oj.uz

답안 #233112

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
233112 2020-05-19T11:29:14 Z nvmdava 새 집 (APIO18_new_home) C++17
47 / 100
 967 ms 118204 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];
int hel;
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--;
                if(r -> ss < x.ff && r -> ff > 0)
                    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--;
                if(it -> ss < x.ff && it -> ff > 0)
                    lol.push_back({{(it -> ff + l -> ff) / 2, it -> ff}, {it -> ss, x.ff - 1}});
                if(r -> ss < x.ff && r -> ff > 0)
                    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, hel}});
    }
    for(int i = 1; i <= q; ++i)
        lol.push_back({{l[i], 1'200'000'000}, {i, y[i]}});
    
    sort(lol.begin(), lol.end());
    for(auto& x : lol){
        if(x.ff.ss != 1'200'000'000)
            update(1, 1, hel, x.ss.ff, x.ss.ss, x.ff.ss);
        else
            ans[x.ss.ff] = max(ans[x.ss.ff], query(1, 1, hel, 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());
    hel = tmp.size();
    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 21 ms 27904 KB Output is correct
2 Correct 20 ms 27776 KB Output is correct
3 Correct 20 ms 27776 KB Output is correct
4 Correct 20 ms 27776 KB Output is correct
5 Correct 22 ms 27776 KB Output is correct
6 Correct 23 ms 27904 KB Output is correct
7 Correct 23 ms 27904 KB Output is correct
8 Correct 22 ms 27904 KB Output is correct
9 Correct 21 ms 27904 KB Output is correct
10 Correct 22 ms 27904 KB Output is correct
11 Correct 22 ms 27904 KB Output is correct
12 Correct 21 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 21 ms 27904 KB Output is correct
16 Correct 21 ms 27904 KB Output is correct
17 Correct 21 ms 27904 KB Output is correct
18 Correct 24 ms 27904 KB Output is correct
19 Correct 24 ms 27900 KB Output is correct
20 Correct 22 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 22 ms 27904 KB Output is correct
24 Correct 21 ms 27904 KB Output is correct
25 Correct 22 ms 27904 KB Output is correct
26 Correct 23 ms 27904 KB Output is correct
27 Correct 21 ms 27904 KB Output is correct
28 Correct 21 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 21 ms 27904 KB Output is correct
2 Correct 20 ms 27776 KB Output is correct
3 Correct 20 ms 27776 KB Output is correct
4 Correct 20 ms 27776 KB Output is correct
5 Correct 22 ms 27776 KB Output is correct
6 Correct 23 ms 27904 KB Output is correct
7 Correct 23 ms 27904 KB Output is correct
8 Correct 22 ms 27904 KB Output is correct
9 Correct 21 ms 27904 KB Output is correct
10 Correct 22 ms 27904 KB Output is correct
11 Correct 22 ms 27904 KB Output is correct
12 Correct 21 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 21 ms 27904 KB Output is correct
16 Correct 21 ms 27904 KB Output is correct
17 Correct 21 ms 27904 KB Output is correct
18 Correct 24 ms 27904 KB Output is correct
19 Correct 24 ms 27900 KB Output is correct
20 Correct 22 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 22 ms 27904 KB Output is correct
24 Correct 21 ms 27904 KB Output is correct
25 Correct 22 ms 27904 KB Output is correct
26 Correct 23 ms 27904 KB Output is correct
27 Correct 21 ms 27904 KB Output is correct
28 Correct 21 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 352 ms 35816 KB Output is correct
32 Correct 357 ms 31880 KB Output is correct
33 Correct 384 ms 35296 KB Output is correct
34 Correct 338 ms 35936 KB Output is correct
35 Correct 357 ms 35296 KB Output is correct
36 Correct 398 ms 35552 KB Output is correct
37 Correct 332 ms 35168 KB Output is correct
38 Correct 360 ms 35036 KB Output is correct
39 Correct 296 ms 35068 KB Output is correct
40 Correct 310 ms 34852 KB Output is correct
41 Correct 277 ms 35044 KB Output is correct
42 Correct 281 ms 35424 KB Output is correct
43 Correct 204 ms 32880 KB Output is correct
44 Correct 281 ms 35424 KB Output is correct
45 Correct 269 ms 35320 KB Output is correct
46 Correct 252 ms 35104 KB Output is correct
47 Correct 213 ms 34792 KB Output is correct
48 Correct 204 ms 34652 KB Output is correct
49 Correct 235 ms 34912 KB Output is correct
50 Correct 256 ms 35688 KB Output is correct
51 Correct 233 ms 34920 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 885 ms 60516 KB Output is correct
2 Incorrect 948 ms 61632 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 967 ms 118204 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 21 ms 27904 KB Output is correct
2 Correct 20 ms 27776 KB Output is correct
3 Correct 20 ms 27776 KB Output is correct
4 Correct 20 ms 27776 KB Output is correct
5 Correct 22 ms 27776 KB Output is correct
6 Correct 23 ms 27904 KB Output is correct
7 Correct 23 ms 27904 KB Output is correct
8 Correct 22 ms 27904 KB Output is correct
9 Correct 21 ms 27904 KB Output is correct
10 Correct 22 ms 27904 KB Output is correct
11 Correct 22 ms 27904 KB Output is correct
12 Correct 21 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 21 ms 27904 KB Output is correct
16 Correct 21 ms 27904 KB Output is correct
17 Correct 21 ms 27904 KB Output is correct
18 Correct 24 ms 27904 KB Output is correct
19 Correct 24 ms 27900 KB Output is correct
20 Correct 22 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 22 ms 27904 KB Output is correct
24 Correct 21 ms 27904 KB Output is correct
25 Correct 22 ms 27904 KB Output is correct
26 Correct 23 ms 27904 KB Output is correct
27 Correct 21 ms 27904 KB Output is correct
28 Correct 21 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 352 ms 35816 KB Output is correct
32 Correct 357 ms 31880 KB Output is correct
33 Correct 384 ms 35296 KB Output is correct
34 Correct 338 ms 35936 KB Output is correct
35 Correct 357 ms 35296 KB Output is correct
36 Correct 398 ms 35552 KB Output is correct
37 Correct 332 ms 35168 KB Output is correct
38 Correct 360 ms 35036 KB Output is correct
39 Correct 296 ms 35068 KB Output is correct
40 Correct 310 ms 34852 KB Output is correct
41 Correct 277 ms 35044 KB Output is correct
42 Correct 281 ms 35424 KB Output is correct
43 Correct 204 ms 32880 KB Output is correct
44 Correct 281 ms 35424 KB Output is correct
45 Correct 269 ms 35320 KB Output is correct
46 Correct 252 ms 35104 KB Output is correct
47 Correct 213 ms 34792 KB Output is correct
48 Correct 204 ms 34652 KB Output is correct
49 Correct 235 ms 34912 KB Output is correct
50 Correct 256 ms 35688 KB Output is correct
51 Correct 233 ms 34920 KB Output is correct
52 Correct 327 ms 39780 KB Output is correct
53 Correct 320 ms 39656 KB Output is correct
54 Correct 315 ms 35680 KB Output is correct
55 Correct 287 ms 35812 KB Output is correct
56 Correct 286 ms 39528 KB Output is correct
57 Correct 282 ms 35304 KB Output is correct
58 Correct 303 ms 35936 KB Output is correct
59 Correct 298 ms 39396 KB Output is correct
60 Correct 288 ms 35680 KB Output is correct
61 Correct 138 ms 35944 KB Output is correct
62 Correct 314 ms 39660 KB Output is correct
63 Correct 317 ms 39308 KB Output is correct
64 Correct 315 ms 35556 KB Output is correct
65 Correct 308 ms 35552 KB Output is correct
66 Correct 282 ms 35680 KB Output is correct
67 Correct 181 ms 35056 KB Output is correct

