oj.uz

답안 #233108

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
233108 2020-05-19T11:21:02 Z nvmdava 새 집 (APIO18_new_home) C++17
47 / 100
 1136 ms 127524 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ff first
#define ss second
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define N 1000005
const ll MOD = 1000000007;
const int INF = 0x3f3f3f3f;
 
int x[N], ans[N], y[N], l[N], t[N], a[N], b[N];
int n, k, q;
vector<int> tmp;
 
vector<pair<int, int> > sh[N];
map<int, int> in;
multiset<int> ok;
vector<pair<pair<int, int>, pair<int, int> > > lol;
int seg[N];
 
void update(int id, int l, int r, int L, int R, int v){
    if(l >= L && r <= R){
        seg[id] = max(seg[id], v);
        return;
    }
    if(l > R || r < L) return;
    int m = (l + r) >> 1;
    update(id << 1, l, m, L, R, v);
    update(id << 1 | 1, m + 1, r, L, R, v);
}
 
int query(int id, int l, int r, int x){
    if(x < l || x > r) return 0;
    if(l == r) return seg[id];
    int m = (l + r) >> 1;
    return max(seg[id], max(query(id << 1, l, m, x), query(id << 1 | 1, m + 1, r, x)));
}
 
void solve(){
    lol.clear();
    memset(seg, 0, sizeof seg);
    for(int i = 1; i <= k; ++i){
        in.clear();
        ok.clear();
        in[INF] = 1;
        in[-INF] = 1;
        for(auto& x : sh[i]){
            if(x.ss > 0){
                ok.insert(x.ss);
                if(ok.count(x.ss) >= 2)
                    continue;
                auto r = in.insert({x.ss, x.ff}).ff;
                auto l = r++;
                auto it = l--;
                lol.push_back({{(r -> ff + l -> ff) / 2, r -> ff}, {r -> ss, x.ff - 1}});
                r -> ss = x.ff;
            } else {
                ok.erase(ok.find(-x.ss));
                if(ok.count(-x.ss))
                    continue;
                auto r = in.find(-x.ss);
                auto l = r++;
                auto it = l--;
                lol.push_back({{(it -> ff + l -> ff) / 2, it -> ff}, {it -> ss, x.ff - 1}});
                lol.push_back({{(it -> ff + r -> ff) / 2, r -> ff}, {r -> ss, x.ff - 1}});
                in[r -> ff] = x.ff;
                in.erase(it);
            }
        }
        auto r = in.begin();
        auto l = r++;
        lol.push_back({{(r -> ff + l -> ff) / 2, r -> ff}, {r -> ss, tmp.size()}});
    }
    for(int i = 1; i <= q; ++i)
        lol.push_back({{l[i], 1'000'000'000}, {i, y[i]}});
    
    sort(lol.begin(), lol.end());
    for(auto& x : lol){
        if(x.ff.ss != 1'000'000'000){
            if(x.ss.ff <= x.ss.ss && x.ff.ss > 0){
                update(1, 1, 300'005, x.ss.ff, x.ss.ss, x.ff.ss);
            }
        }
        else
            ans[x.ss.ff] = max(ans[x.ss.ff], query(1, 1, 300'005, x.ss.ss) - x.ff.ff);
    }
}
 
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
 
    cin>>n>>k>>q;
    for(int i = 1; i <= n; ++i)
        cin>>x[i]>>t[i]>>a[i]>>b[i];
    for(int i = 1; i <= q; ++i){
        cin>>l[i]>>y[i];
        l[i] <<= 1;
        tmp.push_back(y[i]);
    }
    sort(tmp.begin(), tmp.end());
    tmp.resize(unique(tmp.begin(), tmp.end()) - tmp.begin());
 
    for(int i = 1; i <= q; ++i)
        y[i] = upper_bound(tmp.begin(), tmp.end(), y[i]) - tmp.begin();
    for(int i = 1; i <= n; ++i){
        a[i] = lower_bound(tmp.begin(), tmp.end(), a[i]) - tmp.begin() + 1;
        b[i] = lower_bound(tmp.begin(), tmp.end(), b[i] + 1) - tmp.begin() + 1;
        if(a[i] < b[i]){
            x[i] <<= 1;
            sh[t[i]].push_back({a[i], x[i]});
            sh[t[i]].push_back({b[i], -x[i]});
        }
    }
 
