Submission #1157675

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1157675	2025-02-26 07:07:05	InvMOD	Dancing Elephants (IOI11_elephants)	C++17	100 / 100	5468 ms	6568 KiB

elephants

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#include<bits/stdc++.h>
#define sz(v) (int)(v).size()
#define all(v) (v).begin(), (v).end()
#define dbg(x) "[" << #x " = " << (x) << "]"
using namespace std;
const int N = 15e4 + 5;
const int B = 400;
const int NBlock = (N + B - 1) / B;
int n, L, a[N], idBlock[N], dp[N], lp[N];
int LBlock[NBlock], RBlock[NBlock];
vector<int> item_block[NBlock];
void calc_dp(vector<int>& item){
    for(int i = sz(item) - 1, j = i; i >= 0; i--){
        while(a[item[i]] + L < a[item[j]]) j--;
        if(j == sz(item) - 1){
            int u = item[i];
            lp[u] = a[u] + L;
            dp[u] = 1;
        }
        else{
            int u = item[i], v = item[j + 1];
            lp[u] = lp[v];
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 24 / 24
• Subtask 4: 47 / 47
• Subtask 5: 3 / 3