Submission #393918

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
393918	2021-04-24 22:17:05	ritul_kr_singh	Strange Device (APIO19_strange_device)	C++17	100 / 100	585 ms	53400 KiB

strange_device

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define sp << ' ' <<
#define nl << '\n'
const int INF = 1e18;
signed main(){
  cin.tie(0)->sync_with_stdio(0);
  int n, A, B, l, r; cin >> n >> A >> B;
  int g = A / __gcd(A, B + 1LL);
  if(g > (INF + 5LL) / B) g = INF + 5;
  else g *= B;
  vector<array<int, 2>> q;
  bool all = false;
  while(n--){
    cin >> l >> r;
    int lm = l % g, rm = r % g;
    // if(l + (g - lm) <= r) q.push_back({lm, g-1}), q.push_back({0, rm});
    // else q.push_back({lm, rm});
    all = all or (r - l + 1LL >= g);
    if(lm <= rm) q.push_back({lm, rm});
    else q.push_back({lm, g-1LL}), q.push_back({0, rm});
  }
 
 
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• 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