oj.uz

Submission #872700

# Submission time Handle Problem Language Result Execution time Memory
872700 2023-11-13T15:17:19 Z nasam K blocks (IZhO14_blocks) C++17
100 / 100
 158 ms 81492 KB 
/*************************************
*       author: Pham Huy Khanh       *
*************************************/
#include <bits/stdc++.h>
#define ll long long
#define FOR(i,a,b) for (int i = (a), _b = (b); i <= _b; i++)
#define FOD(i,b,a) for (int i = (b), _a = (a); i >= _a; i--)
#define FORE(i, v) for (__typeof((v).begin()) i = (v).begin(); i != (v).end(); i++)
#define ALL(v) (v).begin(), (v).end()
#define BIT(x, i) (((x) >> (i)) & 1)
#define MASK(i) (1LL << (i))
#define CNTBIT(x) __builtin_popcount(x)
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define left ___left
#define right ___right
#define pii pair<int, int>
#define DEBUG(n, a) FOR (i, 1, n) cout << a[i] << ' '; cout << endl;
#define lob lower_bound // >=
#define upb upper_bound // >
#define endl "\n"

using namespace std;

template<class X, class Y> bool maximize(X &x, Y y){ if (x < y){ x = y; return true; } return false; }
template<class X, class Y> bool minimize(X &x, Y y){ if (x > y){ x = y; return true; } return false; }

#define  gogobruhbruh  ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
#define  file(name)  if (fopen (name".inp", "r")) { freopen (name".inp", "r", stdin); freopen (name".out", "w", stdout); }

const int MOD = 1e9 + 7;

void add(int &a, int b){ if ((a += b) >= MOD) a -= MOD; }
void sub(int &a, int b){ if ((a -= b) < 0) a += MOD - 1; }
int muti(int a, int b){ return (1LL * a * b) % MOD; }
int Pow(int x, int y){ int res = 1; for (; y; y >>= 1){ if (y & 1) res = muti(res, x); x = muti(x, x); } return res; }
int Pow2(int x, int y){ int res = 1; for (; y; y >>= 1){ if (y & 1) res = 1LL * res * x % (MOD - 1); x = 1LL * x * x % (MOD - 1); } return res; }

const int MAX = 1e5 + 2;
const int K = 1e2 + 2;
const int INF = 2e9 + 7;

int num, lim;
int val[MAX];
ll dp[MAX][K];
stack<pii> st;
 
void solve(){
    memset(dp, 0x3f, sizeof(dp));
    dp[0][0] = 0;
    FOR (j, 1, lim){
        while (st.size())
            st.pop();
        FOR (i, 1, num){
            ll Min = dp[i - 1][j - 1];
            while (st.size() && val[st.top().se] <= val[i])
                minimize(Min, st.top().fi),
                st.pop();
            int L = st.empty() ? 0 : st.top().se;
            dp[i][j] = min(dp[L][j], Min + val[i]);
            st.push({Min, i});
        }
    }
    cout << dp[num][lim];
}
 
