oj.uz

Submission #140655

# Submission time Handle Problem Language Result Execution time Memory
140655 2019-08-04T09:29:28 Z rzbt K blocks (IZhO14_blocks) C++14
100 / 100
 178 ms 4176 KB 
#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define MAXN 100005
typedef long long ll;


using namespace std;

ll n,k;
ll niz[MAXN];
ll dpp[MAXN],dp[MAXN];
stack<pair<ll,ll> > s;


int main()
{
    scanf("%lld %lld", &n, &k);
    for(ll i=1;i<=n;i++)
        scanf("%lld",niz+i);
    dp[0]=dpp[0]=1e9;
    ll tmax=0;
    for(ll i=1;i<=n;i++){
        tmax=max(tmax,niz[i]);
        dpp[i]=tmax;
    }
    for(ll j=1;j<k;j++){
        //for(ll i=1;i<=n;i++)printf("    %d\n",dpp[i]);
        //printf("\n\n\n");
        for(ll i=1;i<=n;i++){
            ll tS = dpp[i-1];
            while(!s.empty() && niz[s.top().F] < niz[i]){
                tS=min(tS,s.top().S);
                s.pop();
            }
            if(!s.empty())dp[i]=min(dp[s.top().F],niz[i]+tS);
            else dp[i]=niz[i]+tS;
            s.push(mp(i,tS));
        }
        for(ll i=1;i<=n;i++)dpp[i]=dp[i];
        while(!s.empty())s.pop();
    }
    printf("%lld",dpp[n]);
    return 0;
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld %lld", &n, &k);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~
blocks.cpp:23:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld",niz+i);
         ~~~~~^~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 380 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 348 KB Output is correct
18 Correct 2 ms 380 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 504 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 372 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 364 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 632 KB Output is correct
2 Correct 8 ms 1400 KB Output is correct
3 Correct 12 ms 1656 KB Output is correct
4 Correct 46 ms 1656 KB Output is correct
5 Correct 127 ms 3320 KB Output is correct
6 Correct 21 ms 3320 KB Output is correct
7 Correct 69 ms 3320 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 380 KB Output is correct
14 Correct 18 ms 632 KB Output is correct
15 Correct 4 ms 632 KB Output is correct
16 Correct 7 ms 632 KB Output is correct
17 Correct 9 ms 1400 KB Output is correct
18 Correct 14 ms 1656 KB Output is correct
19 Correct 59 ms 1656 KB Output is correct
20 Correct 170 ms 3384 KB Output is correct
21 Correct 22 ms 3320 KB Output is correct
22 Correct 85 ms 3320 KB Output is correct
23 Correct 18 ms 2556 KB Output is correct
24 Correct 31 ms 3320 KB Output is correct
25 Correct 169 ms 3320 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 18 ms 632 KB Output is correct
29 Correct 4 ms 760 KB Output is correct
30 Correct 7 ms 760 KB Output is correct
31 Correct 8 ms 1400 KB Output is correct
32 Correct 12 ms 2040 KB Output is correct
33 Correct 58 ms 2040 KB Output is correct
34 Correct 178 ms 4176 KB Output is correct
35 Correct 20 ms 4088 KB Output is correct
36 Correct 87 ms 4088 KB Output is correct
37 Correct 4 ms 632 KB Output is correct
38 Correct 14 ms 632 KB Output is correct
39 Correct 2 ms 380 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 2 ms 380 KB Output is correct
42 Correct 2 ms 376 KB Output is correct