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답안 #550519

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
550519 2022-04-18T10:41:17 Z fcmalkcin Team Contest (JOI22_team) C++17
100 / 100
 299 ms 26116 KB 
#include<bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll,ll>
#define ff first
#define ss second
#define endl "\n"
#define pb push_back
#define F(i,a,b) for(ll i=a;i<=b;i++)

const ll maxn=3e5+10 ;
const ll base=3e18;
const ll mod= 1e9+7 ;

mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

/// have medal in APIO
/// goal 2/8

ll n;
pair<ll,pll> a[maxn];
set<pll> st;
set<pll> st1;
ll mx=-1;
void add(ll x,ll y)
{
    auto it1=st.upper_bound(make_pair(x,-base));
    vector<pll> vt;
    while (it1!=st.end()&&(*it1).ss<y)
    {
        mx=max(mx,(*it1).ff);
        vt.pb(*it1);
        it1++;
    }
    for (auto p:vt) st.erase(p);
    vt.clear();

    auto it=st1.upper_bound(make_pair(x,-base));
    while (it!=st1.end()&&(*it).ss<=y)
    {
        vt.pb(*it);
        it++;
    }
    for (auto p:vt) st1.erase(p);
    it=st1.upper_bound(make_pair(x,base));
    if (it==st1.begin())
    {
        st1.insert(make_pair(x,y));
    }
    else
    {
        it--;
        if ((*it).ss<y) st1.insert(make_pair(x,y));
    }
}
/*
4
5 6 1
7 5 1
5 5 2
4 7 6
*/
int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    if (fopen("test.inp","r"))
    {
        freopen("test.inp","r",stdin);
        freopen("test.out","w",stdout);
    }
    cin>> n;
    for (int i=1; i<=n; i++)
    {
        cin>> a[i].ff>> a[i].ss.ff>>a[i].ss.ss;
    }
    sort(a+1,a+n+1);
    ll ans=-1;
    for (int i=1; i<=n; i++)
    {
        ll j=i;
        while (j<=n&&a[j].ff==a[i].ff)
            j++ ;
        j--;
        auto it=st1.upper_bound(make_pair(mx,base));
        if (it!=st1.begin())
        {
            it--;
            ll vals=(*it).ss;
            for (int t=i;t<=j;t++)
            {
                if (a[t].ss.ff<mx&&a[t].ss.ss<vals)
                {
                    ans=max(ans,mx+vals+a[t].ff);
                }
            }
        }
       /* if (i==4)
        {
            for (auto p:st) cout <<p.ff<<" "<<p.ss<<" chk1"<<endl;
            for (auto p:st1) cout <<p.ff<<" "<<p.ss<<" chk2"<<endl;
            cout <<mx<<endl;
        }*/
        for (int t=i;t<=j;t++)
        {
            ll x=a[t].ss.ff;
            ll y=a[t].ss.ss;
            add(x+1,y);
            auto it=st1.upper_bound(make_pair(x,base));
            bool chk=false;
            if (it!=st1.begin())
            {
                it--;
                if ((*it).ss>y)
                {
                    chk=true;
                    mx=max(mx,x);
                }
            }
            if (!chk)
            {
                auto it=st.upper_bound(make_pair(x,-base));
                if (it!=st.end()&&(*it).ss<=y)
                {

                }
                else
                {
                    it=st.upper_bound(make_pair(x,base));
                    vector<pll> vt;
                    if (it!=st.begin())
                    {
                        it--;
                        while (1)
                        {
                            if ((*it).ss>=y)
                            {
                                vt.pb(*it);
                                if (it==st.begin()) break;
                                else it--;
                            }
                            else break;

                        }
                    }
                    for (auto p:vt) st.erase(p);
                    st.insert(make_pair(x,y));
                }
            }
        }
        i=j;
    }
    cout <<ans<<endl;
}

Compilation message

team.cpp: In function 'int main()':
team.cpp:71:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   71 |         freopen("test.inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
team.cpp:72:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |         freopen("test.out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 328 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 332 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 332 KB Output is correct

Subtask #2
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 328 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 332 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 332 KB Output is correct
26 Correct 2 ms 440 KB Output is correct
27 Correct 2 ms 464 KB Output is correct
28 Correct 3 ms 476 KB Output is correct
29 Correct 4 ms 444 KB Output is correct
30 Correct 2 ms 336 KB Output is correct
31 Correct 2 ms 364 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 5 ms 980 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 2 ms 528 KB Output is correct
38 Correct 3 ms 468 KB Output is correct
39 Correct 1 ms 328 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 36 ms 4328 KB Output is correct
12 Correct 25 ms 3036 KB Output is correct
13 Correct 31 ms 3912 KB Output is correct
14 Correct 40 ms 4604 KB Output is correct
15 Correct 36 ms 4276 KB Output is correct
16 Correct 39 ms 4440 KB Output is correct

Subtask #4
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 36 ms 4328 KB Output is correct
12 Correct 25 ms 3036 KB Output is correct
13 Correct 31 ms 3912 KB Output is correct
14 Correct 40 ms 4604 KB Output is correct
15 Correct 36 ms 4276 KB Output is correct
16 Correct 39 ms 4440 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 48 ms 4584 KB Output is correct
23 Correct 42 ms 4556 KB Output is correct
24 Correct 32 ms 3412 KB Output is correct
25 Correct 44 ms 4820 KB Output is correct
26 Correct 37 ms 4672 KB Output is correct