void read(){
    cin >> num >> lim;
    FOR (i, 1, num)
        cin >> val[i];
}

int main(){
    gogobruhbruh;
    file("maxk");
    int test = 1;
//    cin >> test;
    while (test--)
        read(),
        solve();
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:31:61: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 | #define  file(name)  if (fopen (name".inp", "r")) { freopen (name".inp", "r", stdin); freopen (name".out", "w", stdout); }
      |                                                     ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:77:5: note: in expansion of macro 'file'
   77 |     file("maxk");
      |     ^~~~
blocks.cpp:31:95: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 | #define  file(name)  if (fopen (name".inp", "r")) { freopen (name".inp", "r", stdin); freopen (name".out", "w", stdout); }
      |                                                                                       ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:77:5: note: in expansion of macro 'file'
   77 |     file("maxk");
      |     ^~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 80476 KB Output is correct
2 Correct 10 ms 80592 KB Output is correct
3 Correct 10 ms 80472 KB Output is correct
4 Correct 10 ms 80476 KB Output is correct
5 Correct 10 ms 80524 KB Output is correct
6 Correct 10 ms 80476 KB Output is correct
7 Correct 10 ms 80524 KB Output is correct
8 Correct 10 ms 80472 KB Output is correct
9 Correct 10 ms 80476 KB Output is correct
10 Correct 10 ms 80592 KB Output is correct
11 Correct 10 ms 80472 KB Output is correct
12 Correct 10 ms 80644 KB Output is correct
13 Correct 10 ms 80476 KB Output is correct
14 Correct 9 ms 80476 KB Output is correct
15 Correct 10 ms 80584 KB Output is correct
16 Correct 10 ms 80472 KB Output is correct
17 Correct 9 ms 80476 KB Output is correct
18 Correct 10 ms 80524 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 80732 KB Output is correct
2 Correct 10 ms 80664 KB Output is correct
3 Correct 9 ms 80476 KB Output is correct
4 Correct 10 ms 80476 KB Output is correct
5 Correct 10 ms 80476 KB Output is correct
6 Correct 10 ms 80476 KB Output is correct
7 Correct 10 ms 80476 KB Output is correct
8 Correct 10 ms 80476 KB Output is correct
9 Correct 10 ms 80576 KB Output is correct
10 Correct 10 ms 80728 KB Output is correct
11 Correct 9 ms 80596 KB Output is correct
12 Correct 10 ms 80472 KB Output is correct
13 Correct 10 ms 80592 KB Output is correct
14 Correct 10 ms 80476 KB Output is correct
15 Correct 10 ms 80476 KB Output is correct
16 Correct 10 ms 80580 KB Output is correct
17 Correct 10 ms 80472 KB Output is correct
18 Correct 10 ms 80604 KB Output is correct
19 Correct 9 ms 80476 KB Output is correct
20 Correct 10 ms 80476 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 80476 KB Output is correct
2 Correct 10 ms 80592 KB Output is correct
3 Correct 10 ms 80472 KB Output is correct
4 Correct 10 ms 80476 KB Output is correct
5 Correct 10 ms 80524 KB Output is correct
6 Correct 10 ms 80476 KB Output is correct
7 Correct 10 ms 80524 KB Output is correct
8 Correct 10 ms 80472 KB Output is correct
9 Correct 10 ms 80476 KB Output is correct
10 Correct 10 ms 80592 KB Output is correct
11 Correct 10 ms 80472 KB Output is correct
12 Correct 10 ms 80644 KB Output is correct
13 Correct 10 ms 80476 KB Output is correct
14 Correct 9 ms 80476 KB Output is correct
15 Correct 10 ms 80584 KB Output is correct
16 Correct 10 ms 80472 KB Output is correct
17 Correct 9 ms 80476 KB Output is correct
18 Correct 10 ms 80524 KB Output is correct
19 Correct 11 ms 80732 KB Output is correct
20 Correct 10 ms 80664 KB Output is correct
21 Correct 9 ms 80476 KB Output is correct
22 Correct 10 ms 80476 KB Output is correct
23 Correct 10 ms 80476 KB Output is correct
24 Correct 10 ms 80476 KB Output is correct
25 Correct 10 ms 80476 KB Output is correct
26 Correct 10 ms 80476 KB Output is correct
27 Correct 10 ms 80576 KB Output is correct
28 Correct 10 ms 80728 KB Output is correct
29 Correct 9 ms 80596 KB Output is correct
30 Correct 10 ms 80472 KB Output is correct
31 Correct 10 ms 80592 KB Output is correct
32 Correct 10 ms 80476 KB Output is correct
33 Correct 10 ms 80476 KB Output is correct
34 Correct 10 ms 80580 KB Output is correct
35 Correct 10 ms 80472 KB Output is correct
36 Correct 10 ms 80604 KB Output is correct
37 Correct 9 ms 80476 KB Output is correct
38 Correct 10 ms 80476 KB Output is correct
39 Correct 10 ms 80476 KB Output is correct
40 Correct 10 ms 80476 KB Output is correct
41 Correct 10 ms 80672 KB Output is correct
42 Correct 10 ms 80472 KB Output is correct
43 Correct 10 ms 80476 KB Output is correct
44 Correct 9 ms 80588 KB Output is correct
45 Correct 10 ms 80472 KB Output is correct
46 Correct 10 ms 80476 KB Output is correct
