제출 #971775

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
971775	2024-04-29 09:22:17	Niosakaru	Skyscraper (JOI16_skyscraper)	C++17	100 / 100	69 ms	50772 KiB

skyscraper

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#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
const ll MOD = 1e9 + 7;
int a[102];
ll dp[102][102][1002][3];
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, l;
    cin >> n >> l;
    if (n == 1) return cout << 1, 0;
    for (int i = 1; i <= n; i++) cin >> a[i];
    sort(a + 1, a + n + 1);
    a[n + 1] = 10000;
    dp[0][0][0][0] = 1;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= i; j++) {
            for (int k = 0; k <= l; k++) {
                for (int m = 0; m <= 2; m++) {
                    int cost_diff = (2 * j - m) * (a[i + 1] - a[i]);
                    if (cost_diff > k || i + j + 1 - m > n) continue;
                    // Case 1
                    dp[i][j][k][m] += dp[i - 1][j - 1][k - cost_diff][m];
                    // Case 2
                    if (m)
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 80 / 80