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 27904 KB Output is correct
2 Correct 20 ms 27776 KB Output is correct
3 Correct 20 ms 27776 KB Output is correct
4 Correct 20 ms 27776 KB Output is correct
5 Correct 22 ms 27776 KB Output is correct
6 Correct 23 ms 27904 KB Output is correct
7 Correct 23 ms 27904 KB Output is correct
8 Correct 22 ms 27904 KB Output is correct
9 Correct 21 ms 27904 KB Output is correct
10 Correct 22 ms 27904 KB Output is correct
11 Correct 22 ms 27904 KB Output is correct
12 Correct 21 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 21 ms 27904 KB Output is correct
16 Correct 21 ms 27904 KB Output is correct
17 Correct 21 ms 27904 KB Output is correct
18 Correct 24 ms 27904 KB Output is correct
19 Correct 24 ms 27900 KB Output is correct
20 Correct 22 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 22 ms 27904 KB Output is correct
24 Correct 21 ms 27904 KB Output is correct
25 Correct 22 ms 27904 KB Output is correct
26 Correct 23 ms 27904 KB Output is correct
27 Correct 21 ms 27904 KB Output is correct
28 Correct 21 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 352 ms 35816 KB Output is correct
32 Correct 357 ms 31880 KB Output is correct
33 Correct 384 ms 35296 KB Output is correct
34 Correct 338 ms 35936 KB Output is correct
35 Correct 357 ms 35296 KB Output is correct
36 Correct 398 ms 35552 KB Output is correct
37 Correct 332 ms 35168 KB Output is correct
38 Correct 360 ms 35036 KB Output is correct
39 Correct 296 ms 35068 KB Output is correct
40 Correct 310 ms 34852 KB Output is correct
41 Correct 277 ms 35044 KB Output is correct
42 Correct 281 ms 35424 KB Output is correct
43 Correct 204 ms 32880 KB Output is correct
44 Correct 281 ms 35424 KB Output is correct
45 Correct 269 ms 35320 KB Output is correct
46 Correct 252 ms 35104 KB Output is correct
47 Correct 213 ms 34792 KB Output is correct
48 Correct 204 ms 34652 KB Output is correct
49 Correct 235 ms 34912 KB Output is correct
50 Correct 256 ms 35688 KB Output is correct
51 Correct 233 ms 34920 KB Output is correct
52 Correct 885 ms 60516 KB Output is correct
53 Incorrect 948 ms 61632 KB Output isn't correct
54 Halted 0 ms 0 KB -