#include<bits/stdc++.h>
using namespace std;
#define INF 1e9
#define MAX 100005
#define xx first
#define yy second
#define pb push_back
#define mp make_pair
#define ull long long
#define FOR(i,a,b) for(int i=a;i<=b;i++)
#define nl '\n'
#define zai <<' '<<
#define all(a) a.begin(),a.end()
#define pc __builtin_popcount
#define debug(args...) cerr << #args << " = "; Dbg,args; cerr << nl;
struct Dbg { template<typename T> Dbg& operator,(const T& v) { cerr << v << ", "; return *this; } } Dbg;
template <typename T> ostream& operator<<(ostream& _o_, const vector<T>& _v_){
if(!_v_.empty()){_o_<<'[';copy(_v_.begin(),_v_.end(),ostream_iterator<T>(_o_,", "));_o_<<"\b\b]";}return _o_;}
typedef vector<int> vi;
typedef pair<int,int> ii;
typedef vector<ii> vii;
typedef priority_queue<int, vector<int>, greater<int>> minheap;
template<class C> void mini(C &_a, C _b) { _a = min(_a, _b); }
template<class C> void maxi(C &_a, C _b) { _a = max(_a, _b); }
vii a;
vi b;
int n, m;
bool check(int x){
minheap q;
int j = 0, left = -1;
bool ok = 1;
for(int i = m - x; i < m; i++){
while(j < n && a[j].first <= b[i]){
if(a[j].second >= left)q.push(a[j].second);
j++;
}
if(q.empty())return 0;
left = q.top();
q.pop();
}
return 1;
}
vi scn(int n){
vi a(n);
for(int i = 0; i < n; i++){
cin >> a[i];
}
return a;
}
int main(){
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
cin >> n >> m;
for(int i = 0; i < n; i++){
int c, v;
cin >> c >> v;
a.emplace_back(c, v);
}
b = scn(m);
sort(all(a)); sort(all(b));
int l = 0, r = min(n, m);
while(l != r){
int mid = (l + r + 1) >> 1;
if(check(mid)){
l = mid;
}
else{
r = mid - 1;
}
}
cout << l;
return 0;
}
Compilation message
joi2019_ho_t2.cpp: In function 'bool check(int)':
joi2019_ho_t2.cpp:34:10: warning: unused variable 'ok' [-Wunused-variable]
bool ok = 1;
^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
380 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 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 |
376 KB |
Output is correct |
11 |
Correct |
2 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 |
380 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
380 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
380 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 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 |
376 KB |
Output is correct |
11 |
Correct |
2 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 |
380 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
380 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
3 ms |
376 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
3 ms |
376 KB |
Output is correct |
24 |
Correct |
3 ms |
376 KB |
Output is correct |
25 |
Correct |
3 ms |
376 KB |
Output is correct |
26 |
Correct |
4 ms |
508 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
3 ms |
376 KB |
Output is correct |
29 |
Correct |
4 ms |
376 KB |
Output is correct |
30 |
Correct |
3 ms |
376 KB |
Output is correct |
31 |
Correct |
3 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
3 ms |
380 KB |
Output is correct |
34 |
Correct |
3 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
380 KB |
Output is correct |
36 |
Correct |
3 ms |
376 KB |
Output is correct |
37 |
Correct |
3 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
380 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 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 |
376 KB |
Output is correct |
11 |
Correct |
2 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 |
380 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
380 KB |
Output is correct |
19 |
Correct |
2 ms |
376 KB |
Output is correct |
20 |
Correct |
3 ms |
376 KB |
Output is correct |
21 |
Correct |
3 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
3 ms |
376 KB |
Output is correct |
24 |
Correct |
3 ms |
376 KB |
Output is correct |
25 |
Correct |
3 ms |
376 KB |
Output is correct |
26 |
Correct |
4 ms |
508 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
3 ms |
376 KB |
Output is correct |
29 |
Correct |
4 ms |
376 KB |
Output is correct |
30 |
Correct |
3 ms |
376 KB |
Output is correct |
31 |
Correct |
3 ms |
376 KB |
Output is correct |
32 |
Correct |
2 ms |
376 KB |
Output is correct |
33 |
Correct |
3 ms |
380 KB |
Output is correct |
34 |
Correct |
3 ms |
376 KB |
Output is correct |
35 |
Correct |
2 ms |
380 KB |
Output is correct |
36 |
Correct |
3 ms |
376 KB |
Output is correct |
37 |
Correct |
3 ms |
376 KB |
Output is correct |
38 |
Correct |
138 ms |
4588 KB |
Output is correct |
39 |
Correct |
126 ms |
4592 KB |
Output is correct |
40 |
Correct |
186 ms |
4564 KB |
Output is correct |
41 |
Correct |
167 ms |
4592 KB |
Output is correct |
42 |
Correct |
64 ms |
4076 KB |
Output is correct |
43 |
Correct |
62 ms |
4208 KB |
Output is correct |
44 |
Correct |
136 ms |
4784 KB |
Output is correct |
45 |
Correct |
292 ms |
5064 KB |
Output is correct |
46 |
Correct |
237 ms |
4976 KB |
Output is correct |
47 |
Correct |
230 ms |
4844 KB |
Output is correct |
48 |
Correct |
210 ms |
4976 KB |
Output is correct |
49 |
Correct |
204 ms |
4208 KB |
Output is correct |
50 |
Correct |
170 ms |
4208 KB |
Output is correct |
51 |
Correct |
64 ms |
4080 KB |
Output is correct |
52 |
Correct |
62 ms |
4076 KB |
Output is correct |
53 |
Correct |
63 ms |
4080 KB |
Output is correct |
54 |
Correct |
196 ms |
5100 KB |
Output is correct |
55 |
Correct |
113 ms |
4592 KB |
Output is correct |
56 |
Correct |
42 ms |
3496 KB |
Output is correct |
57 |
Correct |
24 ms |
1800 KB |
Output is correct |
58 |
Correct |
49 ms |
4044 KB |
Output is correct |
59 |
Correct |
67 ms |
3948 KB |
Output is correct |
60 |
Correct |
25 ms |
1784 KB |
Output is correct |
61 |
Correct |
94 ms |
2932 KB |
Output is correct |
62 |
Correct |
207 ms |
4592 KB |
Output is correct |
63 |
Correct |
207 ms |
4616 KB |
Output is correct |
64 |
Correct |
219 ms |
4592 KB |
Output is correct |
65 |
Correct |
215 ms |
4496 KB |
Output is correct |
66 |
Correct |
207 ms |
4572 KB |
Output is correct |
67 |
Correct |
219 ms |
4616 KB |
Output is correct |
68 |
Correct |
207 ms |
4664 KB |
Output is correct |
69 |
Correct |
214 ms |
4624 KB |
Output is correct |
70 |
Correct |
211 ms |
4564 KB |
Output is correct |
71 |
Correct |
199 ms |
4720 KB |
Output is correct |
72 |
Correct |
175 ms |
4528 KB |
Output is correct |
73 |
Correct |
182 ms |
4588 KB |
Output is correct |