Submission #1270732

#	Time	Username	Problem	Language	Result	Execution time	Memory
1270732		goulthen	Gym Badges (NOI22_gymbadges)	C++20	42 / 100	95 ms	196308 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ll long long
#define rep(i,a,b) for (int i = a; i <= b; i++)
#define per(i,a,b) for (int i = a; i >= b; i--)
#define fi first
#define se second
#define pii pair<int,int>
#define pb push_back

const int MAXN = 5e3+10;
const int INF = 1e18 + 5;
array<int,3> a[MAXN];
int dp[MAXN][MAXN];

int32_t main() {
	ios_base::sync_with_stdio(0); cin.tie(nullptr);
	int n;cin >> n;
	rep(i,1,n) cin >> a[i][1];
	rep(i,1,n) cin >> a[i][2];
	rep(i,1,n) a[i][0] = a[i][1] + a[i][2];

	sort(a+1,a+n+1);
	rep(j,1,n) dp[0][j] = INF;

	rep(i,1,n) {
		rep(j,0,n) {
			dp[i][j] = dp[i-1][j];
			if (j>0 && dp[i-1][j-1] <= a[i][2]) dp[i][j] = min(dp[i][j], dp[i-1][j-1] + a[i][1]);
		}
	}

	per(j,n,1) {
		if (dp[n][j] < INF) {
			cout << j << '\n';
			break;
		}
	}


	return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 0 / 9
• Subtask 3: 27 / 27
• Subtask 4: 0 / 49