Submission #963752

#	Time	Username	Problem	Language	Result	Execution time	Memory
963752		Trisanu_Das	Fountain (eJOI20_fountain)	C++17	Compilation error	0 ms	0 KiB

fountain

#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
using namespace std;
#define int long long

int n, q, jump[100005][20], h2o[100005][20];

signed main(){
  ios_base::sync_with_stdio(false); cin.tie(nullptr);
  cin >> n >> q;
  priority_queue<pair<int, int>, greater<pair<int, int> > pq;
  for(int i = 1; i <= n; i++){
    int d; cin >> d >> h2o[i][0];
    while(!pq.empty() && pq.top().ff < d){
      jump[pq.top().ss][0] = i;
      pq.pop();
    }
    pq.push({d, i});
  }
  while(!pq.empty()){
    jump[pq.top().ss][0] = 0;
    pq.pop();
  }
  jump[0][0] = 0; h2o[0][0] = 0;
  for(int j = 1; j < 20; j++)
    for(int i = 0; i <= n; i++){
      jump[i][j] = jump[[i][j - 1]][j - 1];
      h20[i][j] = h2o[i][j - 1] + h20[jump[i][j - 1]][j - 1];
    }
  
  while(q--){
    int r, v; cin >> r >> v;
    for(int i = 19; i >= 0; i++){
      if(h2o[r][i] > v) continue;
      v -= h20[r][i];
      r = jump[r][i];
    }
    cout << r << '\n';
  }
}

Compilation message (stderr)

fountain.cpp: In function 'int main()':
fountain.cpp:12:59: error: template argument 2 is invalid
   12 |   priority_queue<pair<int, int>, greater<pair<int, int> > pq;
      |                                                           ^~
fountain.cpp:12:59: error: template argument 3 is invalid
fountain.cpp:15:12: error: 'pq' was not declared in this scope; did you mean 'q'?
   15 |     while(!pq.empty() && pq.top().ff < d){
      |            ^~
      |            q
fountain.cpp:19:5: error: 'pq' was not declared in this scope; did you mean 'q'?
   19 |     pq.push({d, i});
      |     ^~
      |     q
fountain.cpp:21:10: error: 'pq' was not declared in this scope; did you mean 'q'?
   21 |   while(!pq.empty()){
      |          ^~
      |          q
fountain.cpp:28:24: error: two consecutive '[' shall only introduce an attribute before '[' token
   28 |       jump[i][j] = jump[[i][j - 1]][j - 1];
      |                        ^
fountain.cpp:29:7: error: 'h20' was not declared in this scope; did you mean 'h2o'?
   29 |       h20[i][j] = h2o[i][j - 1] + h20[jump[i][j - 1]][j - 1];
      |       ^~~
      |       h2o
fountain.cpp:36:12: error: 'h20' was not declared in this scope; did you mean 'h2o'?
   36 |       v -= h20[r][i];
      |            ^~~
      |            h2o