Submission #381732

#	Time	Username	Problem	Language	Result	Execution time	Memory
381732		mohamedsobhi777	Fortune Telling 2 (JOI14_fortune_telling2)	C++14	4 / 100	3072 ms	620 KiB

fortune_telling2

#include <bits/stdc++.h>

using namespace std;

#define vi vector<int>
#define vll vector<ll>
#define vii vector<pair<int, int>>
#define pii pair<int, int>
#define pll pair<ll, ll>
#define loop(_) for (int __ = 0; __ < (_); ++__)
#define pb push_back
#define f first
#define s second
#define sz(_) ((int)_.size())
#define all(_) _.begin(), _.end()
#define lb lower_bound
#define ub upper_bound

using ll = long long;
using ld = long double;

const int N = 1e5 + 7;
const ll mod = 1e9 + 7;

int n, k;

int main()
{
       ios_base::sync_with_stdio(0);
       cin.tie(0);
#ifndef ONLINE_JUDGE
#endif
       cin >> n >> k;
       vii a(n);
       for (int i = 0; i < n; ++i)
              cin >> a[i].f >> a[i].s;
       vi b(k);
       for (auto &u : b)
              cin >> u;
       ll sum = 0;
       for (int i = 0; i < n; ++i)
       {
              ll L = min(a[i].f, a[i].s);
              ll R = max(a[i].f, a[i].s);
              int lst = -1;
              int cnt = 0;
              bool flag = 0;
              for (int j = 0; j < k; ++j)
              {
                     if (b[j] >= L && b[j] < R)
                     {
                            lst = j;
                            cnt = 0;
                            flag = 1;
                     }
                     else if (b[j] >= R)
                     {
                            ++cnt;
                     }
              }
              if (flag)
              {
                     if (a[i].f < a[i].s)
                            swap(a[i].f, a[i].s);
              }

              if (cnt & 1)
                     swap(a[i].f, a[i].s);

              sum += a[i].f;
       }
       cout << sum;
       return 0;
}

Compilation message (stderr)

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:45:19: warning: variable 'lst' set but not used [-Wunused-but-set-variable]
   45 |               int lst = -1;
      |                   ^~~

• Subtask 1: 4 / 4
• Subtask 2: 0 / 31
• Subtask 3: 0 / 65