Submission #405924

#	Time	Username	Problem	Language	Result	Execution time	Memory
405924		working05	Bitwise (BOI06_bitwise)	C++17	0 / 100	1 ms	320 KiB

bitwise

#include <bits/stdc++.h>
#define int long long
using namespace std;

signed main(){
   ios_base::sync_with_stdio(false);
   cin.tie(0);
   int n, p; cin >> n >> p;
   vector<int> a(p);
   vector<pair<int, int>> b(n);
   for(int i = 0; i < p; ++i){
      cin >> a[i];
   }
   for(int i = 0; i < n; ++i){
      cin >> b[i].first >> b[i].second;
   }
   int ans = 0;
   for(int i = (1ll << 32); i; i >>= 1){
      int f = 1;
      int pos = 0;
      for(int j = 0; j < p; ++j){
         int yes = 0;
         for(int k = 0; k < a[j]; ++k){
            if(b[pos].first <= i && b[pos].second >= i){
               yes = 1;
            }
            ++pos;
         }
         if(!yes){
            f = 0;
            break;
         }
      }
      if(f){
         ans |= i;
      }
   }
   cout << ans;
   return 0;
}

• Subtask 1: 0 / 100