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Submission #489502

# Submission time Handle Problem Language Result Execution time Memory
489502 2021-11-23T04:28:22 Z wiwiho Triple Jump (JOI19_jumps) C++14
0 / 100
 281 ms 524292 KB 
#include<bits/stdc++.h>

#define mp make_pair
#define F first
#define S second
#define printv(a, b) { \
    for(auto pv : a) b << pv << " "; \
    b << "\n";\
}
#define eb emplace_back

using namespace std;

typedef long long ll;

using pii = pair<int, int>;
using pll = pair<ll, ll>;

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

    int n;
    cin >> n;

    vector<ll> a(n + 1);
    for(int i = 1; i <= n; i++) cin >> a[i];

    vector<vector<ll>> dp(n + 1, vector<ll>(n + 1));

    for(int i = 1; i + 2 <= n; i++){
        ll mx = a[i + 1];
        int p = i + 1;
        for(int j = i + 2; j <= n; j++){
            while(p + 1 - i <= j - p - 1){
                mx = max(mx, a[p]);
                p++;
            }
            dp[i][j] = a[i] + a[j] + mx;
        }
    }

    for(int len = 3; len <= n; len++){
        for(int i = 1; i + len <= n; i++){
            int j = i + len;
            dp[i][j] = max({dp[i][j], dp[i][j - 1], dp[i + 1][j]});
        }
    }
    
    int q;
    cin >> q;
    while(q--){
        int l, r;
        cin >> l >> r;
        cout << dp[l][r] << "\n";
    }

    return 0;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 1 ms 332 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 1 ms 332 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Runtime error 281 ms 524292 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 54.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Incorrect 1 ms 332 KB Output isn't correct
3 Halted 0 ms 0 KB -