oj.uz

Submission #671975

# Submission time Handle Problem Language Result Execution time Memory
671975 2022-12-14T13:44:17 Z ReLice K blocks (IZhO14_blocks) C++14
100 / 100
 168 ms 80636 KB 
#include<bits/stdc++.h>
using namespace std;
#define endl "\n"
#define ll long long
#define ld long double
#define int long long
#define pb push_back
#define sz size()
#define fr first
#define sc second
void start(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
}
const ll N=1e5+1;
const ll inf=1e9+7;
ll dp[105][N];
main(){
    start();
    ll n,k,i,j,b,mx=-1;
    cin>>n>>k;
    ll a[n+5];
	for(i=1;i<=n;i++) cin>>a[i];
	for(i=1;i<=n;i++) dp[1][i]=max(dp[1][i-1],a[i]);
	for(i=2;i<=k;i++)
		for(j=1;j<=n;j++)
			dp[i][j]=inf;
	for(i=2;i<=k;i++){
		stack<pair<ll,ll>> st;
		for(j=i;j<=n;j++){
			ll tmp=dp[i-1][j-1];
			while(!st.empty() && (st.top().fr<=a[j])){
				tmp=min(tmp,st.top().sc);
				st.pop();
			}
			if(st.empty() || st.top().fr+st.top().sc>=tmp+a[j])
				st.push({a[j],tmp});
			dp[i][j]=min(tmp+a[j],st.top().fr+st.top().sc);
		}
	}
	cout<<dp[k][n];
}

Compilation message

blocks.cpp:19:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   19 | main(){
      | ^~~~
blocks.cpp: In function 'int main()':
blocks.cpp:21:16: warning: unused variable 'b' [-Wunused-variable]
   21 |     ll n,k,i,j,b,mx=-1;
      |                ^
blocks.cpp:21:18: warning: unused variable 'mx' [-Wunused-variable]
   21 |     ll n,k,i,j,b,mx=-1;
      |                  ^~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 320 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 212 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 1 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 324 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 328 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 320 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 1 ms 324 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 328 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 596 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 328 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 1 ms 328 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 1 ms 324 KB Output is correct
49 Correct 1 ms 324 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 852 KB Output is correct
54 Correct 1 ms 852 KB Output is correct
55 Correct 1 ms 596 KB Output is correct
56 Correct 1 ms 968 KB Output is correct
57 Correct 1 ms 852 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 320 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 328 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 1 ms 324 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 328 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 596 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 328 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 1 ms 328 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 1 ms 324 KB Output is correct
49 Correct 1 ms 324 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 468 KB Output is correct
53 Correct 1 ms 852 KB Output is correct
54 Correct 1 ms 852 KB Output is correct
55 Correct 1 ms 596 KB Output is correct
56 Correct 1 ms 968 KB Output is correct
57 Correct 1 ms 852 KB Output is correct
58 Correct 6 ms 2516 KB Output is correct
59 Correct 5 ms 1240 KB Output is correct
60 Correct 8 ms 3408 KB Output is correct
61 Correct 43 ms 27728 KB Output is correct
62 Correct 124 ms 80060 KB Output is correct
63 Correct 15 ms 4044 KB Output is correct
64 Correct 61 ms 37000 KB Output is correct
65 Correct 1 ms 468 KB Output is correct
66 Correct 1 ms 584 KB Output is correct
67 Correct 1 ms 584 KB Output is correct
68 Correct 1 ms 584 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 1 ms 468 KB Output is correct
71 Correct 13 ms 8788 KB Output is correct
72 Correct 2 ms 596 KB Output is correct
73 Correct 5 ms 2516 KB Output is correct
74 Correct 4 ms 1232 KB Output is correct
75 Correct 7 ms 3408 KB Output is correct
76 Correct 43 ms 27732 KB Output is correct
77 Correct 134 ms 80052 KB Output is correct
78 Correct 13 ms 4056 KB Output is correct
79 Correct 53 ms 36996 KB Output is correct
80 Correct 9 ms 2520 KB Output is correct
81 Correct 18 ms 9540 KB Output is correct
82 Correct 112 ms 79988 KB Output is correct
83 Correct 1 ms 332 KB Output is correct
84 Correct 1 ms 468 KB Output is correct
85 Correct 16 ms 8912 KB Output is correct
86 Correct 2 ms 596 KB Output is correct
87 Correct 5 ms 2516 KB Output is correct
88 Correct 4 ms 1232 KB Output is correct
89 Correct 10 ms 3696 KB Output is correct
90 Correct 59 ms 28036 KB Output is correct
91 Correct 168 ms 80636 KB Output is correct
92 Correct 12 ms 4688 KB Output is correct
93 Correct 85 ms 37684 KB Output is correct
94 Correct 2 ms 724 KB Output is correct
95 Correct 14 ms 8916 KB Output is correct
96 Correct 1 ms 456 KB Output is correct
97 Correct 0 ms 340 KB Output is correct
98 Correct 1 ms 340 KB Output is correct
99 Correct 1 ms 340 KB Output is correct