#include<bits/stdc++.h>
#define fo(i,d,c) for(int i=d;i<=c;i++)
#define fod(i,c,d) for(int i=c;i>=d;i--)
#define maxn 1000010
#define N 1010
#define fi first
#define se second
#define pb emplace_back
#define en cout<<"\n";
#define int long long
#define inf 1000000000
#define pii pair<int,int>
#define vii vector<pii>
#define lb(x) x&-x
#define bit(i,j) ((i>>j)&1)
#define offbit(i,j) (i^(1<<j))
#define onbit(i,j) (i|(1<<j))
#define vi vector<int>
template <typename T1, typename T2> bool minimize(T1 &a, T2 b){if (a > b) {a = b; return true;} return false;}
template <typename T1, typename T2> bool maximize(T1 &a, T2 b){if (a < b) {a = b; return true;} return false;}
using namespace std;
//struct BIT
//{
// int t[maxn];
// void up(int x,int val)
// {
// for( ; x < maxn ; x += lb(x)) t[x] += val;
// }
// int get(int x)
// {
// int ans = 0;
// for( ; x ; x -= lb(x)) ans += t[x];
// return ans;
// }
//}t1;
int n,m,c[maxn];
int f[maxn];
pii a[maxn];
int arr[maxn];
main()
{
#define name "TASK"
if(fopen(name".inp","r"))
{
freopen(name".inp","r",stdin);
freopen(name".out","w",stdout);
}
ios_base::sync_with_stdio(false);cin.tie(NULL);
cin >> n >> m;
fo(i,1,n) cin >> a[i].fi >> a[i].se;
fo(i,1,m) cin >> c[i];
vi v;
sort(a + 1,a + n + 1,[](pii a,pii b)
{
return a.se > b.se or (a.se == b.se and a.fi > b.fi);
});
sort(c + 1,c + m + 1,greater<int>());
fo(i,1,n)
{
int id = v.size() + 1;
if(id <= m and a[i].fi < c[id]) v.pb(a[i].se);
}
cout << v.size();
}
Compilation message
joi2019_ho_t2.cpp:40:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
40 | main()
| ^~~~
joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:45:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
45 | freopen(name".inp","r",stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
joi2019_ho_t2.cpp:46:15: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
46 | freopen(name".out","w",stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |