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Submission #687608

# Submission time Handle Problem Language Result Execution time Memory
687608 2023-01-26T16:04:49 Z Rares CONSUL (info1cup19_consul) C++14
100 / 100
 24 ms 208 KB 
#include <bits/stdc++.h>
//#include <grader.h>
using namespace std;

int kth(int i);
int cnt(int x);
void say_answer(int a);

void solve (int N){
    int op=0;
    srand (time (0));
    vector <int> a;
    while (1){
        int x=kth (rand ()%N+1);
        op++;
        if (op>=49){
            say_answer (-1);
            return;
        }
        bool ok=0;
        for (int i=0;i<int (a.size ());++i){
            if (a[i]==x){
                ok=1;
                break;
            }
        }
        if (ok==0){
            a.push_back (x);
            int f=cnt (x);
            op++;
            if (f>N/3){
                say_answer (x);
                return;
            }
            if (op>=49){
                say_answer (-1);
                return;
            }
        }
    }
    return;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 208 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 208 KB Output is correct
2 Correct 6 ms 208 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 208 KB Output is correct
2 Correct 16 ms 208 KB Output is correct
3 Correct 7 ms 208 KB Output is correct
4 Correct 6 ms 208 KB Output is correct
5 Correct 19 ms 208 KB Output is correct
6 Correct 17 ms 208 KB Output is correct
7 Correct 19 ms 208 KB Output is correct
8 Correct 18 ms 208 KB Output is correct
9 Correct 20 ms 208 KB Output is correct
10 Correct 20 ms 208 KB Output is correct
11 Correct 17 ms 208 KB Output is correct
12 Correct 19 ms 208 KB Output is correct
13 Correct 24 ms 208 KB Output is correct
14 Correct 15 ms 208 KB Output is correct