oj.uz

Submission #262101

# Submission time Handle Problem Language Result Execution time Memory
262101 2020-08-12T10:55:39 Z patrikpavic2 Cake 3 (JOI19_cake3) C++17
24 / 100
 145 ms 73828 KB 
#include <cstdio>
#include <cstring>
#include <vector>
#include <algorithm>

#define X first
#define Y second
#define PB push_back

using namespace std;

typedef pair < int, int > pii;
typedef long long ll;

const int N = 2e3 + 50;
const ll INF = 1e18;

ll dp[N][N];
int C[N], V[N], n, m;
vector < pii > v;

ll f(int i, int j){
	if(j > i) return -INF;
	if(dp[i][j] != -1) return dp[i][j];
	if(j == 1)
		return dp[i][j] = max(f(i - 1, 1) + 2LL * (C[i - 1] - C[i]), (ll)V[i]);
	return dp[i][j] = max(f(i - 1, j), f(i - 1, j - 1) + V[i]) + 2LL * (C[i - 1] - C[i]);
}

int main(){
	memset(dp, -1, sizeof(dp));	
	scanf("%d%d", &n, &m);
	for(int i = 0;i < n;i++){
		int x, y; scanf("%d%d", &x, &y);
		v.PB({y, x});
	}
	sort(v.begin(), v.end());
	for(int i = 0;i < n;i++)
		C[i + 1] = v[i].X, V[i + 1] = v[i].Y;
	ll sol = -INF;
	for(int i = m;i <= n;i++){
		//printf("ubacujem %d %d\n", C[i], V[i]);
		//printf("dp : ");
		//for(int j = 1;j <= n && j <= i;j++)
		//	printf("%lld ", f(i, j));
		//printf("\ndel : ");
		//for(int j = 1;j <= n && j <= i;j++)
		//	printf("%lld ", f(i, j) - f(i, j - 1));
		//printf("\n");
		sol = max(sol, f(i, m));
	}
	printf("%lld\n", sol);
}

