#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define int long long
#define FOR(i, a, b) for ( int i = a ; i <= b ; i++ )
#define FORD(i, a, b) for (int i = b; i >= a; i --)
#define REP(i, n) for (int i = 0; i < n; ++i)
#define REPD(i, n) for (int i = n - 1; i >= 0; --i)
#define pii pair<int , int>
#define Lg(x) 31 - __builtin_clz(x)
#define MASK(i) (1LL << (i))
#define BIT(x, i) (((x) >> (i)) & 1)
constexpr ll LINF = (1ll << 60);
constexpr int INF = (1ll << 30);
constexpr int MAX = 2e5 + 5;
constexpr int Mod = 1e9 + 7;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
void setupIO(){
#define name "Whisper"
//Phu Trong from Nguyen Tat Thanh High School for gifted student
srand(time(NULL));
cin.tie(nullptr)->sync_with_stdio(false); cout.tie(nullptr);
//freopen(name".inp", "r", stdin);
//freopen(name".out", "w", stdout);
cout << fixed << setprecision(10);
}
template <class X, class Y>
bool minimize(X &x, const Y &y){
X eps = 1e-9;
if (x > y + eps) {x = y; return 1;}
return 0;
}
template <class X, class Y>
bool maximize(X &x, const Y &y){
X eps = 1e-9;
if (x + eps < y) {x = y; return 1;}
return 0;
}
int numPic, nFrame;
pair<int, int> a[MAX];
int b[MAX];
void Whisper(){
cin >> numPic >> nFrame;
for (int i = 1; i <= numPic; ++i) cin >> a[i].first >> a[i].second;
for (int i = 1; i <= nFrame; ++i) cin >> b[i];
sort(a + 1, a + numPic + 1, [&](const pair<int, int>&a, const pair<int, int>& b){
if (a.second == b.second) return a.first < b.first;
return a.second < b.second;
});
sort(b + 1, b + nFrame + 1);
int ans = 0;
int j = numPic;
for (int i = nFrame; i >= 1; --i){
while (j > 0 && a[j].first > b[i]) --j;
if (a[j].first <= b[i] && j > 0){
++ans; --j;
}
}
cout << ans;
}
signed main(){
setupIO();
int Test = 1;
// cin >> Test;
for ( int i = 1 ; i <= Test ; i++ ){
Whisper();
if (i < Test) cout << '\n';
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2516 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2520 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2516 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2520 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
1 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2532 KB |
Output is correct |
27 |
Correct |
1 ms |
2644 KB |
Output is correct |
28 |
Correct |
1 ms |
2392 KB |
Output is correct |
29 |
Correct |
1 ms |
2392 KB |
Output is correct |
30 |
Correct |
1 ms |
2396 KB |
Output is correct |
31 |
Correct |
1 ms |
2396 KB |
Output is correct |
32 |
Correct |
1 ms |
2396 KB |
Output is correct |
33 |
Correct |
1 ms |
2396 KB |
Output is correct |
34 |
Correct |
1 ms |
2392 KB |
Output is correct |
35 |
Correct |
1 ms |
2520 KB |
Output is correct |
36 |
Correct |
1 ms |
2396 KB |
Output is correct |
37 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
2392 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
0 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2396 KB |
Output is correct |
7 |
Correct |
0 ms |
2396 KB |
Output is correct |
8 |
Correct |
0 ms |
2396 KB |
Output is correct |
9 |
Correct |
0 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2392 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2396 KB |
Output is correct |
14 |
Correct |
1 ms |
2516 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2520 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2396 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2396 KB |
Output is correct |
23 |
Correct |
1 ms |
2396 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2532 KB |
Output is correct |
27 |
Correct |
1 ms |
2644 KB |
Output is correct |
28 |
Correct |
1 ms |
2392 KB |
Output is correct |
29 |
Correct |
1 ms |
2392 KB |
Output is correct |
30 |
Correct |
1 ms |
2396 KB |
Output is correct |
31 |
Correct |
1 ms |
2396 KB |
Output is correct |
32 |
Correct |
1 ms |
2396 KB |
Output is correct |
33 |
Correct |
1 ms |
2396 KB |
Output is correct |
34 |
Correct |
1 ms |
2392 KB |
Output is correct |
35 |
Correct |
1 ms |
2520 KB |
Output is correct |
36 |
Correct |
1 ms |
2396 KB |
Output is correct |
37 |
Correct |
1 ms |
2396 KB |
Output is correct |
38 |
Correct |
36 ms |
7632 KB |
Output is correct |
39 |
Correct |
35 ms |
7388 KB |
Output is correct |
40 |
Correct |
30 ms |
7852 KB |
Output is correct |
41 |
Correct |
36 ms |
7508 KB |
Output is correct |
42 |
Correct |
44 ms |
7404 KB |
Output is correct |
43 |
Correct |
36 ms |
7504 KB |
Output is correct |
44 |
Correct |
40 ms |
7744 KB |
Output is correct |
45 |
Correct |
35 ms |
7508 KB |
Output is correct |
46 |
Correct |
35 ms |
7356 KB |
Output is correct |
47 |
Correct |
32 ms |
7320 KB |
Output is correct |
48 |
Correct |
31 ms |
7248 KB |
Output is correct |
49 |
Correct |
29 ms |
7000 KB |
Output is correct |
50 |
Correct |
28 ms |
6992 KB |
Output is correct |
51 |
Correct |
35 ms |
7504 KB |
Output is correct |
52 |
Correct |
35 ms |
7492 KB |
Output is correct |
53 |
Correct |
36 ms |
7420 KB |
Output is correct |
54 |
Correct |
31 ms |
7516 KB |
Output is correct |
55 |
Correct |
36 ms |
7504 KB |
Output is correct |
56 |
Correct |
22 ms |
6484 KB |
Output is correct |
57 |
Correct |
14 ms |
3416 KB |
Output is correct |
58 |
Correct |
22 ms |
6492 KB |
Output is correct |
59 |
Correct |
22 ms |
6480 KB |
Output is correct |
60 |
Correct |
14 ms |
3420 KB |
Output is correct |
61 |
Correct |
22 ms |
4188 KB |
Output is correct |
62 |
Correct |
36 ms |
7504 KB |
Output is correct |
63 |
Correct |
35 ms |
7512 KB |
Output is correct |
64 |
Correct |
35 ms |
7512 KB |
Output is correct |
65 |
Correct |
36 ms |
7516 KB |
Output is correct |
66 |
Correct |
39 ms |
7632 KB |
Output is correct |
67 |
Correct |
35 ms |
7520 KB |
Output is correct |
68 |
Correct |
35 ms |
7416 KB |
Output is correct |
69 |
Correct |
41 ms |
7516 KB |
Output is correct |
70 |
Correct |
37 ms |
7508 KB |
Output is correct |
71 |
Correct |
35 ms |
7504 KB |
Output is correct |
72 |
Correct |
43 ms |
7640 KB |
Output is correct |
73 |
Correct |
33 ms |
7516 KB |
Output is correct |