Submission #557557

#	Time	Username	Problem	Language	Result	Execution time	Memory
557557		Mounir	Inside information (BOI21_servers)	C++14	0 / 100	221 ms	844 KiB

servers

#include <bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define sz(x) (int)x.size()
#define pb push_back
#define pii pair<int, int>
#define chmin(x, v) x = min(x, v)
#define chmax(x, v) x = max(x, v)
#define print(x) cout << #x << " est " << x << endl;
#define x first
#define y second
#define int long long
using namespace std;
 
const int N = 2e5;
int date[N];
 
signed main(){  
      int nServs, nReqs; cin >> nServs >> nReqs;
      int ip = 1;
      nReqs += nServs - 1;
      while (nReqs--){
            char t; cin >> t;
            if (t == 'S'){
                  int a, b; cin >> a >> b;
                  date[max(a, b)] = ip++;
            }
            else if (t == 'Q'){
                  int a, d; cin >> a >> d;
                  if (date[d] <= date[a] && (date[a] != 0 && date[d] != 0)) cout << "yes" << endl;
                  else cout << "no" << endl;
            }
            else {
                  int d; cin >> d;
                  if (date[d] != 0)
                        cout << ip - date[d] + 1 << endl;
                  else
                        cout << 1 << endl;
            }
      }
      return 0;   
}

• Subtask 1: 0 / 2.5
• Subtask 2: 0 / 2.5
• Subtask 3: 0 / 2.5
• Subtask 4: 0 / 2.5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 5
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 12.5
• Subtask 10: 0 / 12.5
• Subtask 11: 0 / 17.5
• Subtask 12: 0 / 17.5