Submission #697600

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
697600	2023-02-10 14:00:15	keta_tsimakuridze	Candies (JOI18_candies)	C++14	100 / 100	495 ms	69612 KiB

candies

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#include<bits/stdc++.h>
#define f first
#define s second
#define int long long
#define pii pair<int,int>
#define Pii pair<int,pii>
using namespace std;
const int N = 2e5 + 5, inf = 1e14; // !
int ans[N], a[N], p[N];
set<pii> S;
set<Pii> s;
struct node {
    pair<int, pii> best[2];
    pii R[2], L[2];
} t[4 * N], Z;
node merge(node a, node b) {
    node c;
    for(int t = 0; t < 2; t++) c.R[t] = max(a.R[t], b.R[t]), c.L[t] = min(a.L[t], b.L[t]);
    for(int t = 0; t < 2; t++)
    c.best[t] = max(a.best[t], b.best[t]),
    c.best[t] = max(c.best[t], {{b.R[t].f - a.L[t^1].f}, {a.L[t^1].s + 1, b.R[t].s}});
    return c;
}
void build(int u, int l, int r) {
    if(l == r) {
        t[u].best[0].f = t[u].best[1].f = -inf;
        t[u].R[l % 2] = {(l % 2 ? p[l] : -p[l]), l}; t[u].R[1 - l % 2].f = -inf;
 
 
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Compilation message (stderr)

candies.cpp:52:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   52 | main(){
      | ^~~~

• Subtask 1: 8 / 8
• Subtask 2: 92 / 92