Submission #585253

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
585253	2022-06-28 13:14:21	keta_tsimakuridze	Progression (NOI20_progression)	C++14	24 / 100	553 ms	85784 KiB

Progression

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#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define f first
#define s second
#define endl "\n"
const int N = 3e5 + 5, mod = 1e9 + 7, inf = 2e18; //!
int t, d[N], a[N];
struct node {
  int L, R, len;
  pii suf, pref;
  int ans;
} tree[4 * N];
struct z {
  int k, b, t;
} lazy[N];
bool eq(int a, int b) {
  return (a == -inf || b == -inf ? 1 : a == b);
}
node merge(node a, node b) {
  node c;
  c.len = a.len + b.len;
  c.L = a.L; c.R = b.R;
  c.ans = max(a.ans, b.ans);
//  cout << eq(a.suf.f, b.suf.f) << endl;
  if(eq(a.suf.f, b.pref.f) && eq(a.suf.f, b.L - a.R) && eq(b.pref.f, b.L - a.R)) {
    c.ans = max(c.ans, a.suf.s + b.pref.s);
  }
  if(eq(a.suf.f, b.L - a.R)) {
 
 
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Compilation message (stderr)

Progression.cpp:125:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  125 | main() {
      | ^~~~

• Subtask 1: 9 / 9
• Subtask 2: 15 / 15
• Subtask 3: 0 / 35
• Subtask 4: 0 / 11
• Subtask 5: 0 / 13
• Subtask 6: 0 / 17