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Submission #884806

# Submission time Handle Problem Language Result Execution time Memory
884806 2023-12-08T12:57:22 Z vantien Exhibition (JOI19_ho_t2) C++14
100 / 100
 42 ms 1724 KB 
// cre : Nguyen Van Tien

#include <bits/stdc++.h>
#define REP(i,a,b) for (int i = a;i<b;++i)
#define FOR(i,a,b) for (int i = a;i>b;--i)
#define STEP(i,a,b,c) for (int i = a;i<b;i+=c)
#define STEPD(i,a,b,c) for (int i = a;i>b;i-=c)
#define ll long long
#define name "TEST"
using namespace std;

/*
---------------------------------
   Nguyen Van Tien - vantien1526
   Mê cách ngài define
---------------------------------
*/

const int N = 1e5 + 6;
int n,m,C[N],check[N],check1[N];
struct Arr{
    int s,v;
} arr[N];

bool cmp(Arr a,Arr b){
    if (a.v != b.v) return a.v > b.v;
    return a.s > b.s;
}

void sub1(){
    sort(arr + 1,arr + n + 1,cmp);
    sort(C + 1,C + m + 1);
    int cnt = 0;
    FOR (i,m,0){
        REP (j,1,n+1){
            if (arr[j].s <= C[i] && !check1[j] && !check[i]){
                cnt++;
                check[i] = check1[j] = 1;
                break;
            }
        }
    }
    cout << cnt;
}

void sub2(){
    sort(arr + 1,arr + n + 1,cmp);
    sort(C + 1,C + m + 1);
    int cnt = 0,ans = m;
    REP (i,1,n+1){
        int l = 1,r = ans,res = -1;
        while (l <= r){
            int mid = l + r >> 1;
            if (C[mid] >= arr[i].s){
                res = mid;
                l = mid + 1;
                //check = 1;
            }
            else{
                l = mid + 1;
            }
        }
        if (res != -1){
            cnt++;
            ans = res-1;
        }
    }
    cout << cnt;
}

void solve(){ 
    cin >> n >> m; 
    REP (i,1,n+1) cin >> arr[i].s >> arr[i].v;
    REP (i,1,m+1) cin >> C[i];
    //if (n <= 1000 && m <= 1000) sub1();
    sub2();
}

int main()
{    
    ios_base :: sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    
    //freopen(name".INP","r",stdin);
    //freopen(name".OUT","w",stdout);
    
    int t ; t = 1 ; REP (i,0,t) solve();
    return 0;
}

Compilation message

joi2019_ho_t2.cpp: In function 'void sub2()':
joi2019_ho_t2.cpp:53:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   53 |             int mid = l + r >> 1;
      |                       ~~^~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 468 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 39 ms 1372 KB Output is correct
39 Correct 36 ms 1544 KB Output is correct
40 Correct 35 ms 1420 KB Output is correct
41 Correct 39 ms 1368 KB Output is correct
42 Correct 39 ms 1628 KB Output is correct
43 Correct 39 ms 1628 KB Output is correct
44 Correct 39 ms 1464 KB Output is correct
45 Correct 39 ms 1368 KB Output is correct
46 Correct 41 ms 1628 KB Output is correct
47 Correct 35 ms 1372 KB Output is correct
48 Correct 34 ms 1372 KB Output is correct
49 Correct 32 ms 1404 KB Output is correct
50 Correct 33 ms 1256 KB Output is correct
51 Correct 38 ms 1624 KB Output is correct
52 Correct 41 ms 1524 KB Output is correct
53 Correct 42 ms 1372 KB Output is correct
54 Correct 34 ms 1368 KB Output is correct
55 Correct 38 ms 1520 KB Output is correct
56 Correct 23 ms 1116 KB Output is correct
57 Correct 13 ms 604 KB Output is correct
58 Correct 22 ms 1172 KB Output is correct
59 Correct 24 ms 1116 KB Output is correct
60 Correct 14 ms 860 KB Output is correct
61 Correct 22 ms 980 KB Output is correct
62 Correct 41 ms 1724 KB Output is correct
63 Correct 39 ms 1480 KB Output is correct
64 Correct 40 ms 1628 KB Output is correct
65 Correct 39 ms 1628 KB Output is correct
66 Correct 39 ms 1628 KB Output is correct
67 Correct 39 ms 1616 KB Output is correct
68 Correct 39 ms 1616 KB Output is correct
69 Correct 40 ms 1628 KB Output is correct
70 Correct 40 ms 1540 KB Output is correct
71 Correct 39 ms 1628 KB Output is correct
72 Correct 39 ms 1628 KB Output is correct
73 Correct 38 ms 1372 KB Output is correct