    for(int i = 1; i <= k; ++i)
        sort(sh[i].begin(), sh[i].end());
    solve();
 
    for(int i = 1; i <= q; ++i)
        l[i] = 200'000'002 - l[i];
    for(int i = 1; i <= k; ++i)
        for(auto& x : sh[i])
            if(x.ss > 0)
                x.ss = 200'000'002 - x.ss;
            else
                x.ss = -200'000'002 - x.ss;
    solve();
 
    for(int i = 1; i <= q; ++i){
        if(ans[i] > 400'000'002)
            cout<<"-1\n";
        else
            cout<<ans[i] / 2<<'\n';
    }
}

Compilation message

new_home.cpp: In function 'void solve()':
new_home.cpp:54:22: warning: variable 'it' set but not used [-Wunused-but-set-variable]
                 auto it = l--;
                      ^~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 27776 KB Output is correct
2 Correct 20 ms 27776 KB Output is correct
3 Correct 20 ms 27776 KB Output is correct
4 Correct 21 ms 27776 KB Output is correct
5 Correct 22 ms 27904 KB Output is correct
6 Correct 22 ms 27904 KB Output is correct
7 Correct 22 ms 27904 KB Output is correct
8 Correct 22 ms 27904 KB Output is correct
9 Correct 22 ms 27904 KB Output is correct
10 Correct 22 ms 27904 KB Output is correct
11 Correct 21 ms 27904 KB Output is correct
12 Correct 22 ms 27904 KB Output is correct
13 Correct 22 ms 27904 KB Output is correct
14 Correct 21 ms 27904 KB Output is correct
15 Correct 23 ms 28032 KB Output is correct
16 Correct 23 ms 27904 KB Output is correct
17 Correct 23 ms 27904 KB Output is correct
18 Correct 22 ms 27904 KB Output is correct
19 Correct 22 ms 27904 KB Output is correct
20 Correct 23 ms 27904 KB Output is correct
21 Correct 22 ms 27904 KB Output is correct
22 Correct 22 ms 27904 KB Output is correct
23 Correct 23 ms 27904 KB Output is correct
24 Correct 23 ms 27904 KB Output is correct
25 Correct 22 ms 27904 KB Output is correct
26 Correct 22 ms 27904 KB Output is correct
27 Correct 22 ms 27904 KB Output is correct
28 Correct 22 ms 27904 KB Output is correct
29 Correct 22 ms 27904 KB Output is correct
30 Correct 21 ms 27904 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 27776 KB Output is correct
2 Correct 20 ms 27776 KB Output is correct
3 Correct 20 ms 27776 KB Output is correct
4 Correct 21 ms 27776 KB Output is correct
5 Correct 22 ms 27904 KB Output is correct
6 Correct 22 ms 27904 KB Output is correct
7 Correct 22 ms 27904 KB Output is correct
8 Correct 22 ms 27904 KB Output is correct
9 Correct 22 ms 27904 KB Output is correct
10 Correct 22 ms 27904 KB Output is correct
11 Correct 21 ms 27904 KB Output is correct
12 Correct 22 ms 27904 KB Output is correct
13 Correct 22 ms 27904 KB Output is correct
14 Correct 21 ms 27904 KB Output is correct
15 Correct 23 ms 28032 KB Output is correct
16 Correct 23 ms 27904 KB Output is correct
17 Correct 23 ms 27904 KB Output is correct
18 Correct 22 ms 27904 KB Output is correct
19 Correct 22 ms 27904 KB Output is correct
20 Correct 23 ms 27904 KB Output is correct
21 Correct 22 ms 27904 KB Output is correct
22 Correct 22 ms 27904 KB Output is correct
23 Correct 23 ms 27904 KB Output is correct
24 Correct 23 ms 27904 KB Output is correct
25 Correct 22 ms 27904 KB Output is correct
26 Correct 22 ms 27904 KB Output is correct
27 Correct 22 ms 27904 KB Output is correct
28 Correct 22 ms 27904 KB Output is correct
29 Correct 22 ms 27904 KB Output is correct
30 Correct 21 ms 27904 KB Output is correct
31 Correct 359 ms 36128 KB Output is correct
32 Correct 367 ms 32104 KB Output is correct
33 Correct 387 ms 35424 KB Output is correct
34 Correct 343 ms 35936 KB Output is correct
35 Correct 359 ms 35424 KB Output is correct
36 Correct 391 ms 35680 KB Output is correct
37 Correct 334 ms 35424 KB Output is correct
38 Correct 362 ms 35152 KB Output is correct
