oj.uz

Submission #911429

# Submission time Handle Problem Language Result Execution time Memory
911429 2024-01-18T22:34:08 Z andro Exhibition (JOI19_ho_t2) C++14
0 / 100
 1 ms 352 KB 
#include <bits/stdc++.h>

#define int long long

#define double long double

using namespace std;

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n, m;
    cin >> n >> m;
    vector<pair<int,int>> a(n + 1);
    for(int i = 1; i <= n; i++) {
        cin >> a[i].first >> a[i].second;
    }
    vector<int> b(m + 1);
    for(int i = 1; i <= m; i++) {
        cin >> b[i];
    }
    // vel b rastujuce ide
    // a[i].second takodje rastujuce uzimam
    sort(b.begin() + 1, b.end());
    sort(a.begin() + 1, a.end());
    vector<int> dp(n + 1);
    for(int i = 1; i <= n; i++) {
        dp[i] = 1;
    }
    for(int i = 1; i <= n; i++) {
        for(int j = i - 1; j > 0; j--) {
            if(a[i].second <= a[j].second) {
                dp[i] = max(dp[j] + 1, dp[i]);
            }
        }
    }
    int ans = 0;
    for(int i = 1; i <= m; i++) {
        int idx = 0;
        for(int j = 1; j <= n; j++) {
            if(a[j].first <= b[i]) {
                ans = max(ans, min(dp[j], i));
            }
        }
    }
    cout << ans;
}

Compilation message

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:39:13: warning: unused variable 'idx' [-Wunused-variable]
   39 |         int idx = 0;
      |             ^~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 352 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -