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Submission #129393

# Submission time Handle Problem Language Result Execution time Memory
129393 2019-07-12T07:47:22 Z souhhcong Exhibition (JOI19_ho_t2) C++14
100 / 100
 248 ms 1680 KB 
#include <iostream>
#include <algorithm>
using namespace std;

#define st first
#define nd second
const int N = 1e5+5;
int n, m;
pair<int,int> pic[N];
int frame[N];

bool check(int val)
{
    int pos = val;
    for (int i = 0; i < n; i++)
    {
        if (pic[i].nd <= frame[pos])
        {
            pos++;
        }
    }
    //cout << pos << endl;
    if (pos == m)
        return 1;
    return 0;
}

int main()
{
    cin >> n >> m;
    for (int i = 0; i < n; i++)
    {
        cin >> pic[i].nd >> pic[i].st;
    }
    for (int i = 0; i < m; i++)
    {
        cin >> frame[i];
    }
    sort(pic,pic+n);
    sort(frame,frame+m);
    int l = 0, r = m, mid, ans = 0;
    while(l != r)
    {
        mid = (l+r)/2;
        //cout << l << ' ' << mid << ' ' << r << endl;
        if (check(m-mid))
        {
            ans = max(ans,mid);
            l = mid+1;
        }
        else
            r = mid;
        if (l == r)
        {
            if (check(m-l))
                ans = max(ans,l);
        }
    }
    cout << ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 248 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 380 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 248 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 380 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 4 ms 380 KB Output is correct
21 Correct 4 ms 376 KB Output is correct
22 Correct 4 ms 376 KB Output is correct
23 Correct 4 ms 376 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 4 ms 376 KB Output is correct
26 Correct 4 ms 380 KB Output is correct
27 Correct 4 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 4 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 4 ms 376 KB Output is correct
33 Correct 3 ms 376 KB Output is correct
34 Correct 4 ms 376 KB Output is correct
35 Correct 3 ms 376 KB Output is correct
36 Correct 4 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 248 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 504 KB Output is correct
16 Correct 2 ms 380 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 4 ms 380 KB Output is correct
21 Correct 4 ms 376 KB Output is correct
22 Correct 4 ms 376 KB Output is correct
23 Correct 4 ms 376 KB Output is correct
24 Correct 4 ms 376 KB Output is correct
25 Correct 4 ms 376 KB Output is correct
26 Correct 4 ms 380 KB Output is correct
27 Correct 4 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 4 ms 376 KB Output is correct
30 Correct 4 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 4 ms 376 KB Output is correct
33 Correct 3 ms 376 KB Output is correct
34 Correct 4 ms 376 KB Output is correct
35 Correct 3 ms 376 KB Output is correct
36 Correct 4 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 240 ms 1504 KB Output is correct
39 Correct 238 ms 1448 KB Output is correct
40 Correct 232 ms 1652 KB Output is correct
41 Correct 238 ms 1456 KB Output is correct
42 Correct 237 ms 1656 KB Output is correct
43 Correct 238 ms 1532 KB Output is correct
44 Correct 238 ms 1528 KB Output is correct
45 Correct 236 ms 1616 KB Output is correct
46 Correct 237 ms 1524 KB Output is correct
47 Correct 215 ms 1528 KB Output is correct
48 Correct 213 ms 1528 KB Output is correct
49 Correct 189 ms 1272 KB Output is correct
50 Correct 187 ms 1276 KB Output is correct
51 Correct 238 ms 1536 KB Output is correct
52 Correct 238 ms 1488 KB Output is correct
53 Correct 235 ms 1528 KB Output is correct
54 Correct 248 ms 1532 KB Output is correct
55 Correct 239 ms 1656 KB Output is correct
56 Correct 156 ms 1120 KB Output is correct
57 Correct 82 ms 740 KB Output is correct
58 Correct 160 ms 1040 KB Output is correct
59 Correct 154 ms 1144 KB Output is correct
60 Correct 83 ms 804 KB Output is correct
61 Correct 139 ms 988 KB Output is correct
62 Correct 246 ms 1528 KB Output is correct
63 Correct 245 ms 1528 KB Output is correct
64 Correct 244 ms 1680 KB Output is correct
65 Correct 244 ms 1528 KB Output is correct
66 Correct 244 ms 1528 KB Output is correct
67 Correct 244 ms 1628 KB Output is correct
68 Correct 244 ms 1528 KB Output is correct
69 Correct 246 ms 1564 KB Output is correct
70 Correct 241 ms 1528 KB Output is correct
71 Correct 243 ms 1572 KB Output is correct
72 Correct 242 ms 1528 KB Output is correct
73 Correct 241 ms 1528 KB Output is correct