39 Correct 292 ms 35196 KB Output is correct
40 Correct 311 ms 34980 KB Output is correct
41 Correct 292 ms 35172 KB Output is correct
42 Correct 287 ms 35552 KB Output is correct
43 Correct 224 ms 33140 KB Output is correct
44 Correct 277 ms 35552 KB Output is correct
45 Correct 272 ms 35444 KB Output is correct
46 Correct 261 ms 35528 KB Output is correct
47 Correct 222 ms 34920 KB Output is correct
48 Correct 211 ms 35156 KB Output is correct
49 Correct 227 ms 35172 KB Output is correct
50 Correct 256 ms 35676 KB Output is correct
51 Correct 241 ms 35172 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1086 ms 76848 KB Output is correct
2 Incorrect 1136 ms 76860 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 990 ms 127524 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 27776 KB Output is correct
2 Correct 20 ms 27776 KB Output is correct
3 Correct 20 ms 27776 KB Output is correct
4 Correct 21 ms 27776 KB Output is correct
5 Correct 22 ms 27904 KB Output is correct
6 Correct 22 ms 27904 KB Output is correct
7 Correct 22 ms 27904 KB Output is correct
8 Correct 22 ms 27904 KB Output is correct
9 Correct 22 ms 27904 KB Output is correct
10 Correct 22 ms 27904 KB Output is correct
11 Correct 21 ms 27904 KB Output is correct
12 Correct 22 ms 27904 KB Output is correct
13 Correct 22 ms 27904 KB Output is correct
14 Correct 21 ms 27904 KB Output is correct
15 Correct 23 ms 28032 KB Output is correct
16 Correct 23 ms 27904 KB Output is correct
17 Correct 23 ms 27904 KB Output is correct
18 Correct 22 ms 27904 KB Output is correct
19 Correct 22 ms 27904 KB Output is correct
20 Correct 23 ms 27904 KB Output is correct
21 Correct 22 ms 27904 KB Output is correct
22 Correct 22 ms 27904 KB Output is correct
23 Correct 23 ms 27904 KB Output is correct
24 Correct 23 ms 27904 KB Output is correct
25 Correct 22 ms 27904 KB Output is correct
26 Correct 22 ms 27904 KB Output is correct
27 Correct 22 ms 27904 KB Output is correct
28 Correct 22 ms 27904 KB Output is correct
29 Correct 22 ms 27904 KB Output is correct
30 Correct 21 ms 27904 KB Output is correct
31 Correct 359 ms 36128 KB Output is correct
32 Correct 367 ms 32104 KB Output is correct
33 Correct 387 ms 35424 KB Output is correct
34 Correct 343 ms 35936 KB Output is correct
35 Correct 359 ms 35424 KB Output is correct
36 Correct 391 ms 35680 KB Output is correct
37 Correct 334 ms 35424 KB Output is correct
38 Correct 362 ms 35152 KB Output is correct
39 Correct 292 ms 35196 KB Output is correct
40 Correct 311 ms 34980 KB Output is correct
41 Correct 292 ms 35172 KB Output is correct
42 Correct 287 ms 35552 KB Output is correct
43 Correct 224 ms 33140 KB Output is correct
44 Correct 277 ms 35552 KB Output is correct
45 Correct 272 ms 35444 KB Output is correct
46 Correct 261 ms 35528 KB Output is correct
47 Correct 222 ms 34920 KB Output is correct
48 Correct 211 ms 35156 KB Output is correct
49 Correct 227 ms 35172 KB Output is correct
50 Correct 256 ms 35676 KB Output is correct
51 Correct 241 ms 35172 KB Output is correct
52 Correct 349 ms 39784 KB Output is correct
53 Correct 346 ms 39784 KB Output is correct
54 Correct 319 ms 35860 KB Output is correct
55 Correct 282 ms 36064 KB Output is correct
56 Correct 298 ms 39528 KB Output is correct
57 Correct 278 ms 35432 KB Output is correct
58 Correct 296 ms 36144 KB Output is correct
59 Correct 308 ms 39524 KB Output is correct
60 Correct 288 ms 35680 KB Output is correct
61 Correct 195 ms 39784 KB Output is correct
62 Correct 328 ms 39784 KB Output is correct
63 Correct 321 ms 39524 KB Output is correct
64 Correct 315 ms 35684 KB Output is correct
65 Correct 310 ms 35684 KB Output is correct
66 Correct 285 ms 35680 KB Output is correct
67 Correct 219 ms 35180 KB Output is correct

