Submission #218678

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
218678	2020-04-02 13:52:37	eriksuenderhauf	Sweeping (JOI20_sweeping)	C++11	100 / 100	8414 ms	350064 KiB

sweeping

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#define trav(x,a) for (const auto& x: a)
#define sz(x) (int)(x).size()
#define pii pair<int, int>
#define vii vector<pii>
#define pb push_back
#define mp make_pair
#define st first
#define nd second
using namespace std;
const int inf = 1e9 + 7;
const int N = 2e6 + 5;
pii a[N], b[N];
int idx[N], n;
pii ans[N], qry[N];
vector<pii> seg[4*N];
void upd(int l, int r, int k, int x, int y, int i, int j) {
  if (r < x || y < l) return;
  if (x <= l && r <= y) {
    seg[k].push_back({i, j});
    return;
  }
  int m = (l+r) / 2;
  upd(l, m, k*2, x, y, i, j);
  upd(m+1, r, k*2+1, x, y, i, j);
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

sweeping.cpp: In function 'int main()':
sweeping.cpp:84:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int m, q; scanf("%d %d %d", &n, &m, &q);
             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sweeping.cpp:86:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &a[i].st, &a[i].nd);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sweeping.cpp:95:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &t, &x);
     ~~~~~^~~~~~~~~~~~~~~~~
sweeping.cpp:102:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", &y);
       ~~~~~^~~~~~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 10 / 10
• Subtask 3: 11 / 11
• Subtask 4: 53 / 53
• Subtask 5: 25 / 25