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답안 #233103

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
233103 2020-05-19T11:01:36 Z nvmdava 새 집 (APIO18_new_home) C++17
47 / 100
 1114 ms 127936 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];
multiset<pair<int, int> > in;
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();
        in.insert({INF, 1});
        in.insert({-INF, 1});
        for(auto& x : sh[i]){
            if(x.ss > 0){
                auto r = in.insert({x.ss, -x.ff});
                auto l = r++;
                auto it = l--;
                lol.push_back({{(r -> ff + l -> ff) / 2, r -> ff}, {-r -> ss, x.ff - 1}});
                in.insert({r -> ff, -x.ff});
                in.erase(r);
            } else {
                auto r = in.lower_bound({-x.ss, -1000000});
                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.insert({r -> ff, -x.ff});
                in.erase(it);
                in.erase(r);
            }
        }
        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:49:22: 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 27776 KB Output is correct
2 Correct 21 ms 27776 KB Output is correct
3 Correct 21 ms 27776 KB Output is correct
4 Correct 22 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 23 ms 27904 KB Output is correct
8 Correct 23 ms 27904 KB Output is correct
9 Correct 23 ms 27904 KB Output is correct
10 Correct 24 ms 27904 KB Output is correct
11 Correct 23 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 23 ms 27904 KB Output is correct
15 Correct 23 ms 27904 KB Output is correct
16 Correct 22 ms 28032 KB Output is correct
17 Correct 22 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 22 ms 27904 KB Output is correct
21 Correct 22 ms 28032 KB Output is correct
22 Correct 22 ms 27904 KB Output is correct
23 Correct 22 ms 27904 KB Output is correct
24 Correct 22 ms 28032 KB Output is correct
25 Correct 23 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 23 ms 27904 KB Output is correct
29 Correct 22 ms 27904 KB Output is correct
30 Correct 24 ms 27904 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 27776 KB Output is correct
2 Correct 21 ms 27776 KB Output is correct
3 Correct 21 ms 27776 KB Output is correct
4 Correct 22 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 23 ms 27904 KB Output is correct
8 Correct 23 ms 27904 KB Output is correct
9 Correct 23 ms 27904 KB Output is correct
10 Correct 24 ms 27904 KB Output is correct
11 Correct 23 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 23 ms 27904 KB Output is correct
15 Correct 23 ms 27904 KB Output is correct
16 Correct 22 ms 28032 KB Output is correct
17 Correct 22 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 22 ms 27904 KB Output is correct
21 Correct 22 ms 28032 KB Output is correct
22 Correct 22 ms 27904 KB Output is correct
23 Correct 22 ms 27904 KB Output is correct
24 Correct 22 ms 28032 KB Output is correct
25 Correct 23 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 23 ms 27904 KB Output is correct
29 Correct 22 ms 27904 KB Output is correct
30 Correct 24 ms 27904 KB Output is correct
31 Correct 350 ms 36116 KB Output is correct
32 Correct 202 ms 35036 KB Output is correct
33 Correct 370 ms 35640 KB Output is correct
34 Correct 340 ms 36064 KB Output is correct
35 Correct 358 ms 35528 KB Output is correct
36 Correct 372 ms 35556 KB Output is correct
37 Correct 324 ms 35424 KB Output is correct
38 Correct 345 ms 35288 KB Output is correct
39 Correct 292 ms 35200 KB Output is correct
40 Correct 301 ms 35104 KB Output is correct
41 Correct 298 ms 35428 KB Output is correct
42 Correct 295 ms 35560 KB Output is correct
43 Correct 159 ms 36072 KB Output is correct
44 Correct 289 ms 35712 KB Output is correct
45 Correct 283 ms 35572 KB Output is correct
46 Correct 265 ms 35552 KB Output is correct
47 Correct 224 ms 35044 KB Output is correct
48 Correct 222 ms 35032 KB Output is correct
49 Correct 249 ms 35300 KB Output is correct
50 Correct 270 ms 35808 KB Output is correct
51 Correct 244 ms 35428 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1111 ms 76992 KB Output is correct
2 Incorrect 1114 ms 89284 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 980 ms 127936 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 27776 KB Output is correct
2 Correct 21 ms 27776 KB Output is correct
3 Correct 21 ms 27776 KB Output is correct
4 Correct 22 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 23 ms 27904 KB Output is correct
