Submission #102825

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
102825	2019-03-27 16:55:31	popovicirobert	Watching (JOI13_watching)	C++14	100 / 100	990 ms	16140 KiB

watching

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#include <bits/stdc++.h>
#define ll long long
#define ull unsigned long long
#define lsb(x) (x & (-x))
using namespace std;
const ll INF = 1e15;
const int MAXN = 2005;
int dp[MAXN + 1][MAXN + 1];
ll arr[MAXN + 1];
int nxt_a[MAXN + 1], nxt_b[MAXN + 1];
inline bool check(ll w, int n, int a, int b) {
    int i, j;
    for(i = 0; i <= n; i++) {
        for(j = i; j <= n + 1; j++) {
            if(arr[j] - arr[i] >= w) {
                nxt_a[i] = j;
                break;
            }
        }
        for(j = i; j <= n + 1; j++) {
            if(arr[j] - arr[i] >= 2LL * w) {
                nxt_b[i] = j;
                break;
            }
        }
 
 
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• Subtask 1: 50 / 50
• Subtask 2: 50 / 50