oj.uz

Submission #671951

# Submission time Handle Problem Language Result Execution time Memory
671951 2022-12-14T10:04:42 Z Baytoro K blocks (IZhO14_blocks) C++17
100 / 100
 144 ms 79960 KB 
#include <bits/stdc++.h>
using namespace std;
#define ios ios::sync_with_stdio(false); cin.tie(NULL);
#define pb push_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define fr first
#define sc second
#define int long long
#define endl '\n'
void fopn(string name){
	freopen((name+".in").c_str(),"r",stdin);
	freopen((name+".out").c_str(),"w",stdout);
}
const int INF=1e18,mod=1e9+7;
int n,k;
int dp[105][100005],a[100005];
void solve(){
	cin>>n>>k;
	for(int i=1;i<=n;i++)
		cin>>a[i];
	for(int i=1;i<=n;i++){
		dp[1][i]=max(dp[1][i-1],a[i]);
	}
	for(int i=2;i<=k;i++)
		for(int j=1;j<=n;j++)
			dp[i][j]=INF;
	
	for(int i=2;i<=k;i++){
		stack<pair<int,int>> st;
		for(int j=i;j<=n;j++){
			int 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];
}
main(){
	ios;
	int T=1;
	//cin>>T;
	while(T--){
		solve();
	}
}

Compilation message

blocks.cpp:44:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   44 | main(){
      | ^~~~
blocks.cpp: In function 'void fopn(std::string)':
blocks.cpp:12:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  freopen((name+".in").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
blocks.cpp:13:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |  freopen((name+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# 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 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 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 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 212 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 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 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 1 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 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 0 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 0 ms 340 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 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 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 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 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 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 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 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 0 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 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 1 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 212 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 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 0 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 0 ms 596 KB Output is correct
56 Correct 1 ms 852 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 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 0 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 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 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 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 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 0 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 0 ms 340 KB Output is correct
33 Correct 0 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 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 1 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 1 ms 212 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 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 0 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 0 ms 596 KB Output is correct
56 Correct 1 ms 852 KB Output is correct
57 Correct 1 ms 852 KB Output is correct
58 Correct 4 ms 2388 KB Output is correct
59 Correct 5 ms 980 KB Output is correct
60 Correct 7 ms 3028 KB Output is correct
61 Correct 38 ms 27424 KB Output is correct
62 Correct 114 ms 79312 KB Output is correct
63 Correct 11 ms 3412 KB Output is correct
64 Correct 51 ms 36316 KB Output is correct
65 Correct 0 ms 468 KB Output is correct
66 Correct 0 ms 596 KB Output is correct
67 Correct 1 ms 596 KB Output is correct
68 Correct 1 ms 596 KB Output is correct
69 Correct 0 ms 340 KB Output is correct
70 Correct 1 ms 468 KB Output is correct
71 Correct 12 ms 8680 KB Output is correct
72 Correct 1 ms 468 KB Output is correct
73 Correct 3 ms 2388 KB Output is correct
74 Correct 4 ms 980 KB Output is correct
75 Correct 9 ms 3052 KB Output is correct
76 Correct 37 ms 27472 KB Output is correct
77 Correct 97 ms 79324 KB Output is correct
78 Correct 10 ms 3384 KB Output is correct
79 Correct 50 ms 36308 KB Output is correct
80 Correct 8 ms 1876 KB Output is correct
81 Correct 18 ms 8908 KB Output is correct
82 Correct 101 ms 79308 KB Output is correct
83 Correct 0 ms 340 KB Output is correct
84 Correct 1 ms 468 KB Output is correct
85 Correct 14 ms 8788 KB Output is correct
86 Correct 1 ms 596 KB Output is correct
87 Correct 4 ms 2516 KB Output is correct
88 Correct 4 ms 980 KB Output is correct
89 Correct 7 ms 3412 KB Output is correct
90 Correct 48 ms 27756 KB Output is correct
91 Correct 144 ms 79960 KB Output is correct
92 Correct 11 ms 3968 KB Output is correct
93 Correct 69 ms 36892 KB Output is correct
94 Correct 1 ms 468 KB Output is correct
95 Correct 11 ms 8776 KB Output is correct
96 Correct 1 ms 468 KB Output is correct
97 Correct 0 ms 340 KB Output is correct
98 Correct 0 ms 340 KB Output is correct
99 Correct 0 ms 340 KB Output is correct