제출 #986929

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
986929	2024-05-21 15:17:34	alextodoran	Sparklers (JOI17_sparklers)	C++17	50 / 100	21 ms	1372 KiB

sparklers

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/**
 _  _   __  _ _ _  _  _ _
 |a  ||t  ||o    d | |o  |
| __    _| | _ | __|  _ |
| __ |/_  | __  /__\ / _\|
**/
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int N_MAX = 1000;
int N, K, T;
int X[N_MAX + 2];
bool dp[N_MAX + 2][N_MAX + 2];
bool check (int speed) {
    dp[1][N] = true;
    for (int l = 1; l <= K; l++) {
        for (int r = N - (l == 1); r >= K; r--) {
            dp[l][r] = false;
            if (l > 1 && X[r] - X[l - 1] <= (ll) speed * (r - l + 1) * 2 * T) {
                dp[l][r] |= dp[l - 1][r];
            }
 
 
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• Subtask 1: 30 / 30
• Subtask 2: 20 / 20
• Subtask 3: 0 / 50