oj.uz

Submission #1089723

# Submission time Handle Problem Language Result Execution time Memory
1089723 2024-09-17T03:08:58 Z TooruLuoiDiHoc K blocks (IZhO14_blocks) C++14
100 / 100
 146 ms 42904 KB 
/*
Link: https://oj.uz/problem/submit/IZhO14_blocks
*/
#include <bits/stdc++.h>
#define MASK(k) (1LL << (k))
#define BIT(x, i) (((x) >> (i)) & 1)
#define __builtin_popcount __builtin_popcountll
#define __builtin_ctz __builtin_ctzll
#define For(i, a, b) for(int i = (int)(a); i <= (int)(b); ++i)
#define Fod(i, a, b) for(int i = (int)(a); i >= (int)(b); --i)
//#define int long long
#define ll long long
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
#define whole(a) a.begin(), a.end()
#define vi vector<int>
#define ii pair<int, int>
#define pb push_back
#define fi first
#define se second
#define gqt ""

template<class X, class Y>
bool minimize(X& x, const Y& y) {
    X eps = 1e-9;
    if (x > y + eps) {
        x = y;
        return true;
    }
    else return false;
}

template<class X, class Y>
bool maximize(X& x, const Y& y) {
    X eps = 1e-9;
    if (x + eps < y) {
        x = y;
        return true;
    }
    else return false;
}

template<class T>
T Abs(const T& x) {
    return (x < 0 ? -x : x);
}

const int INF = 1e9 + 7;
const ll oo = 1e18 + 7;
const int MAX = 1000005;
const int MOD = 1e9 + 7;

using namespace std;
int n, k, a[MAX], dp[105][100005];
void process(){
    cin >> n >> k;
    For(i, 1, n) cin >> a[i];
    memset(dp, 0x3f, sizeof(dp));
    dp[1][0] = 0;
    For(i, 1, n) dp[1][i] = max(dp[1][i - 1], a[i]);
    For(i, 2, k){
        stack<ii> st;
        For(j, i, n){
            int minF = dp[i - 1][j - 1];
            while(!st.empty() && a[st.top().se] <= a[j]){
                minimize(minF, st.top().fi);
                st.pop();
            }
            dp[i][j] = min(dp[i][st.empty() ? 0 : st.top().se], minF + a[j]);
            st.push(ii(minF, j));
        }
    }
    cout << dp[k][n];
}

