Submission #781684

#	Time	Username	Problem	Language	Result	Execution time	Memory
781684		andecaandeci	Strange Device (APIO19_strange_device)	C++17	0 / 100	253 ms	15912 KiB

strange_device

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define endl "\n"
#define pii pair<ll,ll>
#define pb push_back
#define vi vector<ll>
#define pque priority_queue
#define pqueg priority_queue<ll,vector<ll>,greater<ll>>
#define que queue<ll>
#define FOR(m,i,n) for(int i=(m); i<=(n); i++)
#define FORM(m,i,n) for(int i=(m); i>=(n); i--)
ll n;
ll l[1000100],r[1000100];
ll a,b,ans;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cin >> n >> a >> b;
  FOR(1,i,n) {
    cin >> l[i] >> r[i];
  }
  if(b == 1) {
    FOR(1,i,n) {
      if(a % 2 == 1) {
        ans += min(r[i]-l[i]+1,a);
      }
      else {
        ans += min(r[i]-l[i]+1,a/2);
      }
    }
    cout << ans << endl;
  }
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 30