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 20 ms 27776 KB Output is correct
2 Correct 20 ms 27776 KB Output is correct
3 Correct 20 ms 27776 KB Output is correct
4 Correct 21 ms 27776 KB Output is correct
5 Correct 22 ms 27904 KB Output is correct
6 Correct 22 ms 27904 KB Output is correct
7 Correct 22 ms 27904 KB Output is correct
8 Correct 22 ms 27904 KB Output is correct
9 Correct 22 ms 27904 KB Output is correct
10 Correct 22 ms 27904 KB Output is correct
11 Correct 21 ms 27904 KB Output is correct
12 Correct 22 ms 27904 KB Output is correct
13 Correct 22 ms 27904 KB Output is correct
14 Correct 21 ms 27904 KB Output is correct
15 Correct 23 ms 28032 KB Output is correct
16 Correct 23 ms 27904 KB Output is correct
17 Correct 23 ms 27904 KB Output is correct
18 Correct 22 ms 27904 KB Output is correct
19 Correct 22 ms 27904 KB Output is correct
20 Correct 23 ms 27904 KB Output is correct
21 Correct 22 ms 27904 KB Output is correct
22 Correct 22 ms 27904 KB Output is correct
23 Correct 23 ms 27904 KB Output is correct
24 Correct 23 ms 27904 KB Output is correct
25 Correct 22 ms 27904 KB Output is correct
26 Correct 22 ms 27904 KB Output is correct
27 Correct 22 ms 27904 KB Output is correct
28 Correct 22 ms 27904 KB Output is correct
29 Correct 22 ms 27904 KB Output is correct
30 Correct 21 ms 27904 KB Output is correct
31 Correct 359 ms 36128 KB Output is correct
32 Correct 367 ms 32104 KB Output is correct
33 Correct 387 ms 35424 KB Output is correct
34 Correct 343 ms 35936 KB Output is correct
35 Correct 359 ms 35424 KB Output is correct
36 Correct 391 ms 35680 KB Output is correct
37 Correct 334 ms 35424 KB Output is correct
38 Correct 362 ms 35152 KB Output is correct
39 Correct 292 ms 35196 KB Output is correct
40 Correct 311 ms 34980 KB Output is correct
41 Correct 292 ms 35172 KB Output is correct
42 Correct 287 ms 35552 KB Output is correct
43 Correct 224 ms 33140 KB Output is correct
44 Correct 277 ms 35552 KB Output is correct
45 Correct 272 ms 35444 KB Output is correct
46 Correct 261 ms 35528 KB Output is correct
47 Correct 222 ms 34920 KB Output is correct
48 Correct 211 ms 35156 KB Output is correct
49 Correct 227 ms 35172 KB Output is correct
50 Correct 256 ms 35676 KB Output is correct
51 Correct 241 ms 35172 KB Output is correct
52 Correct 1086 ms 76848 KB Output is correct
53 Incorrect 1136 ms 76860 KB Output isn't correct
54 Halted 0 ms 0 KB -