Submission #568921

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
568921	2022-05-26 10:55:28	birthdaycake	Street Lamps (APIO19_street_lamps)	C++17	60 / 100	512 ms	21472 KiB

street_lamps

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#include<bits/stdc++.h>
#define int long long
#define endl '\n'
#define mod 1000000007
#define boost ios_base::sync_with_stdio(false), cin.tie(NULL);
using namespace std;
 
 
 
int pref[300001],sub[300001],ans[300001],l[300001],seg[3000001];
int N,Left,Right,Value;
 
void Update(){
    int ind = N + Left - 1;
    seg[ind] = Value;
    while(ind /= 2) seg[ind] = max(seg[ind * 2], seg[ind * 2 + 1]);
}
 
 
int Query(int l = 1, int r = N, int ind = 1){
    if(l > Right || r < Left) return 0;
    if(l >= Left && r <= Right) return seg[ind];
    int mid = (l + r) / 2;
    return max(Query(l, mid, ind * 2), Query(mid + 1, r, ind * 2 + 1));
}
signed main() {
 
    int n,q; cin >> n >> q;
    string a; cin >> a;
    if(n <= 100 && q <= 100){
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20