Submission #557233

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
557233	2022-05-04 22:20:21	lunchbox	Cake 3 (JOI19_cake3)	C++17	100 / 100	726 ms	9548 KiB

cake3

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
/*
https://oj.uz/problem/view/JOI19_cake3
Cake 3
*/
#include <bits/stdc++.h>
using namespace std;
#define N 200000
namespace kactl {
  typedef long long ll;
#define sz(x) int(x.size())
  /**
   * Author: Lukas Polacek
   * Date: 2009-10-30
   * License: CC0
   * Source: folklore/TopCoder
   * Description: Computes partial sums a[0] + a[1] + ... + a[pos - 1], and updates single elements a[i],
   * taking the difference between the old and new value.
   * Time: Both operations are $O(\log N)$.
   * Status: Stress-tested
   */
  struct FT {
    vector<ll> s;
    vector<int> k;
    void init(int n) {
      s.assign(n, 0);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

cake3.cpp: In function 'int main()':
cake3.cpp:118:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  118 |  scanf("%d%d", &n, &m_);
      |  ~~~~~^~~~~~~~~~~~~~~~~
cake3.cpp:120:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  120 |   scanf("%d%d", &aa[i][1], &aa[i][0]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 76 / 76