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Submission #833279

# Submission time Handle Problem Language Result Execution time Memory
833279 2023-08-22T04:02:11 Z vjudge1 Exam (eJOI20_exam) C++17
0 / 100
 1000 ms 708 KB 
#include <bits/stdc++.h>
using namespace std;

int n;
int h[100005];
int t[100005];
int dp[100005];

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    cin >> n;
    
    for (int i = 0; i < n; i++) {
        cin >> h[i];
    }
    
    for (int i = 0; i < n; i++) {
        cin >> t[i];
    }

    // subtask 3
    int ans = 0;
    dp[n] = 0;
    for (int i = n - 1; i >= 0; i--) {
        int maxx = 0, cnt = 0;
        map<int,int> mp;
        for (int j = i; j < n; j++) {
            mp[t[j]]++;
            dp[i] = max(dp[i], dp[j + 1] + mp[h[j]]);
        }
        ans = max(ans, dp[i]);
    }
    cout << ans << '\n';

    return 0;
}

Compilation message

exam.cpp: In function 'int main()':
exam.cpp:27:13: warning: unused variable 'maxx' [-Wunused-variable]
   27 |         int maxx = 0, cnt = 0;
      |             ^~~~
exam.cpp:27:23: warning: unused variable 'cnt' [-Wunused-variable]
   27 |         int maxx = 0, cnt = 0;
      |                       ^~~

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Incorrect 0 ms 212 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 24 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1092 ms 708 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Incorrect 0 ms 212 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Incorrect 0 ms 212 KB Output isn't correct
6 Halted 0 ms 0 KB -