Submission #568805

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
568805	2022-05-26 08:23:33	HappyPacMan	Strange Device (APIO19_strange_device)	C++14	100 / 100	485 ms	42076 KiB

strange_device

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
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll inf = 1e18;
int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int n;
  ll A,B;
  cin >> n >> A >> B;
  __int128_t LC = (__int128_t)1*A/__gcd(A,B+1)*B;
  ll sum = 0;
  vector<pair<ll,ll> > range;
  for(int i=0;i<n;i++){
    ll li,ri;
    cin >> li >> ri;
    sum += ri-li+1;
    range.emplace_back(li,ri);
  }
  if(LC > (__int128_t)inf){
    cout << sum << '\n';
    return 0;
  }
  ll LCM = A/__gcd(A,B+1)*B;
  vector<pair<ll,ll> > addi;
  for(auto [li,ri] : range){
    if(ri/LCM-li/LCM > 1){
      addi.emplace_back(0,LCM-1);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:28:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   28 |  for(auto [li,ri] : range){
      |           ^
strange_device.cpp:40:11: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   40 |  for(auto [li,ri] : addi){
      |           ^

• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 20 / 20
• Subtask 7: 20 / 20
• Subtask 8: 30 / 30