oj.uz

Submission #781951

# Submission time Handle Problem Language Result Execution time Memory
781951 2023-07-13T14:06:20 Z Dymo Team Contest (JOI22_team) C++14
100 / 100
 107 ms 17100 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)
{

    vector<pll> vt;
    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);
                }
            }
        }
        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);
                }
            }
        }
        i=j;
    }
    cout <<ans<<endl;
}

Compilation message

team.cpp: In function 'int main()':
team.cpp:99:18: warning: variable 'chk' set but not used [-Wunused-but-set-variable]
   99 |             bool chk=false;
      |                  ^~~
team.cpp:64:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   64 |         freopen("test.inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
team.cpp:65:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |         freopen("test.out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 336 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 344 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 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 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 340 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 336 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 344 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 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 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 340 KB Output is correct
26 Correct 2 ms 468 KB Output is correct
27 Correct 2 ms 444 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 3 ms 476 KB Output is correct
30 Correct 2 ms 380 KB Output is correct
31 Correct 2 ms 404 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 2 ms 712 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 2 ms 468 KB Output is correct
38 Correct 2 ms 476 KB Output is correct
39 Correct 1 ms 340 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 30 ms 4704 KB Output is correct
12 Correct 21 ms 3156 KB Output is correct
13 Correct 23 ms 3916 KB Output is correct
14 Correct 31 ms 4696 KB Output is correct
15 Correct 28 ms 4684 KB Output is correct
16 Correct 30 ms 4684 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 30 ms 4704 KB Output is correct
12 Correct 21 ms 3156 KB Output is correct
13 Correct 23 ms 3916 KB Output is correct
14 Correct 31 ms 4696 KB Output is correct
15 Correct 28 ms 4684 KB Output is correct
16 Correct 30 ms 4684 KB Output is correct
17 Correct 1 ms 332 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 40 ms 5012 KB Output is correct
23 Correct 33 ms 4568 KB Output is correct
24 Correct 26 ms 3568 KB Output is correct
25 Correct 36 ms 4984 KB Output is correct
26 Correct 29 ms 4804 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 30 ms 4704 KB Output is correct
12 Correct 21 ms 3156 KB Output is correct
13 Correct 23 ms 3916 KB Output is correct
14 Correct 31 ms 4696 KB Output is correct
15 Correct 28 ms 4684 KB Output is correct
16 Correct 30 ms 4684 KB Output is correct
17 Correct 1 ms 332 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 40 ms 5012 KB Output is correct
23 Correct 33 ms 4568 KB Output is correct
24 Correct 26 ms 3568 KB Output is correct
25 Correct 36 ms 4984 KB Output is correct
26 Correct 29 ms 4804 KB Output is correct
27 Correct 1 ms 336 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 468 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 38 ms 5168 KB Output is correct
35 Correct 40 ms 4828 KB Output is correct
36 Correct 46 ms 5360 KB Output is correct
37 Correct 46 ms 5452 KB Output is correct
38 Correct 33 ms 5300 KB Output is correct
39 Correct 17 ms 3420 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 328 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 30 ms 4704 KB Output is correct
12 Correct 21 ms 3156 KB Output is correct
13 Correct 23 ms 3916 KB Output is correct
14 Correct 31 ms 4696 KB Output is correct
15 Correct 28 ms 4684 KB Output is correct
16 Correct 30 ms 4684 KB Output is correct
17 Correct 1 ms 332 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 40 ms 5012 KB Output is correct
23 Correct 33 ms 4568 KB Output is correct
24 Correct 26 ms 3568 KB Output is correct
25 Correct 36 ms 4984 KB Output is correct
26 Correct 29 ms 4804 KB Output is correct
27 Correct 1 ms 336 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 468 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 38 ms 5168 KB Output is correct
35 Correct 40 ms 4828 KB Output is correct
36 Correct 46 ms 5360 KB Output is correct
37 Correct 46 ms 5452 KB Output is correct
38 Correct 33 ms 5300 KB Output is correct
39 Correct 17 ms 3420 KB Output is correct
40 Correct 2 ms 340 KB Output is correct
41 Correct 2 ms 468 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 2 ms 484 KB Output is correct
44 Correct 41 ms 5796 KB Output is correct
45 Correct 55 ms 5920 KB Output is correct
46 Correct 53 ms 5904 KB Output is correct
47 Correct 57 ms 5980 KB Output is correct
48 Correct 38 ms 5856 KB Output is correct

Subtask #7
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 336 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 344 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 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 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 340 KB Output is correct
26 Correct 2 ms 468 KB Output is correct
27 Correct 2 ms 444 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 3 ms 476 KB Output is correct
30 Correct 2 ms 380 KB Output is correct
31 Correct 2 ms 404 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 2 ms 468 KB Output is correct
34 Correct 2 ms 712 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 2 ms 468 KB Output is correct
38 Correct 2 ms 476 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 0 ms 332 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 328 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 30 ms 4704 KB Output is correct
51 Correct 21 ms 3156 KB Output is correct
52 Correct 23 ms 3916 KB Output is correct
53 Correct 31 ms 4696 KB Output is correct
54 Correct 28 ms 4684 KB Output is correct
55 Correct 30 ms 4684 KB Output is correct
56 Correct 1 ms 332 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 40 ms 5012 KB Output is correct
62 Correct 33 ms 4568 KB Output is correct
63 Correct 26 ms 3568 KB Output is correct
64 Correct 36 ms 4984 KB Output is correct
65 Correct 29 ms 4804 KB Output is correct
66 Correct 1 ms 336 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 468 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 1 ms 340 KB Output is correct
73 Correct 38 ms 5168 KB Output is correct
74 Correct 40 ms 4828 KB Output is correct
75 Correct 46 ms 5360 KB Output is correct
76 Correct 46 ms 5452 KB Output is correct
77 Correct 33 ms 5300 KB Output is correct
78 Correct 17 ms 3420 KB Output is correct
79 Correct 2 ms 340 KB Output is correct
80 Correct 2 ms 468 KB Output is correct
81 Correct 2 ms 468 KB Output is correct
82 Correct 2 ms 484 KB Output is correct
83 Correct 41 ms 5796 KB Output is correct
84 Correct 55 ms 5920 KB Output is correct
85 Correct 53 ms 5904 KB Output is correct
86 Correct 57 ms 5980 KB Output is correct
87 Correct 38 ms 5856 KB Output is correct
88 Correct 49 ms 7756 KB Output is correct
89 Correct 73 ms 8548 KB Output is correct
90 Correct 57 ms 7884 KB Output is correct
91 Correct 86 ms 8380 KB Output is correct
92 Correct 56 ms 6552 KB Output is correct
93 Correct 85 ms 7608 KB Output is correct
94 Correct 79 ms 7244 KB Output is correct
95 Correct 47 ms 7608 KB Output is correct
96 Correct 107 ms 17100 KB Output is correct
97 Correct 45 ms 7744 KB Output is correct
98 Correct 76 ms 7944 KB Output is correct
99 Correct 90 ms 7940 KB Output is correct