8 Correct 23 ms 27904 KB Output is correct
9 Correct 23 ms 27904 KB Output is correct
10 Correct 24 ms 27904 KB Output is correct
11 Correct 23 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 23 ms 27904 KB Output is correct
15 Correct 23 ms 27904 KB Output is correct
16 Correct 22 ms 28032 KB Output is correct
17 Correct 22 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 22 ms 27904 KB Output is correct
21 Correct 22 ms 28032 KB Output is correct
22 Correct 22 ms 27904 KB Output is correct
23 Correct 22 ms 27904 KB Output is correct
24 Correct 22 ms 28032 KB Output is correct
25 Correct 23 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 23 ms 27904 KB Output is correct
29 Correct 22 ms 27904 KB Output is correct
30 Correct 24 ms 27904 KB Output is correct
31 Correct 350 ms 36116 KB Output is correct
32 Correct 202 ms 35036 KB Output is correct
33 Correct 370 ms 35640 KB Output is correct
34 Correct 340 ms 36064 KB Output is correct
35 Correct 358 ms 35528 KB Output is correct
36 Correct 372 ms 35556 KB Output is correct
37 Correct 324 ms 35424 KB Output is correct
38 Correct 345 ms 35288 KB Output is correct
39 Correct 292 ms 35200 KB Output is correct
40 Correct 301 ms 35104 KB Output is correct
41 Correct 298 ms 35428 KB Output is correct
42 Correct 295 ms 35560 KB Output is correct
43 Correct 159 ms 36072 KB Output is correct
44 Correct 289 ms 35712 KB Output is correct
45 Correct 283 ms 35572 KB Output is correct
46 Correct 265 ms 35552 KB Output is correct
47 Correct 224 ms 35044 KB Output is correct
48 Correct 222 ms 35032 KB Output is correct
49 Correct 249 ms 35300 KB Output is correct
50 Correct 270 ms 35808 KB Output is correct
51 Correct 244 ms 35428 KB Output is correct
52 Correct 352 ms 40040 KB Output is correct
53 Correct 350 ms 39976 KB Output is correct
54 Correct 332 ms 36064 KB Output is correct
55 Correct 300 ms 36192 KB Output is correct
56 Correct 304 ms 39656 KB Output is correct
57 Correct 299 ms 35560 KB Output is correct
58 Correct 321 ms 36192 KB Output is correct
59 Correct 314 ms 39648 KB Output is correct
60 Correct 297 ms 35936 KB Output is correct
61 Correct 188 ms 39912 KB Output is correct
62 Correct 340 ms 39912 KB Output is correct
63 Correct 335 ms 39780 KB Output is correct
64 Correct 316 ms 35812 KB Output is correct
65 Correct 311 ms 35808 KB Output is correct
66 Correct 291 ms 35808 KB Output is correct
67 Correct 221 ms 35432 KB Output is correct

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 27776 KB Output is correct
2 Correct 21 ms 27776 KB Output is correct
3 Correct 21 ms 27776 KB Output is correct
4 Correct 22 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 23 ms 27904 KB Output is correct
8 Correct 23 ms 27904 KB Output is correct
9 Correct 23 ms 27904 KB Output is correct
10 Correct 24 ms 27904 KB Output is correct
11 Correct 23 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 23 ms 27904 KB Output is correct
15 Correct 23 ms 27904 KB Output is correct
16 Correct 22 ms 28032 KB Output is correct
17 Correct 22 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 22 ms 27904 KB Output is correct
21 Correct 22 ms 28032 KB Output is correct
22 Correct 22 ms 27904 KB Output is correct
23 Correct 22 ms 27904 KB Output is correct
24 Correct 22 ms 28032 KB Output is correct
25 Correct 23 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 23 ms 27904 KB Output is correct
29 Correct 22 ms 27904 KB Output is correct
30 Correct 24 ms 27904 KB Output is correct
31 Correct 350 ms 36116 KB Output is correct
32 Correct 202 ms 35036 KB Output is correct
33 Correct 370 ms 35640 KB Output is correct
34 Correct 340 ms 36064 KB Output is correct
35 Correct 358 ms 35528 KB Output is correct
36 Correct 372 ms 35556 KB Output is correct
37 Correct 324 ms 35424 KB Output is correct
38 Correct 345 ms 35288 KB Output is correct
39 Correct 292 ms 35200 KB Output is correct
40 Correct 301 ms 35104 KB Output is correct
41 Correct 298 ms 35428 KB Output is correct
42 Correct 295 ms 35560 KB Output is correct
43 Correct 159 ms 36072 KB Output is correct
44 Correct 289 ms 35712 KB Output is correct
45 Correct 283 ms 35572 KB Output is correct
46 Correct 265 ms 35552 KB Output is correct
47 Correct 224 ms 35044 KB Output is correct
48 Correct 222 ms 35032 KB Output is correct
49 Correct 249 ms 35300 KB Output is correct
50 Correct 270 ms 35808 KB Output is correct
51 Correct 244 ms 35428 KB Output is correct
52 Correct 1111 ms 76992 KB Output is correct
53 Incorrect 1114 ms 89284 KB Output isn't correct
54 Halted 0 ms 0 KB -