oj.uz

Submission #1119640

# Submission time Handle Problem Language Result Execution time Memory
1119640 2024-11-27T08:57:08 Z luvna K blocks (IZhO14_blocks) C++14
53 / 100
 1000 ms 79572 KB 
#include<bits/stdc++.h>

#define MASK(i) (1 << (i))
#define pub push_back
#define all(v) v.begin(), v.end()
#define compact(v) v.erase(unique(all(v)), end(v))
#define pii pair<int,int>
#define fi first
#define se second
#define endl "\n"
#define sz(v) (int)(v).size()
#define dbg(x) "[" #x " = " << (x) << "]"
#define int long long

using namespace std;

template<class T> bool minimize(T& a, T b){if(a > b) return a = b, true;return false;}
template<class T> bool maximize(T& a, T b){if(a < b) return a = b, true;return false;}

typedef long long ll;
typedef long double ld;

mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
ll rand(ll l, ll r){return uniform_int_distribution<ll>(l, r)(rng);}

const int N = 1e5 + 15;
const int MOD = 1e9 + 7;

int n, k;
int dp[N][101];

void solve(){
    cin >> n >> k;

    vector<int> a(n + 15, 0);

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

    memset(dp, 0x3f, sizeof(dp));

    dp[0][0] = 0;

    for(int K = 1; K <= k; K++){
        for(int i = 1; i <= n; i++){
            int mx = a[i];
            for(int j = i; j >= 1; j--){
                maximize(mx, a[j]);
                minimize(dp[i][K], dp[j-1][K-1] + mx);
            }
        }
    }

    cout << dp[n][k];
}

signed main(){
    ios_base::sync_with_stdio(NULL);
    cin.tie(0); cout.tie(0);

    #define task "task"

    if(fopen(task".INP", "r")){
        freopen(task".INP", "r", stdin);
        freopen(task".OUT", "w", stdout);
    }

    int t; t = 1; //cin >> t;
    while(t--) solve();
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:63:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   63 |         freopen(task".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:64:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   64 |         freopen(task".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 79372 KB Output is correct
2 Correct 64 ms 79296 KB Output is correct
3 Correct 63 ms 79432 KB Output is correct
4 Correct 65 ms 79432 KB Output is correct
5 Correct 62 ms 79384 KB Output is correct
6 Correct 57 ms 79572 KB Output is correct
7 Correct 55 ms 79436 KB Output is correct
8 Correct 52 ms 79436 KB Output is correct
9 Correct 57 ms 79444 KB Output is correct
10 Correct 67 ms 79440 KB Output is correct
11 Correct 61 ms 79324 KB Output is correct
12 Correct 60 ms 79436 KB Output is correct
13 Correct 62 ms 79320 KB Output is correct
14 Correct 60 ms 79284 KB Output is correct
15 Correct 63 ms 79436 KB Output is correct
16 Correct 56 ms 79308 KB Output is correct
17 Correct 58 ms 79436 KB Output is correct
18 Correct 61 ms 79436 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 79432 KB Output is correct
2 Correct 59 ms 79496 KB Output is correct
3 Correct 62 ms 79364 KB Output is correct
4 Correct 58 ms 79432 KB Output is correct
5 Correct 68 ms 79432 KB Output is correct
6 Correct 65 ms 79400 KB Output is correct
7 Correct 60 ms 79436 KB Output is correct
8 Correct 61 ms 79436 KB Output is correct
9 Correct 66 ms 79436 KB Output is correct
10 Correct 59 ms 79308 KB Output is correct
11 Correct 59 ms 79516 KB Output is correct
12 Correct 52 ms 79376 KB Output is correct
13 Correct 54 ms 79444 KB Output is correct
14 Correct 60 ms 79436 KB Output is correct
15 Correct 56 ms 79436 KB Output is correct
16 Correct 55 ms 79320 KB Output is correct
17 Correct 55 ms 79436 KB Output is correct
18 Correct 59 ms 79436 KB Output is correct
19 Correct 53 ms 79380 KB Output is correct
20 Correct 60 ms 79340 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 79372 KB Output is correct
2 Correct 64 ms 79296 KB Output is correct
3 Correct 63 ms 79432 KB Output is correct
4 Correct 65 ms 79432 KB Output is correct
5 Correct 62 ms 79384 KB Output is correct
6 Correct 57 ms 79572 KB Output is correct
7 Correct 55 ms 79436 KB Output is correct
8 Correct 52 ms 79436 KB Output is correct
9 Correct 57 ms 79444 KB Output is correct
10 Correct 67 ms 79440 KB Output is correct
11 Correct 61 ms 79324 KB Output is correct
12 Correct 60 ms 79436 KB Output is correct
13 Correct 62 ms 79320 KB Output is correct
14 Correct 60 ms 79284 KB Output is correct
15 Correct 63 ms 79436 KB Output is correct
16 Correct 56 ms 79308 KB Output is correct
17 Correct 58 ms 79436 KB Output is correct
18 Correct 61 ms 79436 KB Output is correct
19 Correct 71 ms 79432 KB Output is correct
20 Correct 59 ms 79496 KB Output is correct
21 Correct 62 ms 79364 KB Output is correct
22 Correct 58 ms 79432 KB Output is correct
23 Correct 68 ms 79432 KB Output is correct
24 Correct 65 ms 79400 KB Output is correct
25 Correct 60 ms 79436 KB Output is correct
26 Correct 61 ms 79436 KB Output is correct
27 Correct 66 ms 79436 KB Output is correct
28 Correct 59 ms 79308 KB Output is correct
29 Correct 59 ms 79516 KB Output is correct
30 Correct 52 ms 79376 KB Output is correct
31 Correct 54 ms 79444 KB Output is correct
32 Correct 60 ms 79436 KB Output is correct
33 Correct 56 ms 79436 KB Output is correct
34 Correct 55 ms 79320 KB Output is correct
35 Correct 55 ms 79436 KB Output is correct
36 Correct 59 ms 79436 KB Output is correct
37 Correct 53 ms 79380 KB Output is correct
38 Correct 60 ms 79340 KB Output is correct
39 Correct 59 ms 79316 KB Output is correct
40 Correct 53 ms 79436 KB Output is correct
41 Correct 56 ms 79436 KB Output is correct
42 Correct 54 ms 79312 KB Output is correct
43 Correct 54 ms 79416 KB Output is correct
44 Correct 53 ms 79444 KB Output is correct
45 Correct 54 ms 79416 KB Output is correct
46 Correct 61 ms 79404 KB Output is correct
47 Correct 55 ms 79436 KB Output is correct
48 Correct 60 ms 79436 KB Output is correct
49 Correct 58 ms 79444 KB Output is correct
50 Correct 55 ms 79420 KB Output is correct
51 Correct 58 ms 79432 KB Output is correct
52 Correct 66 ms 79352 KB Output is correct
53 Correct 69 ms 79404 KB Output is correct
54 Correct 58 ms 79324 KB Output is correct
55 Correct 68 ms 79436 KB Output is correct
56 Correct 65 ms 79436 KB Output is correct
57 Correct 65 ms 79388 KB Output is correct

