oj.uz

Submission #963846

# Submission time Handle Problem Language Result Execution time Memory
963846 2024-04-15T19:41:53 Z guechotjrhh Safety (NOI18_safety) C++14
40 / 100
 120 ms 2840 KB 
#include<stdio.h>
#include<vector>
#pragma warning (disable:4996)
using namespace std;

#include<algorithm>
#define ll long long
ll ab(ll n) { return n > 0 ? n : -n; }
int sz = 5001;
long long func(int n, int h, vector<int> s) {
	if (h == 0) {
		sort(s.begin(), s.end());
		ll r = 0;
		for (int i = 0; i < n; i++) r += ab(s[i] - s[n / 2]);
		return r;
	}

	vector<ll> dp(sz,0);

	int mi = 0;

	for (int i = 0; i < n; i++) {
		vector<ll> ndp(sz);
		for (int j = 0; j < sz; j++) {
			ndp[j] = ab(j - s[i]);
			int d = max(0, j - h), u = min(sz - 1, j + h);
			if (d <= mi && u >= mi) ndp[j] += dp[mi];
			if (d > mi) ndp[j] += dp[d];
			if (u < mi) ndp[j] += dp[u];
			//ll mn = 1e18;
			//for (int k = max(0, j - h); k <= min(sz-1, j + h); k++) mn = min(mn, dp[k]);
			//ndp[j] += mn;
		}
		//for (int j : dp) printf("%d ", j); printf("\n");
		dp = ndp;

		mi = 0;
		for (int i = 0; i < sz; i++) if (dp[i] < dp[mi]) mi = i;
	}

	ll mn = 1e18;
	for (int i = 0; i < sz; i++) mn = min(mn, dp[i]);

	return mn;
}

int main() {
	int N, H;
	scanf("%d%d", &N, &H);
	vector<int> S(N);
	for (int i = 0; i < N; i++) scanf("%d", &S[i]);

	long long ans = func(N, H, move(S));

	printf("%lld\n", ans);
}

Compilation message

safety.cpp:3: warning: ignoring '#pragma warning ' [-Wunknown-pragmas]
    3 | #pragma warning (disable:4996)
      | 
safety.cpp: In function 'int main()':
safety.cpp:49:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |  scanf("%d%d", &N, &H);
      |  ~~~~~^~~~~~~~~~~~~~~~
safety.cpp:51:35: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |  for (int i = 0; i < N; i++) scanf("%d", &S[i]);
      |                              ~~~~~^~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 344 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 2140 KB Output is correct
2 Correct 31 ms 2812 KB Output is correct
3 Correct 30 ms 2840 KB Output is correct

Subtask #5
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 12 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 11 ms 348 KB Output is correct
16 Correct 12 ms 500 KB Output is correct
17 Correct 10 ms 348 KB Output is correct
18 Correct 9 ms 348 KB Output is correct
19 Correct 11 ms 508 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 12 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 11 ms 348 KB Output is correct
16 Correct 12 ms 500 KB Output is correct
17 Correct 10 ms 348 KB Output is correct
18 Correct 9 ms 348 KB Output is correct
19 Correct 11 ms 508 KB Output is correct
20 Correct 11 ms 348 KB Output is correct
21 Correct 12 ms 508 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 9 ms 344 KB Output is correct
24 Correct 11 ms 348 KB Output is correct
25 Correct 9 ms 348 KB Output is correct
26 Correct 12 ms 504 KB Output is correct
27 Correct 11 ms 348 KB Output is correct

Subtask #7
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 12 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 11 ms 348 KB Output is correct
16 Correct 12 ms 500 KB Output is correct
17 Correct 10 ms 348 KB Output is correct
18 Correct 9 ms 348 KB Output is correct
19 Correct 11 ms 508 KB Output is correct
20 Correct 11 ms 348 KB Output is correct
21 Correct 12 ms 508 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 9 ms 344 KB Output is correct
24 Correct 11 ms 348 KB Output is correct
25 Correct 9 ms 348 KB Output is correct
26 Correct 12 ms 504 KB Output is correct
27 Correct 11 ms 348 KB Output is correct
28 Correct 116 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 111 ms 348 KB Output is correct
31 Correct 99 ms 512 KB Output is correct
32 Correct 97 ms 348 KB Output is correct
33 Correct 120 ms 348 KB Output is correct
34 Correct 109 ms 596 KB Output is correct

Subtask #8
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Incorrect 1 ms 344 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #9
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Incorrect 1 ms 344 KB Output isn't correct
14 Halted 0 ms 0 KB -