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Submission #381377

# Submission time Handle Problem Language Result Execution time Memory
381377 2021-03-25T07:06:33 Z IldarKA Doktor (COCI17_doktor) C++14
70 / 100
 624 ms 32492 KB 
#include <bits/stdc++.h>

using namespace std;
int n, a[500001];
map < pair < int, int >, int > m;
int main(){
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
        int len = abs(a[i] - i);
        m[{(len + 1) / 2 + min(a[i], i), max(a[i], i) - (len + 1) / 2}]++;
    }
    int l = -1, r = -1;
    int mx = -1;
    for(auto it : m){
        if(it.second > mx){
            mx = it.second;
            l = it.first.first;
            r = it.first.second;
        }
    }
    int mn = min(l - 1, n - r);
    cout << a[l - mn] << " " << a[r + mn];
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 504 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 364 KB Output is correct
2 Correct 2 ms 512 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 640 KB Output is correct
2 Correct 3 ms 492 KB Output is correct

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 876 KB Output is correct
2 Correct 95 ms 1516 KB Output is correct

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 72 ms 4844 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 624 ms 24812 KB Output is correct
2 Correct 166 ms 2412 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 314 ms 14700 KB Output is correct
2 Correct 290 ms 32492 KB Output is correct