// author : anhtun_hi , nqg
#include <bits/stdc++.h>
#define ll long long
#define ii pair<ll, ll>
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define reset(h, v) memset(h, v, sizeof h)
#define Forv(i, a) for(auto& i : a)
#define For(i, a, b) for(int i = a; i <= b; ++i)
#define Ford(i, a, b) for(int i = a; i >= b; --i)
#define c_bit(i) __builtin_popcountll(i)
#define Bit(mask, i) ((mask >> i) & 1LL)
#define onbit(mask, i) ((mask) bitor (1LL << i))
#define offbit(mask, i) ((mask) &~ (1LL << i))
#define TIME (1.0 * clock() / CLOCKS_PER_SEC)
using namespace std;
namespace std {
template <typename T, int D>
struct _vector : public vector <_vector <T, D - 1>> {
static_assert(D >= 1, "Dimension must be positive!");
template <typename... Args>
_vector(int n = 0, Args... args) : vector <_vector <T, D - 1>> (n, _vector <T, D - 1> (args...)) {}
};
template <typename T> struct _vector <T, 1> : public vector <T> {
_vector(int n = 0, const T& val = T()) : vector <T> (n, val) {}
};
template <class A, class B> bool minimize(A &a, B b){return a > b ? a = b, true : false;}
template <class A, class B> bool maximize(A &a, B b){return a < b ? a = b, true : false;}
}
const int dx[] = {0, 0, +1, -1}, dy[] = {-1, +1, 0, 0}, LOG = 20, base = 311, inf = 1e9 + 5;
const int MAXN = 5e5 + 5;
const ll mod = 1e9 + 7;
const ll oo = 1e18;
//#define int long long
int n; ii a[MAXN];
void Solve() {
cin >> n;
For(i, 1, n) cin >> a[i].se;
For(i, 1, n) cin >> a[i].fi;
sort(a + 1, a + n + 1, [&](ii x, ii y){
return (x.fi < y.fi) || (x.fi == y.fi && x.se > y.se);
});
priority_queue<ll, vector<ll>> pq;
ll sum = 0; int ans = 0;
For(i, 1, n) {
while(pq.size() && sum > a[i].fi){
sum -= pq.top();
pq.pop();
}
pq.push(a[i].se);
sum += a[i].se;
maximize(ans, pq.size());
}
cout << ans << '\n';
}
signed main() {
cin.tie(0) -> sync_with_stdio(0);
if(fopen("a.inp", "r")) {
freopen("a.inp", "r", stdin);
freopen("a.out", "w", stdout);
}
int t = 1;
// cin >> t;
while(t --) Solve();
return 0;
}
Compilation message
Main.cpp: In instantiation of 'bool std::maximize(A&, B) [with A = int; B = long unsigned int]':
Main.cpp:56:32: required from here
Main.cpp:29:67: warning: comparison of integer expressions of different signedness: 'int' and 'long unsigned int' [-Wsign-compare]
29 | template <class A, class B> bool maximize(A &a, B b){return a < b ? a = b, true : false;}
| ~~^~~
Main.cpp: In function 'int main()':
Main.cpp:64:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
64 | freopen("a.inp", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
Main.cpp:65:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
65 | freopen("a.out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
620 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
119 ms |
12928 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
620 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
1 ms |
620 KB |
Output is correct |
| 3 |
Incorrect |
1 ms |
336 KB |
Output isn't correct |
| 4 |
Halted |
0 ms |
0 KB |
- |
