Submission #939880

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
939880	2024-03-06 22:27:57	Litusiano	Progression (NOI20_progression)	C++17	57 / 100	886 ms	91332 KiB

Progression

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#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"
const int INF = 1e15;
struct Node{
  pair<int,int> mxl = {-INF,INF}; // tot, val
  pair<int,int> mxr = {-INF,INF}; // tot, val
  pair<int,int> tot = {-INF,INF}; // tot, val
  int sz = 1;
  int sum = 0;
};  
struct SegTree{
  int n;
  vector<Node> seg; //mxl,  
  vector<pair<bool,int>> lazy; // 0 add, 1 set
  Node merge(Node idx, Node idx1){
    Node ans;
    ans.sz = idx.sz + idx1.sz;
    ans.sum = idx.sum + idx1.sum;
    // if(idx.mxl.first == -INF && idx1.mxl.first == -INF) return ans; // both are null nodes
    // if(idx1.mxl.first == -INF) return idx; // just second is a null node
    // if(idx.mxl.first == -INF) return idx1;
    ans.mxl = idx.mxl;
    pair<int,int> templeft = idx.mxl; //idx ALWAYS IN THE LEFT 
    if(idx.mxl.first == idx.sz){
      if(idx1.mxl.second == idx.mxl.second) templeft = {idx.sz + idx1.mxl.first, idx1.mxl.second};// join both lefts
      else templeft = idx.mxl;
 
 
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Compilation message (stderr)

Progression.cpp: In function 'int main()':
Progression.cpp:175:6: warning: unused variable 'val' [-Wunused-variable]
  175 |  int val = v[0];
      |      ^~~

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