Correct 228 ms 59488 KB Output is correct
38 Correct 214 ms 59540 KB Output is correct
39 Correct 216 ms 59496 KB Output is correct
40 Correct 221 ms 59492 KB Output is correct
41 Correct 224 ms 59400 KB Output is correct
42 Correct 210 ms 59272 KB Output is correct
43 Correct 231 ms 59456 KB Output is correct
44 Correct 224 ms 59532 KB Output is correct
45 Correct 213 ms 59532 KB Output is correct
46 Correct 222 ms 59564 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 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 324 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 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 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 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 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 328 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 336 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 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 324 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 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 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 0 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 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 328 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 336 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 5 ms 2132 KB Output is correct
29 Correct 5 ms 2132 KB Output is correct
30 Correct 5 ms 2132 KB Output is correct
31 Correct 5 ms 2132 KB Output is correct
32 Correct 5 ms 2136 KB Output is correct
33 Correct 5 ms 2068 KB Output is correct
34 Correct 5 ms 2132 KB Output is correct
35 Correct 8 ms 2132 KB Output is correct
36 Correct 6 ms 2132 KB Output is correct
37 Correct 6 ms 2140 KB Output is correct
38 Correct 5 ms 2132 KB Output is correct
39 Correct 6 ms 2132 KB Output is correct
40 Correct 6 ms 2132 KB Output is correct
41 Correct 6 ms 2068 KB Output is correct
42 Correct 5 ms 2140 KB Output is correct
43 Correct 5 ms 2060 KB Output is correct
44 Correct 5 ms 2132 KB Output is correct
45 Correct 6 ms 2056 KB Output is correct
46 Correct 5 ms 2136 KB Output is correct
47 Correct 6 ms 2140 KB Output is correct
48 Correct 6 ms 2132 KB Output is correct
49 Correct 5 ms 2132 KB Output is correct
50 Correct 5 ms 2132 KB Output is correct
51 Correct 4 ms 2132 KB Output is correct
52 Correct 4 ms 2136 KB Output is correct
53 Correct 5 ms 2072 KB Output is correct
54 Correct 5 ms 2132 KB Output is correct
55 Correct 4 ms 1236 KB Output is correct
56 Correct 4 ms 1304 KB Output is correct
57 Correct 4 ms 1236 KB Output is correct
58 Correct 4 ms 1272 KB Output is correct
59 Correct 4 ms 1236 KB Output is correct
60 Correct 4 ms 1236 KB Output is correct
61 Correct 5 ms 1236 KB Output is correct
62 Correct 4 ms 1240 KB Output is correct
63 Correct 4 ms 1236 KB Output is correct
64 Correct 3 ms 1300 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 328 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 239 ms 59804 KB Output is correct
5 Correct 252 ms 59876 KB Output is correct
6 Correct 235 ms 59664 KB Output is correct
7 Correct 246 ms 59656 KB Output is correct
8 Correct 245 ms 59696 KB Output is correct
9 Correct 234 ms 59768 KB Output is correct
10 Correct 240 ms 59656 KB Output is correct
11 Correct 233 ms 59652 KB Output is correct
12 Correct 219 ms 59564 KB Output is correct
13 Correct 219 ms 59516 KB Output is correct
14 Correct 216 ms 59460 KB Output is correct
15 Correct 226 ms 59532 KB Output is correct
16 Correct 189 ms 59328 KB Output is correct
17 Correct 193 ms 59268 KB Output is correct
18 Correct 193 ms 59340 KB Output is correct
19 Correct 184 ms 59268 KB Output is correct
20 Correct 196 ms 59264 KB Output is correct
21 Correct 189 ms 59192 KB Output is correct
22 Correct 195 ms 59136 KB Output is correct
23 Correct 199 ms 59252 KB Output is correct
24 Correct 195 ms 59268 KB Output is correct
25 Correct 202 ms 59212 KB Output is correct
26 Correct 210 ms 59276 KB Output is correct
27 Correct 199 ms 59224 KB Output is correct
28 Correct 201 ms 59244 KB Output is correct
29 Correct 195 ms 59144 KB Output is correct
30 Correct 199 ms 59180 KB Output is correct
31 Correct 191 ms 59240 KB Output is correct
32 Correct 203 ms 59268 KB Output is correct
33 Correct 217 ms 59360 KB Output is correct
34 Correct 226 ms 59576 KB Output is correct
35 Correct 229 ms 59404 KB Output is correct
36 Correct 219 ms 59412 KB Output is correct
37 Correct 228 ms 59488 KB Output is correct
38 Correct 214 ms 59540 KB Output is correct
39 Correct 216 ms 59496 KB Output is correct
40 Correct 221 ms 59492 KB Output is correct
41 Correct 224 ms 59400 KB Output is correct
42 Correct 210 ms 59272 KB Output is correct
43 Correct 231 ms 59456 KB Output is correct
44 Correct 224 ms 59532 KB Output is correct
45 Correct 213 ms 59532 KB Output is correct
46 Correct 222 ms 59564 KB Output is correct
47 Correct 1 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 324 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 0 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 1 ms 340 KB Output is correct
