Submission #51141

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
51141	2018-06-16 16:19:38	imeimi2000	Dancing Elephants (IOI11_elephants)	C++17	100 / 100	3127 ms	78636 KiB

elephants

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#include "elephants.h"
#include <algorithm>
#include <map>
using namespace std;
const int t = 500;
const int MAXN = 2e5;
int n, l, a[MAXN];
int x[MAXN];
int bs;
map<int, int> mp;
struct _dp {
    int cnt, mx;
    _dp operator+(int x) const {
        return { cnt + x, mx };
    }
} dp[t][t << 1 | 1];
int buc[t][t << 1 | 1];
int s[t];
const int inf = 1e9 + 7;
void recalc(int s) {
    int j = buc[s][0];
    for (int i = j++; i > 0; --i) {
        while (j > 1 && buc[s][i] + l < buc[s][j - 1]) --j;
        if (j <= buc[s][0]) dp[s][i] = dp[s][j] + 1;
        else dp[s][i] = { 1, buc[s][i] };
 
 
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• Subtask 5: 3 / 3