Submission #282259

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
282259	2020-08-24 08:18:14	arnold518	Interval Collection (CCO20_day2problem2)	C++14	25 / 25	3602 ms	386084 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 1e6;
const ll INF = 1e15;
int Q;
multiset<ll, greater<ll>> L[MAXN+10], LL;
multiset<ll> R[MAXN+10], RR;
struct Node
{
  ll maxl, minr, val;
  Node() : maxl(-INF), minr(INF), val(INF) {}
};
Node operator + (const Node &p, const Node &q)
{
  Node ret;
  ret.maxl=max(p.maxl, q.maxl);
  ret.minr=min(p.minr, q.minr);
  ret.val=min({p.val, q.val, q.minr-p.maxl});
  return ret;
}
Node tree[MAXN*4+10];
 
 
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Compilation message (stderr)

Main.cpp: In function 'void update(int, int, int, int)':
Main.cpp:42:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   42 |  int mid=tl+tr>>1;
      |          ~~^~~
Main.cpp: In function 'int main()':
Main.cpp:52:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   52 |  scanf("%d", &Q);
      |  ~~~~~^~~~~~~~~~
Main.cpp:64:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   64 |   scanf(" %c%d%d", &c, &l, &r);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 8 / 8
• Subtask 3: 7 / 7
• Subtask 4: 4 / 4
• Subtask 5: 3 / 3