signed main()
{
    fastio
    if (fopen(gqt".inp", "r")) {
        freopen(gqt".inp", "r", stdin);
        freopen(gqt".out", "w", stdout);
    }
    int Test = 1;
    while (Test--) {
        process();
    }
    return 0;
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:79:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   79 |         freopen(gqt".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:80:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   80 |         freopen(gqt".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 41308 KB Output is correct
2 Correct 16 ms 41472 KB Output is correct
3 Correct 15 ms 41564 KB Output is correct
4 Correct 15 ms 41320 KB Output is correct
5 Correct 15 ms 41528 KB Output is correct
6 Correct 15 ms 41432 KB Output is correct
7 Correct 15 ms 41308 KB Output is correct
8 Correct 21 ms 41308 KB Output is correct
9 Correct 15 ms 41336 KB Output is correct
10 Correct 15 ms 41512 KB Output is correct
11 Correct 15 ms 41564 KB Output is correct
12 Correct 20 ms 41476 KB Output is correct
13 Correct 15 ms 41564 KB Output is correct
14 Correct 16 ms 41552 KB Output is correct
15 Correct 15 ms 41308 KB Output is correct
16 Correct 18 ms 41308 KB Output is correct
17 Correct 17 ms 41560 KB Output is correct
18 Correct 16 ms 41308 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 41564 KB Output is correct
2 Correct 15 ms 41308 KB Output is correct
3 Correct 15 ms 41476 KB Output is correct
4 Correct 16 ms 41308 KB Output is correct
5 Correct 15 ms 41564 KB Output is correct
6 Correct 15 ms 41384 KB Output is correct
7 Correct 17 ms 41304 KB Output is correct
8 Correct 15 ms 41560 KB Output is correct
9 Correct 15 ms 41308 KB Output is correct
10 Correct 18 ms 41304 KB Output is correct
11 Correct 18 ms 41456 KB Output is correct
12 Correct 17 ms 41520 KB Output is correct
13 Correct 17 ms 41304 KB Output is correct
14 Correct 17 ms 41564 KB Output is correct
15 Correct 17 ms 41304 KB Output is correct
16 Correct 18 ms 41560 KB Output is correct
17 Correct 19 ms 41308 KB Output is correct
18 Correct 17 ms 41312 KB Output is correct
19 Correct 19 ms 41308 KB Output is correct
20 Correct 17 ms 41308 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 41308 KB Output is correct
2 Correct 16 ms 41472 KB Output is correct
3 Correct 15 ms 41564 KB Output is correct
4 Correct 15 ms 41320 KB Output is correct
5 Correct 15 ms 41528 KB Output is correct
6 Correct 15 ms 41432 KB Output is correct
7 Correct 15 ms 41308 KB Output is correct
8 Correct 21 ms 41308 KB Output is correct
9 Correct 15 ms 41336 KB Output is correct
10 Correct 15 ms 41512 KB Output is correct
11 Correct 15 ms 41564 KB Output is correct
12 Correct 20 ms 41476 KB Output is correct
13 Correct 15 ms 41564 KB Output is correct
14 Correct 16 ms 41552 KB Output is correct
15 Correct 15 ms 41308 KB Output is correct
16 Correct 18 ms 41308 KB Output is correct
17 Correct 17 ms 41560 KB Output is correct
18 Correct 16 ms 41308 KB Output is correct
19 Correct 15 ms 41564 KB Output is correct
20 Correct 15 ms 41308 KB Output is correct
21 Correct 15 ms 41476 KB Output is correct
22 Correct 16 ms 41308 KB Output is correct
23 Correct 15 ms 41564 KB Output is correct
24 Correct 15 ms 41384 KB Output is correct
25 Correct 17 ms 41304 KB Output is correct
26 Correct 15 ms 41560 KB Output is correct
27 Correct 15 ms 41308 KB Output is correct
28 Correct 18 ms 41304 KB Output is correct
29 Correct 18 ms 41456 KB Output is correct
30 Correct 17 ms 41520 KB Output is correct
31 Correct 17 ms 41304 KB Output is correct
32 Correct 17 ms 41564 KB Output is correct
33 Correct 17 ms 41304 KB Output is correct
34 Correct 18 ms 41560 KB Output is correct
35 Correct 19 ms 41308 KB Output is correct
36 Correct 17 ms 41312 KB Output is correct
37 Correct 19 ms 41308 KB Output is correct
38 Correct 17 ms 41308 KB Output is correct
39 Correct 16 ms 41560 KB Output is correct
40 Correct 18 ms 41384 KB Output is correct
41 Correct 16 ms 41308 KB Output is correct
42 Correct 16 ms 41312 KB Output is correct
43 Correct 18 ms 41296 KB Output is correct
44 Correct 18 ms 41296 KB Output is correct
45 Correct 17 ms 41308 KB Output is correct
46 Correct 18 ms 41420 KB Output is correct
47 Correct 17 ms 41308 KB Output is correct
48 Correct 18 ms 41364 KB Output is correct
49 Correct 17 ms 41336 KB Output is correct
50 Correct 17 ms 41560 KB Output is correct
51 Correct 18 ms 41308 KB Output is correct
52 Correct 18 ms 41556 KB Output is correct
53 Correct 17 ms 41304 KB Output is correct