57 Correct 0 ms 340 KB Output is correct
58 Correct 0 ms 332 KB Output is correct
59 Correct 0 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 0 ms 340 KB Output is correct
66 Correct 0 ms 340 KB Output is correct
67 Correct 1 ms 328 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 0 ms 340 KB Output is correct
70 Correct 0 ms 340 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 0 ms 336 KB Output is correct
73 Correct 1 ms 340 KB Output is correct
74 Correct 5 ms 2132 KB Output is correct
75 Correct 5 ms 2132 KB Output is correct
76 Correct 5 ms 2132 KB Output is correct
77 Correct 5 ms 2132 KB Output is correct
78 Correct 5 ms 2136 KB Output is correct
79 Correct 5 ms 2068 KB Output is correct
80 Correct 5 ms 2132 KB Output is correct
81 Correct 8 ms 2132 KB Output is correct
82 Correct 6 ms 2132 KB Output is correct
83 Correct 6 ms 2140 KB Output is correct
84 Correct 5 ms 2132 KB Output is correct
85 Correct 6 ms 2132 KB Output is correct
86 Correct 6 ms 2132 KB Output is correct
87 Correct 6 ms 2068 KB Output is correct
88 Correct 5 ms 2140 KB Output is correct
89 Correct 5 ms 2060 KB Output is correct
90 Correct 5 ms 2132 KB Output is correct
91 Correct 6 ms 2056 KB Output is correct
92 Correct 5 ms 2136 KB Output is correct
93 Correct 6 ms 2140 KB Output is correct
94 Correct 6 ms 2132 KB Output is correct
95 Correct 5 ms 2132 KB Output is correct
96 Correct 5 ms 2132 KB Output is correct
97 Correct 4 ms 2132 KB Output is correct
98 Correct 4 ms 2136 KB Output is correct
99 Correct 5 ms 2072 KB Output is correct
100 Correct 5 ms 2132 KB Output is correct
101 Correct 4 ms 1236 KB Output is correct
102 Correct 4 ms 1304 KB Output is correct
103 Correct 4 ms 1236 KB Output is correct
104 Correct 4 ms 1272 KB Output is correct
105 Correct 4 ms 1236 KB Output is correct
106 Correct 4 ms 1236 KB Output is correct
107 Correct 5 ms 1236 KB Output is correct
108 Correct 4 ms 1240 KB Output is correct
109 Correct 4 ms 1236 KB Output is correct
110 Correct 3 ms 1300 KB Output is correct
111 Correct 347 ms 59252 KB Output is correct
112 Correct 367 ms 59260 KB Output is correct
113 Correct 329 ms 59268 KB Output is correct
114 Correct 339 ms 59156 KB Output is correct
115 Correct 326 ms 59252 KB Output is correct
116 Correct 325 ms 59312 KB Output is correct
117 Correct 352 ms 59260 KB Output is correct
118 Correct 442 ms 59852 KB Output is correct
119 Correct 455 ms 59748 KB Output is correct
120 Correct 413 ms 59508 KB Output is correct
121 Correct 416 ms 59348 KB Output is correct
122 Correct 399 ms 59640 KB Output is correct
123 Correct 428 ms 59516 KB Output is correct
124 Correct 423 ms 59552 KB Output is correct
125 Correct 403 ms 59456 KB Output is correct
126 Correct 395 ms 59300 KB Output is correct
127 Correct 366 ms 59448 KB Output is correct
128 Correct 414 ms 59360 KB Output is correct
129 Correct 409 ms 59252 KB Output is correct
130 Correct 379 ms 59272 KB Output is correct
131 Correct 355 ms 59384 KB Output is correct
132 Correct 361 ms 59340 KB Output is correct
133 Correct 373 ms 59216 KB Output is correct
134 Correct 380 ms 59484 KB Output is correct
135 Correct 354 ms 59272 KB Output is correct
136 Correct 349 ms 59292 KB Output is correct
137 Correct 358 ms 59416 KB Output is correct
138 Correct 339 ms 59208 KB Output is correct
139 Correct 343 ms 59164 KB Output is correct
140 Correct 338 ms 59252 KB Output is correct
141 Correct 356 ms 59256 KB Output is correct
142 Correct 204 ms 32396 KB Output is correct
143 Correct 190 ms 32532 KB Output is correct
144 Correct 182 ms 32416 KB Output is correct
145 Correct 181 ms 32660 KB Output is correct
146 Correct 189 ms 32676 KB Output is correct
147 Correct 172 ms 32656 KB Output is correct
148 Correct 174 ms 32680 KB Output is correct
149 Correct 180 ms 32668 KB Output is correct
150 Correct 178 ms 32564 KB Output is correct
151 Correct 174 ms 32588 KB Output is correct
152 Correct 125 ms 32156 KB Output is correct
153 Correct 187 ms 32592 KB Output is correct
154 Correct 181 ms 32520 KB Output is correct
155 Correct 180 ms 32544 KB Output is correct
156 Correct 193 ms 32464 KB Output is correct
157 Correct 181 ms 32532 KB Output is correct
158 Correct 181 ms 32480 KB Output is correct
159 Correct 183 ms 32376 KB Output is correct
160 Correct 129 ms 31936 KB Output is correct
161 Correct 319 ms 45868 KB Output is correct
162 Correct 359 ms 45832 KB Output is correct
163 Correct 336 ms 45844 KB Output is correct
164 Correct 386 ms 45832 KB Output is correct
165 Correct 336 ms 45704 KB Output is correct
166 Correct 226 ms 59276 KB Output is correct
167 Correct 222 ms 59528 KB Output is correct
168 Correct 214 ms 59520 KB Output is correct
169 Correct 232 ms 59640 KB Output is correct
170 Correct 210 ms 59536 KB Output is correct
171 Correct 210 ms 59556 KB Output is correct
172 Correct 223 ms 59612 KB Output is correct
173 Correct 301 ms 32104 KB Output is correct
174 Correct 261 ms 32136 KB Output is correct
175 Correct 280 ms 32144 KB Output is correct
176 Correct 241 ms 32100 KB Output is correct