Compilation message

cake3.cpp: In function 'int main()':
cake3.cpp:32:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~
cake3.cpp:34:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int x, y; scanf("%d%d", &x, &y);
             ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 33152 KB Output is correct
2 Correct 20 ms 33152 KB Output is correct
3 Correct 19 ms 33152 KB Output is correct
4 Correct 18 ms 33152 KB Output is correct
5 Correct 19 ms 33152 KB Output is correct
6 Correct 18 ms 33152 KB Output is correct
7 Correct 23 ms 33152 KB Output is correct
8 Correct 18 ms 33280 KB Output is correct
9 Correct 18 ms 33152 KB Output is correct
10 Correct 18 ms 33152 KB Output is correct
11 Correct 18 ms 33144 KB Output is correct
12 Correct 18 ms 33152 KB Output is correct
13 Correct 18 ms 33152 KB Output is correct
14 Correct 18 ms 33272 KB Output is correct
15 Correct 18 ms 33152 KB Output is correct
16 Correct 18 ms 33192 KB Output is correct
17 Correct 18 ms 33152 KB Output is correct
18 Correct 18 ms 33152 KB Output is correct
19 Correct 18 ms 33152 KB Output is correct
20 Correct 18 ms 33152 KB Output is correct
21 Correct 18 ms 33152 KB Output is correct
22 Correct 18 ms 33152 KB Output is correct
23 Correct 18 ms 33152 KB Output is correct
24 Correct 18 ms 33152 KB Output is correct
25 Correct 18 ms 33144 KB Output is correct
26 Correct 18 ms 33152 KB Output is correct
27 Correct 18 ms 33152 KB Output is correct
28 Correct 18 ms 33152 KB Output is correct
29 Correct 18 ms 33152 KB Output is correct
30 Correct 17 ms 33152 KB Output is correct
31 Correct 18 ms 33152 KB Output is correct
32 Correct 18 ms 33152 KB Output is correct
33 Correct 18 ms 33152 KB Output is correct
34 Correct 18 ms 33204 KB Output is correct
35 Correct 18 ms 33152 KB Output is correct
36 Correct 18 ms 33152 KB Output is correct
37 Correct 18 ms 33152 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 33152 KB Output is correct
2 Correct 20 ms 33152 KB Output is correct
3 Correct 19 ms 33152 KB Output is correct
4 Correct 18 ms 33152 KB Output is correct
5 Correct 19 ms 33152 KB Output is correct
6 Correct 18 ms 33152 KB Output is correct
7 Correct 23 ms 33152 KB Output is correct
8 Correct 18 ms 33280 KB Output is correct
9 Correct 18 ms 33152 KB Output is correct
10 Correct 18 ms 33152 KB Output is correct
11 Correct 18 ms 33144 KB Output is correct
12 Correct 18 ms 33152 KB Output is correct
13 Correct 18 ms 33152 KB Output is correct
14 Correct 18 ms 33272 KB Output is correct
15 Correct 18 ms 33152 KB Output is correct
16 Correct 18 ms 33192 KB Output is correct
17 Correct 18 ms 33152 KB Output is correct
18 Correct 18 ms 33152 KB Output is correct
19 Correct 18 ms 33152 KB Output is correct
20 Correct 18 ms 33152 KB Output is correct
21 Correct 18 ms 33152 KB Output is correct
22 Correct 18 ms 33152 KB Output is correct
23 Correct 18 ms 33152 KB Output is correct
24 Correct 18 ms 33152 KB Output is correct
25 Correct 18 ms 33144 KB Output is correct
26 Correct 18 ms 33152 KB Output is correct
27 Correct 18 ms 33152 KB Output is correct
28 Correct 18 ms 33152 KB Output is correct
29 Correct 18 ms 33152 KB Output is correct
30 Correct 17 ms 33152 KB Output is correct
31 Correct 18 ms 33152 KB Output is correct
32 Correct 18 ms 33152 KB Output is correct
33 Correct 18 ms 33152 KB Output is correct
34 Correct 18 ms 33204 KB Output is correct
35 Correct 18 ms 33152 KB Output is correct
36 Correct 18 ms 33152 KB Output is correct
37 Correct 18 ms 33152 KB Output is correct
38 Correct 28 ms 33280 KB Output is correct
39 Correct 34 ms 33280 KB Output is correct
40 Correct 37 ms 33280 KB Output is correct
41 Correct 36 ms 33280 KB Output is correct
42 Correct 35 ms 33272 KB Output is correct
43 Correct 35 ms 33280 KB Output is correct
44 Correct 33 ms 33280 KB Output is correct
45 Correct 33 ms 33280 KB Output is correct
46 Correct 35 ms 33272 KB Output is correct
47 Correct 27 ms 33280 KB Output is correct
48 Correct 27 ms 33280 KB Output is correct
49 Correct 39 ms 33280 KB Output is correct
50 Correct 38 ms 33272 KB Output is correct
51 Correct 38 ms 33280 KB Output is correct
52 Correct 37 ms 33272 KB Output is correct
53 Correct 38 ms 33272 KB Output is correct
54 Correct 39 ms 33272 KB Output is correct
55 Correct 35 ms 33280 KB Output is correct
56 Correct 36 ms 33280 KB Output is correct
57 Correct 37 ms 33400 KB Output is correct
58 Correct 35 ms 33280 KB Output is correct
59 Correct 34 ms 33280 KB Output is correct
60 Correct 31 ms 33272 KB Output is correct
61 Correct 35 ms 33280 KB Output is correct
62 Correct 38 ms 33280 KB Output is correct
63 Correct 40 ms 33280 KB Output is correct
64 Correct 39 ms 33408 KB Output is correct
65 Correct 35 ms 33272 KB Output is correct
66 Correct 33 ms 33280 KB Output is correct
67 Correct 28 ms 33280 KB Output is correct
68 Correct 42 ms 33280 KB Output is correct
69 Correct 38 ms 33400 KB Output is correct
70 Correct 44 ms 33280 KB Output is correct
71 Correct 26 ms 33280 KB Output is correct
72 Correct 40 ms 33280 KB Output is correct
73 Correct 29 ms 33280 KB Output is correct
74 Correct 19 ms 33408 KB Output is correct