54 Correct 16 ms 41308 KB Output is correct
55 Correct 19 ms 41416 KB Output is correct
56 Correct 17 ms 41564 KB Output is correct
57 Correct 18 ms 41308 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 41308 KB Output is correct
2 Correct 16 ms 41472 KB Output is correct
3 Correct 15 ms 41564 KB Output is correct
4 Correct 15 ms 41320 KB Output is correct
5 Correct 15 ms 41528 KB Output is correct
6 Correct 15 ms 41432 KB Output is correct
7 Correct 15 ms 41308 KB Output is correct
8 Correct 21 ms 41308 KB Output is correct
9 Correct 15 ms 41336 KB Output is correct
10 Correct 15 ms 41512 KB Output is correct
11 Correct 15 ms 41564 KB Output is correct
12 Correct 20 ms 41476 KB Output is correct
13 Correct 15 ms 41564 KB Output is correct
14 Correct 16 ms 41552 KB Output is correct
15 Correct 15 ms 41308 KB Output is correct
16 Correct 18 ms 41308 KB Output is correct
17 Correct 17 ms 41560 KB Output is correct
18 Correct 16 ms 41308 KB Output is correct
19 Correct 15 ms 41564 KB Output is correct
20 Correct 15 ms 41308 KB Output is correct
21 Correct 15 ms 41476 KB Output is correct
22 Correct 16 ms 41308 KB Output is correct
23 Correct 15 ms 41564 KB Output is correct
24 Correct 15 ms 41384 KB Output is correct
25 Correct 17 ms 41304 KB Output is correct
26 Correct 15 ms 41560 KB Output is correct
27 Correct 15 ms 41308 KB Output is correct
28 Correct 18 ms 41304 KB Output is correct
29 Correct 18 ms 41456 KB Output is correct
30 Correct 17 ms 41520 KB Output is correct
31 Correct 17 ms 41304 KB Output is correct
32 Correct 17 ms 41564 KB Output is correct
33 Correct 17 ms 41304 KB Output is correct
34 Correct 18 ms 41560 KB Output is correct
35 Correct 19 ms 41308 KB Output is correct
36 Correct 17 ms 41312 KB Output is correct
37 Correct 19 ms 41308 KB Output is correct
38 Correct 17 ms 41308 KB Output is correct
39 Correct 16 ms 41560 KB Output is correct
40 Correct 18 ms 41384 KB Output is correct
41 Correct 16 ms 41308 KB Output is correct
42 Correct 16 ms 41312 KB Output is correct
43 Correct 18 ms 41296 KB Output is correct
44 Correct 18 ms 41296 KB Output is correct
45 Correct 17 ms 41308 KB Output is correct
46 Correct 18 ms 41420 KB Output is correct
47 Correct 17 ms 41308 KB Output is correct
48 Correct 18 ms 41364 KB Output is correct
49 Correct 17 ms 41336 KB Output is correct
50 Correct 17 ms 41560 KB Output is correct
51 Correct 18 ms 41308 KB Output is correct
52 Correct 18 ms 41556 KB Output is correct
53 Correct 17 ms 41304 KB Output is correct
54 Correct 16 ms 41308 KB Output is correct
55 Correct 19 ms 41416 KB Output is correct
56 Correct 17 ms 41564 KB Output is correct
57 Correct 18 ms 41308 KB Output is correct
58 Correct 21 ms 41564 KB Output is correct
59 Correct 20 ms 42000 KB Output is correct
60 Correct 23 ms 41820 KB Output is correct
61 Correct 50 ms 41968 KB Output is correct
62 Correct 105 ms 42588 KB Output is correct
63 Correct 25 ms 42588 KB Output is correct
64 Correct 63 ms 42576 KB Output is correct
65 Correct 18 ms 41344 KB Output is correct
66 Correct 17 ms 41564 KB Output is correct
67 Correct 16 ms 41564 KB Output is correct
68 Correct 16 ms 41308 KB Output is correct
69 Correct 17 ms 41564 KB Output is correct
70 Correct 15 ms 41532 KB Output is correct
71 Correct 28 ms 41444 KB Output is correct
72 Correct 16 ms 41516 KB Output is correct
73 Correct 19 ms 41564 KB Output is correct
74 Correct 22 ms 41820 KB Output is correct
75 Correct 23 ms 41820 KB Output is correct
76 Correct 57 ms 42032 KB Output is correct
77 Correct 146 ms 42468 KB Output is correct
78 Correct 27 ms 42580 KB Output is correct
79 Correct 72 ms 42588 KB Output is correct
80 Correct 23 ms 42588 KB Output is correct
81 Correct 32 ms 42580 KB Output is correct
82 Correct 135 ms 42616 KB Output is correct
83 Correct 17 ms 41560 KB Output is correct
84 Correct 16 ms 41564 KB Output is correct
85 Correct 30 ms 41564 KB Output is correct
86 Correct 17 ms 41564 KB Output is correct
87 Correct 23 ms 41688 KB Output is correct
88 Correct 19 ms 41916 KB Output is correct
89 Correct 22 ms 41956 KB Output is correct
90 Correct 51 ms 42148 KB Output is correct
91 Correct 122 ms 42900 KB Output is correct
92 Correct 25 ms 42844 KB Output is correct
93 Correct 69 ms 42904 KB Output is correct
94 Correct 19 ms 41560 KB Output is correct
95 Correct 23 ms 41564 KB Output is correct
96 Correct 15 ms 41568 KB Output is correct
97 Correct 15 ms 41468 KB Output is correct
98 Correct 19 ms 41560 KB Output is correct
99 Correct 16 ms 41304 KB Output is correct