oj.uz

Submission #573512

# Submission time Handle Problem Language Result Execution time Memory
573512 2022-06-06T18:25:29 Z Soul234 K blocks (IZhO14_blocks) C++14
100 / 100
 276 ms 84172 KB 
#include<bits/stdc++.h>
using namespace std;

void DBG() { cerr << "]\n"; }
template<class H, class... T> void DBG(H h, T... t) {
    cerr << h; if(sizeof...(t)) cerr << ", ";
    DBG(t...);
}
#ifdef LOCAL
#define dbg(...) cerr << "[" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__)
#else
#define dbg(...) 0
#endif // LOCAL

#define FOR(i,a,b) for(int i = (a) ; i<(b) ; i++)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for(int i = (b)-1 ; i>=(a) ; i--)
#define R0F(i,a) ROF(i,0,a)
#define each(e,a) for(auto &e : (a))
#define sz(v) (int)(v).size()
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pb push_back
#define tcT template<class T
#define nl "\n"

using ll = long long;
using vi = vector<int>;
using pi = pair<int,int>;
using str = string;
tcT> using V = vector<T>;
tcT> using pqg = priority_queue<T,vector<T>,greater<T>>;

void setIO(string NAME = "") {
    cin.tie(0)->sync_with_stdio(0);
    if(sz(NAME)) {
        freopen((NAME + ".inp").c_str(),"r",stdin);
        freopen((NAME + ".out").c_str(),"w",stdout);
    }
}

tcT> bool ckmin(T&a, const T&b) {
    return b < a ? a=b,1 : 0; }
tcT> bool ckmax(T&a, const T&b) {
    return b > a ? a=b,1 : 0; }

const int MOD = 1e9 + 7;

const int MX = 1e5+5;
int N, K, A[MX];
ll dp[MX][105];

void solve() {
    cin>>N>>K;
    FOR(i,1,N+1) {
        cin>>A[i];
        dp[i][1] = A[i];
        if(i>1 && dp[i][1] < dp[i-1][1]) dp[i][1] = dp[i-1][1];
    }
    FOR(j,2,K+1) {
        stack<array<ll,2>> st;
        FOR(i,j,N+1) {
            ll x = dp[i-1][j-1];
            while(sz(st) && st.top()[0] <= A[i]) {
                ckmin(x, st.top()[1]);
                st.pop();
            }
            if(st.empty() || x + A[i] < st.top()[0] + st.top()[1]) st.push({A[i], x});
            dp[i][j] = st.top()[0] + st.top()[1];
        }
    }
    cout << dp[N][K] << nl;
}

int main() {
    setIO();

    int t=1;
    //cin>>t;
    while(t-->0) {
        solve();
    }

    return 0;
}

Compilation message

blocks.cpp: In function 'void setIO(std::string)':
blocks.cpp:37:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |         freopen((NAME + ".inp").c_str(),"r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:38:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |         freopen((NAME + ".out").c_str(),"w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 332 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 328 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 332 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 0 ms 328 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 328 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 260 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 0 ms 328 KB Output is correct
50 Correct 0 ms 328 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 0 ms 340 KB Output is correct
56 Correct 0 ms 336 KB Output is correct
57 Correct 1 ms 332 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 0 ms 332 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 0 ms 328 KB Output is correct
34 Correct 1 ms 336 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 328 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 260 KB Output is correct
42 Correct 0 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 0 ms 328 KB Output is correct
50 Correct 0 ms 328 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 0 ms 340 KB Output is correct
56 Correct 0 ms 336 KB Output is correct
57 Correct 1 ms 332 KB Output is correct
58 Correct 7 ms 8664 KB Output is correct
59 Correct 17 ms 37340 KB Output is correct
60 Correct 21 ms 37212 KB Output is correct
61 Correct 53 ms 37332 KB Output is correct
62 Correct 214 ms 83604 KB Output is correct
63 Correct 44 ms 83492 KB Output is correct
64 Correct 115 ms 83580 KB Output is correct
65 Correct 1 ms 340 KB Output is correct
66 Correct 0 ms 340 KB Output is correct
67 Correct 1 ms 340 KB Output is correct
68 Correct 0 ms 340 KB Output is correct
69 Correct 1 ms 1108 KB Output is correct
70 Correct 1 ms 1108 KB Output is correct
71 Correct 15 ms 8672 KB Output is correct
72 Correct 5 ms 8660 KB Output is correct
73 Correct 7 ms 8660 KB Output is correct
74 Correct 17 ms 37236 KB Output is correct
75 Correct 22 ms 37212 KB Output is correct
76 Correct 53 ms 37324 KB Output is correct
77 Correct 228 ms 83572 KB Output is correct
78 Correct 42 ms 83532 KB Output is correct
79 Correct 128 ms 83572 KB Output is correct
80 Correct 38 ms 83536 KB Output is correct
81 Correct 55 ms 83456 KB Output is correct
82 Correct 226 ms 83480 KB Output is correct
83 Correct 1 ms 1108 KB Output is correct
84 Correct 1 ms 1108 KB Output is correct
85 Correct 18 ms 8660 KB Output is correct
86 Correct 6 ms 8660 KB Output is correct
87 Correct 8 ms 8660 KB Output is correct
88 Correct 17 ms 37336 KB Output is correct
89 Correct 22 ms 37572 KB Output is correct
90 Correct 67 ms 37584 KB Output is correct
91 Correct 276 ms 84160 KB Output is correct
92 Correct 43 ms 84100 KB Output is correct
93 Correct 139 ms 84172 KB Output is correct
94 Correct 4 ms 8660 KB Output is correct
95 Correct 14 ms 8672 KB Output is correct
96 Correct 1 ms 1108 KB Output is correct
97 Correct 1 ms 1236 KB Output is correct
98 Correct 1 ms 260 KB Output is correct
99 Correct 0 ms 340 KB Output is correct