Submission #119997

#	Time	Username	Problem	Language	Result	Execution time	Memory
119997		Osama_Alkhodairy	Dancing Elephants (IOI11_elephants)	C++17	26 / 100	9078 ms	1920 KiB

elephants

#include <bits/stdc++.h>
#include "elephants.h"
//~ #include "grader.cpp"
using namespace std;

#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")

int n, l;
vector <int> a;
set <int> s;

void init(int N, int L, int X[]){
    n = N;
    l = L;
    for(int i = 0 ; i < n ; i++){
        a.push_back(X[i]);
        s.insert(X[i]);
    }
}
int update(int i, int y){
    s.erase(a[i]);
    a[i] = y;
    s.insert(a[i]);
    int cur = *s.begin();
    int ans = 1;
    for(auto &i : s){
        if(cur + l < i){
            cur = i;
            ans++;
        }
    }
    return ans;
}

Compilation message (stderr)

elephants.cpp:7:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization ("O3")
 
elephants.cpp:8:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 #pragma GCC optimization ("unroll-loops")

• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 0 / 24
• Subtask 4: 0 / 47
• Subtask 5: 0 / 3