oj.uz

Submission #337571

# Submission time Handle Problem Language Result Execution time Memory
337571 2020-12-21T06:18:35 Z Kerim K blocks (IZhO14_blocks) C++17
100 / 100
 161 ms 40980 KB 
#include "bits/stdc++.h"
#define MAXN 100009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x)  cerr<< #x <<" = "<< x<<endl;
using namespace std;

typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
int dp[101][MAXN],arr[MAXN];
int main(){
    //freopen("file.in", "r", stdin);
    int n,k;
    scanf("%d%d",&n,&k);
    for(int i=1;i<=n;i++){
    	scanf("%d",arr+i);
    	dp[1][i]=max(dp[1][i-1],arr[i]);
    }
    for(int i=2;i<=k;i++){dp[i-1][0]=INF;
    	stack<PII>st;
    	for(int j=1;j<=n;j++){
    		int odp=dp[i-1][j-1];
			while(!st.empty() and st.top().ff<arr[j]){
				umin(odp,st.top().ss);
				st.pop();	
			}
			if(st.empty() or arr[j]+odp<st.top().ff+st.top().ss)
				st.push(mp(arr[j],odp));
			if(j>=i)
				dp[i][j]=st.top().ff+st.top().ss;
			else
				dp[i][j]=INF;
		}
    }printf("%d\n",dp[k][n]);
 	return 0;
}

Compilation message

blocks.cpp: In function 'int main()':
blocks.cpp:24:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   24 |     scanf("%d%d",&n,&k);
      |     ~~~~~^~~~~~~~~~~~~~
blocks.cpp:26:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   26 |      scanf("%d",arr+i);
      |      ~~~~~^~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 0 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 0 ms 364 KB Output is correct
27 Correct 0 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 620 KB Output is correct
40 Correct 0 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 512 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 876 KB Output is correct
54 Correct 1 ms 896 KB Output is correct
55 Correct 1 ms 620 KB Output is correct
56 Correct 1 ms 876 KB Output is correct
57 Correct 1 ms 876 KB Output is correct

Subtask #4
47.0 / 47.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 0 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 0 ms 364 KB Output is correct
5 Correct 0 ms 364 KB Output is correct
6 Correct 0 ms 364 KB Output is correct
7 Correct 0 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 0 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 0 ms 364 KB Output is correct
21 Correct 0 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 0 ms 364 KB Output is correct
25 Correct 0 ms 364 KB Output is correct
26 Correct 0 ms 364 KB Output is correct
27 Correct 0 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 1 ms 364 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 364 KB Output is correct
38 Correct 1 ms 364 KB Output is correct
39 Correct 1 ms 620 KB Output is correct
40 Correct 0 ms 364 KB Output is correct
41 Correct 1 ms 364 KB Output is correct
42 Correct 1 ms 364 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 512 KB Output is correct
52 Correct 1 ms 492 KB Output is correct
53 Correct 1 ms 876 KB Output is correct
54 Correct 1 ms 896 KB Output is correct
55 Correct 1 ms 620 KB Output is correct
56 Correct 1 ms 876 KB Output is correct
57 Correct 1 ms 876 KB Output is correct
58 Correct 5 ms 1516 KB Output is correct
59 Correct 6 ms 1004 KB Output is correct
60 Correct 9 ms 2048 KB Output is correct
61 Correct 43 ms 14444 KB Output is correct
62 Correct 116 ms 40556 KB Output is correct
63 Correct 16 ms 2540 KB Output is correct
64 Correct 58 ms 19052 KB Output is correct
65 Correct 1 ms 492 KB Output is correct
66 Correct 1 ms 620 KB Output is correct
67 Correct 1 ms 620 KB Output is correct
68 Correct 1 ms 620 KB Output is correct
69 Correct 1 ms 364 KB Output is correct
70 Correct 1 ms 364 KB Output is correct
71 Correct 13 ms 4844 KB Output is correct
72 Correct 2 ms 492 KB Output is correct
73 Correct 4 ms 1516 KB Output is correct
74 Correct 6 ms 1004 KB Output is correct
75 Correct 9 ms 2028 KB Output is correct
76 Correct 40 ms 14444 KB Output is correct
77 Correct 106 ms 40556 KB Output is correct
78 Correct 16 ms 2540 KB Output is correct
79 Correct 55 ms 19052 KB Output is correct
80 Correct 14 ms 1772 KB Output is correct
81 Correct 23 ms 5356 KB Output is correct
82 Correct 110 ms 40556 KB Output is correct
83 Correct 1 ms 364 KB Output is correct
84 Correct 1 ms 364 KB Output is correct
85 Correct 16 ms 4844 KB Output is correct
86 Correct 2 ms 492 KB Output is correct
87 Correct 5 ms 1516 KB Output is correct
88 Correct 6 ms 1004 KB Output is correct
89 Correct 10 ms 2264 KB Output is correct
90 Correct 54 ms 14604 KB Output is correct
91 Correct 161 ms 40980 KB Output is correct
92 Correct 17 ms 2900 KB Output is correct
93 Correct 78 ms 19420 KB Output is correct
94 Correct 2 ms 492 KB Output is correct
95 Correct 12 ms 4844 KB Output is correct
96 Correct 1 ms 364 KB Output is correct
97 Correct 1 ms 364 KB Output is correct
98 Correct 1 ms 364 KB Output is correct
99 Correct 1 ms 364 KB Output is correct