Submission #386392

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
386392	2021-04-06 13:53:40	MatheusLealV	Food Court (JOI21_foodcourt)	C++17	100 / 100	745 ms	43880 KiB

foodcourt

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#pragma GCC optimize ("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#define N 250020
// #define int long long
typedef long long ll;
#define pb push_back
using namespace std;
const ll inf = (ll)(2e15);
struct node{
  #define l (2*nod)
  #define r (2*nod + 1)
  #define mid ((a + b)/2)
  ll max1, max2;
  ll lazy;
  node(ll x = 0){
    max1 = x;
    max2 = -inf;
    lazy=0;
  }
} tree[4*N];
void merge(int nod){
  tree[nod].max1 = max(tree[l].max1, tree[r].max1);
  tree[nod].max2 = -inf;
  if(tree[l].max1 != tree[nod].max1) tree[nod].max2 = max(tree[nod].max2, tree[l].max1);
  if(tree[l].max2 != tree[nod].max1) tree[nod].max2 = max(tree[nod].max2, tree[l].max2);
  if(tree[r].max1 != tree[nod].max1) tree[nod].max2 = max(tree[nod].max2, tree[r].max1);
  if(tree[r].max2 != tree[nod].max1) tree[nod].max2 = max(tree[nod].max2, tree[r].max2);
}
 
 
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Compilation message (stderr)

foodcourt.cpp: In function 'void fastscan(int&)':
foodcourt.cpp:175:18: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
  175 |     register int c;
      |                  ^
foodcourt.cpp: In function 'void fastscanll(ll&)':
foodcourt.cpp:191:18: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
  191 |     register int c;
      |                  ^
foodcourt.cpp: In function 'int main()':
foodcourt.cpp:249:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<service>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  249 |  for(int i = 0; i < Q.size(); i++) printf("%d\n",ans[i+1]);
      |                 ~~^~~~~~~~~~

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