Subtask #5
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 36 ms 4328 KB Output is correct
12 Correct 25 ms 3036 KB Output is correct
13 Correct 31 ms 3912 KB Output is correct
14 Correct 40 ms 4604 KB Output is correct
15 Correct 36 ms 4276 KB Output is correct
16 Correct 39 ms 4440 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 48 ms 4584 KB Output is correct
23 Correct 42 ms 4556 KB Output is correct
24 Correct 32 ms 3412 KB Output is correct
25 Correct 44 ms 4820 KB Output is correct
26 Correct 37 ms 4672 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 2 ms 460 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 49 ms 4944 KB Output is correct
35 Correct 51 ms 4316 KB Output is correct
36 Correct 55 ms 4884 KB Output is correct
37 Correct 60 ms 5464 KB Output is correct
38 Correct 42 ms 4864 KB Output is correct
39 Correct 23 ms 3048 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 36 ms 4328 KB Output is correct
12 Correct 25 ms 3036 KB Output is correct
13 Correct 31 ms 3912 KB Output is correct
14 Correct 40 ms 4604 KB Output is correct
15 Correct 36 ms 4276 KB Output is correct
16 Correct 39 ms 4440 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 48 ms 4584 KB Output is correct
23 Correct 42 ms 4556 KB Output is correct
24 Correct 32 ms 3412 KB Output is correct
25 Correct 44 ms 4820 KB Output is correct
26 Correct 37 ms 4672 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 2 ms 460 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 49 ms 4944 KB Output is correct
35 Correct 51 ms 4316 KB Output is correct
36 Correct 55 ms 4884 KB Output is correct
37 Correct 60 ms 5464 KB Output is correct
38 Correct 42 ms 4864 KB Output is correct
39 Correct 23 ms 3048 KB Output is correct
40 Correct 2 ms 468 KB Output is correct
41 Correct 2 ms 396 KB Output is correct
42 Correct 3 ms 468 KB Output is correct
43 Correct 3 ms 468 KB Output is correct
44 Correct 56 ms 5844 KB Output is correct
45 Correct 76 ms 5880 KB Output is correct
46 Correct 78 ms 5468 KB Output is correct
47 Correct 79 ms 6060 KB Output is correct
48 Correct 49 ms 5708 KB Output is correct

Subtask #7
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 328 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 332 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 332 KB Output is correct
26 Correct 2 ms 440 KB Output is correct
27 Correct 2 ms 464 KB Output is correct
28 Correct 3 ms 476 KB Output is correct
29 Correct 4 ms 444 KB Output is correct
30 Correct 2 ms 336 KB Output is correct
31 Correct 2 ms 364 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 5 ms 980 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 2 ms 528 KB Output is correct
38 Correct 3 ms 468 KB Output is correct
39 Correct 1 ms 328 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 36 ms 4328 KB Output is correct
51 Correct 25 ms 3036 KB Output is correct
52 Correct 31 ms 3912 KB Output is correct
53 Correct 40 ms 4604 KB Output is correct
54 Correct 36 ms 4276 KB Output is correct
55 Correct 39 ms 4440 KB Output is correct
56 Correct 0 ms 212 KB Output is correct
57 Correct 1 ms 328 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 48 ms 4584 KB Output is correct
62 Correct 42 ms 4556 KB Output is correct
63 Correct 32 ms 3412 KB Output is correct
64 Correct 44 ms 4820 KB Output is correct
65 Correct 37 ms 4672 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 2 ms 460 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 1 ms 340 KB Output is correct
73 Correct 49 ms 4944 KB Output is correct
74 Correct 51 ms 4316 KB Output is correct
75 Correct 55 ms 4884 KB Output is correct
76 Correct 60 ms 5464 KB Output is correct
77 Correct 42 ms 4864 KB Output is correct
78 Correct 23 ms 3048 KB Output is correct
79 Correct 2 ms 468 KB Output is correct
80 Correct 2 ms 396 KB Output is correct
81 Correct 3 ms 468 KB Output is correct
82 Correct 3 ms 468 KB Output is correct
83 Correct 56 ms 5844 KB Output is correct
84 Correct 76 ms 5880 KB Output is correct
85 Correct 78 ms 5468 KB Output is correct
86 Correct 79 ms 6060 KB Output is correct
87 Correct 49 ms 5708 KB Output is correct
88 Correct 63 ms 6348 KB Output is correct
89 Correct 114 ms 7520 KB Output is correct
90 Correct 72 ms 7876 KB Output is correct
91 Correct 143 ms 6772 KB Output is correct
92 Correct 78 ms 5956 KB Output is correct
93 Correct 124 ms 8748 KB Output is correct
94 Correct 124 ms 8180 KB Output is correct
95 Correct 62 ms 7548 KB Output is correct
96 Correct 299 ms 26116 KB Output is correct
97 Correct 58 ms 6396 KB Output is correct
98 Correct 159 ms 9416 KB Output is correct
99 Correct 176 ms 9408 KB Output is correct