47 Correct 10 ms 80536 KB Output is correct
48 Correct 10 ms 80476 KB Output is correct
49 Correct 10 ms 80600 KB Output is correct
50 Correct 9 ms 80476 KB Output is correct
51 Correct 10 ms 80476 KB Output is correct
52 Correct 9 ms 80476 KB Output is correct
53 Correct 10 ms 80476 KB Output is correct
54 Correct 10 ms 80472 KB Output is correct
55 Correct 9 ms 80476 KB Output is correct
56 Correct 10 ms 80476 KB Output is correct
57 Correct 9 ms 80632 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 80476 KB Output is correct
2 Correct 10 ms 80592 KB Output is correct
3 Correct 10 ms 80472 KB Output is correct
4 Correct 10 ms 80476 KB Output is correct
5 Correct 10 ms 80524 KB Output is correct
6 Correct 10 ms 80476 KB Output is correct
7 Correct 10 ms 80524 KB Output is correct
8 Correct 10 ms 80472 KB Output is correct
9 Correct 10 ms 80476 KB Output is correct
10 Correct 10 ms 80592 KB Output is correct
11 Correct 10 ms 80472 KB Output is correct
12 Correct 10 ms 80644 KB Output is correct
13 Correct 10 ms 80476 KB Output is correct
14 Correct 9 ms 80476 KB Output is correct
15 Correct 10 ms 80584 KB Output is correct
16 Correct 10 ms 80472 KB Output is correct
17 Correct 9 ms 80476 KB Output is correct
18 Correct 10 ms 80524 KB Output is correct
19 Correct 11 ms 80732 KB Output is correct
20 Correct 10 ms 80664 KB Output is correct
21 Correct 9 ms 80476 KB Output is correct
22 Correct 10 ms 80476 KB Output is correct
23 Correct 10 ms 80476 KB Output is correct
24 Correct 10 ms 80476 KB Output is correct
25 Correct 10 ms 80476 KB Output is correct
26 Correct 10 ms 80476 KB Output is correct
27 Correct 10 ms 80576 KB Output is correct
28 Correct 10 ms 80728 KB Output is correct
29 Correct 9 ms 80596 KB Output is correct
30 Correct 10 ms 80472 KB Output is correct
31 Correct 10 ms 80592 KB Output is correct
32 Correct 10 ms 80476 KB Output is correct
33 Correct 10 ms 80476 KB Output is correct
34 Correct 10 ms 80580 KB Output is correct
35 Correct 10 ms 80472 KB Output is correct
36 Correct 10 ms 80604 KB Output is correct
37 Correct 9 ms 80476 KB Output is correct
38 Correct 10 ms 80476 KB Output is correct
39 Correct 10 ms 80476 KB Output is correct
40 Correct 10 ms 80476 KB Output is correct
41 Correct 10 ms 80672 KB Output is correct
42 Correct 10 ms 80472 KB Output is correct
43 Correct 10 ms 80476 KB Output is correct
44 Correct 9 ms 80588 KB Output is correct
45 Correct 10 ms 80472 KB Output is correct
46 Correct 10 ms 80476 KB Output is correct
47 Correct 10 ms 80536 KB Output is correct
48 Correct 10 ms 80476 KB Output is correct
49 Correct 10 ms 80600 KB Output is correct
50 Correct 9 ms 80476 KB Output is correct
51 Correct 10 ms 80476 KB Output is correct
52 Correct 9 ms 80476 KB Output is correct
53 Correct 10 ms 80476 KB Output is correct
54 Correct 10 ms 80472 KB Output is correct
55 Correct 9 ms 80476 KB Output is correct
56 Correct 10 ms 80476 KB Output is correct
57 Correct 9 ms 80632 KB Output is correct
58 Correct 13 ms 80732 KB Output is correct
59 Correct 13 ms 80724 KB Output is correct
60 Correct 16 ms 80732 KB Output is correct
61 Correct 51 ms 80732 KB Output is correct
62 Correct 125 ms 81356 KB Output is correct
63 Correct 19 ms 81316 KB Output is correct
64 Correct 69 ms 81364 KB Output is correct
65 Correct 10 ms 80476 KB Output is correct
66 Correct 10 ms 80476 KB Output is correct
67 Correct 10 ms 80476 KB Output is correct
68 Correct 10 ms 80476 KB Output is correct
69 Correct 10 ms 80600 KB Output is correct
70 Correct 10 ms 80476 KB Output is correct
71 Correct 23 ms 80680 KB Output is correct
72 Correct 11 ms 80732 KB Output is correct
73 Correct 14 ms 80728 KB Output is correct
74 Correct 14 ms 80732 KB Output is correct
75 Correct 18 ms 80732 KB Output is correct
76 Correct 64 ms 80704 KB Output is correct
77 Correct 158 ms 81352 KB Output is correct
78 Correct 21 ms 81120 KB Output is correct
79 Correct 79 ms 81232 KB Output is correct
80 Correct 17 ms 81240 KB Output is correct
81 Correct 32 ms 81236 KB Output is correct
82 Correct 153 ms 81360 KB Output is correct
83 Correct 10 ms 80476 KB Output is correct
84 Correct 10 ms 80476 KB Output is correct
85 Correct 21 ms 80732 KB Output is correct
86 Correct 10 ms 80728 KB Output is correct
87 Correct 13 ms 80732 KB Output is correct
88 Correct 13 ms 80936 KB Output is correct
89 Correct 16 ms 80988 KB Output is correct
90 Correct 52 ms 80988 KB Output is correct
91 Correct 138 ms 81492 KB Output is correct
92 Correct 19 ms 81492 KB Output is correct
93 Correct 70 ms 81492 KB Output is correct
94 Correct 10 ms 80984 KB Output is correct
95 Correct 21 ms 80476 KB Output is correct
96 Correct 11 ms 80476 KB Output is correct
97 Correct 10 ms 80476 KB Output is correct
98 Correct 10 ms 80476 KB Output is correct
99 Correct 10 ms 80652 KB Output is correct