Subtask #4
0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 79372 KB Output is correct
2 Correct 64 ms 79296 KB Output is correct
3 Correct 63 ms 79432 KB Output is correct
4 Correct 65 ms 79432 KB Output is correct
5 Correct 62 ms 79384 KB Output is correct
6 Correct 57 ms 79572 KB Output is correct
7 Correct 55 ms 79436 KB Output is correct
8 Correct 52 ms 79436 KB Output is correct
9 Correct 57 ms 79444 KB Output is correct
10 Correct 67 ms 79440 KB Output is correct
11 Correct 61 ms 79324 KB Output is correct
12 Correct 60 ms 79436 KB Output is correct
13 Correct 62 ms 79320 KB Output is correct
14 Correct 60 ms 79284 KB Output is correct
15 Correct 63 ms 79436 KB Output is correct
16 Correct 56 ms 79308 KB Output is correct
17 Correct 58 ms 79436 KB Output is correct
18 Correct 61 ms 79436 KB Output is correct
19 Correct 71 ms 79432 KB Output is correct
20 Correct 59 ms 79496 KB Output is correct
21 Correct 62 ms 79364 KB Output is correct
22 Correct 58 ms 79432 KB Output is correct
23 Correct 68 ms 79432 KB Output is correct
24 Correct 65 ms 79400 KB Output is correct
25 Correct 60 ms 79436 KB Output is correct
26 Correct 61 ms 79436 KB Output is correct
27 Correct 66 ms 79436 KB Output is correct
28 Correct 59 ms 79308 KB Output is correct
29 Correct 59 ms 79516 KB Output is correct
30 Correct 52 ms 79376 KB Output is correct
31 Correct 54 ms 79444 KB Output is correct
32 Correct 60 ms 79436 KB Output is correct
33 Correct 56 ms 79436 KB Output is correct
34 Correct 55 ms 79320 KB Output is correct
35 Correct 55 ms 79436 KB Output is correct
36 Correct 59 ms 79436 KB Output is correct
37 Correct 53 ms 79380 KB Output is correct
38 Correct 60 ms 79340 KB Output is correct
39 Correct 59 ms 79316 KB Output is correct
40 Correct 53 ms 79436 KB Output is correct
41 Correct 56 ms 79436 KB Output is correct
42 Correct 54 ms 79312 KB Output is correct
43 Correct 54 ms 79416 KB Output is correct
44 Correct 53 ms 79444 KB Output is correct
45 Correct 54 ms 79416 KB Output is correct
46 Correct 61 ms 79404 KB Output is correct
47 Correct 55 ms 79436 KB Output is correct
48 Correct 60 ms 79436 KB Output is correct
49 Correct 58 ms 79444 KB Output is correct
50 Correct 55 ms 79420 KB Output is correct
51 Correct 58 ms 79432 KB Output is correct
52 Correct 66 ms 79352 KB Output is correct
53 Correct 69 ms 79404 KB Output is correct
54 Correct 58 ms 79324 KB Output is correct
55 Correct 68 ms 79436 KB Output is correct
56 Correct 65 ms 79436 KB Output is correct
57 Correct 65 ms 79388 KB Output is correct
58 Execution timed out 1046 ms 79436 KB Time limit exceeded
59 Halted 0 ms 0 KB -