Subtask #3
0 / 76.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 33152 KB Output is correct
2 Correct 20 ms 33152 KB Output is correct
3 Correct 19 ms 33152 KB Output is correct
4 Correct 18 ms 33152 KB Output is correct
5 Correct 19 ms 33152 KB Output is correct
6 Correct 18 ms 33152 KB Output is correct
7 Correct 23 ms 33152 KB Output is correct
8 Correct 18 ms 33280 KB Output is correct
9 Correct 18 ms 33152 KB Output is correct
10 Correct 18 ms 33152 KB Output is correct
11 Correct 18 ms 33144 KB Output is correct
12 Correct 18 ms 33152 KB Output is correct
13 Correct 18 ms 33152 KB Output is correct
14 Correct 18 ms 33272 KB Output is correct
15 Correct 18 ms 33152 KB Output is correct
16 Correct 18 ms 33192 KB Output is correct
17 Correct 18 ms 33152 KB Output is correct
18 Correct 18 ms 33152 KB Output is correct
19 Correct 18 ms 33152 KB Output is correct
20 Correct 18 ms 33152 KB Output is correct
21 Correct 18 ms 33152 KB Output is correct
22 Correct 18 ms 33152 KB Output is correct
23 Correct 18 ms 33152 KB Output is correct
24 Correct 18 ms 33152 KB Output is correct
25 Correct 18 ms 33144 KB Output is correct
26 Correct 18 ms 33152 KB Output is correct
27 Correct 18 ms 33152 KB Output is correct
28 Correct 18 ms 33152 KB Output is correct
29 Correct 18 ms 33152 KB Output is correct
30 Correct 17 ms 33152 KB Output is correct
31 Correct 18 ms 33152 KB Output is correct
32 Correct 18 ms 33152 KB Output is correct
33 Correct 18 ms 33152 KB Output is correct
34 Correct 18 ms 33204 KB Output is correct
35 Correct 18 ms 33152 KB Output is correct
36 Correct 18 ms 33152 KB Output is correct
37 Correct 18 ms 33152 KB Output is correct
38 Correct 28 ms 33280 KB Output is correct
39 Correct 34 ms 33280 KB Output is correct
40 Correct 37 ms 33280 KB Output is correct
41 Correct 36 ms 33280 KB Output is correct
42 Correct 35 ms 33272 KB Output is correct
43 Correct 35 ms 33280 KB Output is correct
44 Correct 33 ms 33280 KB Output is correct
45 Correct 33 ms 33280 KB Output is correct
46 Correct 35 ms 33272 KB Output is correct
47 Correct 27 ms 33280 KB Output is correct
48 Correct 27 ms 33280 KB Output is correct
49 Correct 39 ms 33280 KB Output is correct
50 Correct 38 ms 33272 KB Output is correct
51 Correct 38 ms 33280 KB Output is correct
52 Correct 37 ms 33272 KB Output is correct
53 Correct 38 ms 33272 KB Output is correct
54 Correct 39 ms 33272 KB Output is correct
55 Correct 35 ms 33280 KB Output is correct
56 Correct 36 ms 33280 KB Output is correct
57 Correct 37 ms 33400 KB Output is correct
58 Correct 35 ms 33280 KB Output is correct
59 Correct 34 ms 33280 KB Output is correct
60 Correct 31 ms 33272 KB Output is correct
61 Correct 35 ms 33280 KB Output is correct
62 Correct 38 ms 33280 KB Output is correct
63 Correct 40 ms 33280 KB Output is correct
64 Correct 39 ms 33408 KB Output is correct
65 Correct 35 ms 33272 KB Output is correct
66 Correct 33 ms 33280 KB Output is correct
67 Correct 28 ms 33280 KB Output is correct
68 Correct 42 ms 33280 KB Output is correct
69 Correct 38 ms 33400 KB Output is correct
70 Correct 44 ms 33280 KB Output is correct
71 Correct 26 ms 33280 KB Output is correct
72 Correct 40 ms 33280 KB Output is correct
73 Correct 29 ms 33280 KB Output is correct
74 Correct 19 ms 33408 KB Output is correct
75 Runtime error 145 ms 73828 KB Execution killed with signal 11 (could be triggered by violating memory limits)
76 Halted 0 ms 0 KB -