Submission #831785

# Submission time Handle Problem Language Result Execution time Memory
831785 2023-08-20T14:31:37 Z rainboy Visiting Singapore (NOI20_visitingsingapore) C
16 / 100
416 ms 504 KB
#include <stdio.h>

#define N	5000
#define M	5000
#define K	1000
#define INF	0x3f3f3f3f

int max(int a, int b) { return a > b ? a : b; }

int main() {
	static int aa[N], bb[M], ww[K], dp[M + 1][2][2], dq[M + 1][2][2];
	int n, m, k, a, b, i, j, c, u, v, ans;

	scanf("%d%d%d%d%d", &k, &n, &m, &a, &b);
	for (c = 0; c < k; c++)
		scanf("%d", &ww[c]);
	for (i = 0; i < n; i++)
		scanf("%d", &aa[i]), aa[i]--;
	for (j = 0; j < m; j++)
		scanf("%d", &bb[j]), bb[j]--;
	for (j = 0; j <= m; j++)
		for (u = 0; u < 2; u++)
			for (v = 0; v < 2; v++)
				dp[j][u][v] = -INF;
	ans = -INF;
	for (i = 0; i <= n; i++) {
		for (j = 0; j <= m; j++)
			for (u = 0; u < 2; u++)
				for (v = 0; v < 2; v++)
					dq[j][u][v] = -INF;
		dp[0][0][0] = max(dp[0][0][0], 0);
		for (j = 0; j <= m; j++)
			for (u = 0; u < 2; u++)
				for (v = 0; v < 2; v++) {
					int x = dp[j][u][v];

					if (x == -INF)
						continue;
					if (i < n)
						dq[j][0][v] = max(dq[j][0][v], x + (u == 1 ? a : 0) + b);
					if (j < m)
						dp[j + 1][u][0] = max(dp[j + 1][u][0], x + a + (v == 1 ? b : 0));
					if (i < n && j < m && aa[i] == bb[j])
						dq[j + 1][1][1] = max(dq[j + 1][1][1], x + ww[aa[i]]);
				}
		for (u = 0; u < 2; u++)
			for (v = 0; v < 2; v++)
				ans = max(ans, dp[m][u][v]);
		for (j = 0; j <= m; j++)
			for (u = 0; u < 2; u++)
				for (v = 0; v < 2; v++)
					dp[j][u][v] = dq[j][u][v];
	}
	printf("%d\n", ans);
	return 0;
}

Compilation message

VisitingSingapore.c: In function 'main':
VisitingSingapore.c:14:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |  scanf("%d%d%d%d%d", &k, &n, &m, &a, &b);
      |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
VisitingSingapore.c:16:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |   scanf("%d", &ww[c]);
      |   ^~~~~~~~~~~~~~~~~~~
VisitingSingapore.c:18:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |   scanf("%d", &aa[i]), aa[i]--;
      |   ^~~~~~~~~~~~~~~~~~~
VisitingSingapore.c:20:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |   scanf("%d", &bb[j]), bb[j]--;
      |   ^~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 13 ms 344 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 296 KB Output is correct
9 Correct 11 ms 300 KB Output is correct
10 Correct 15 ms 348 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 31 ms 344 KB Output is correct
2 Correct 12 ms 336 KB Output is correct
3 Correct 97 ms 384 KB Output is correct
4 Correct 242 ms 492 KB Output is correct
5 Correct 74 ms 440 KB Output is correct
6 Correct 119 ms 340 KB Output is correct
7 Correct 205 ms 340 KB Output is correct
8 Correct 63 ms 340 KB Output is correct
9 Correct 130 ms 336 KB Output is correct
10 Correct 317 ms 504 KB Output is correct
11 Correct 325 ms 500 KB Output is correct
12 Correct 317 ms 500 KB Output is correct
13 Correct 268 ms 480 KB Output is correct
14 Correct 416 ms 480 KB Output is correct
15 Correct 389 ms 480 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 31 ms 344 KB Output is correct
2 Correct 12 ms 336 KB Output is correct
3 Correct 97 ms 384 KB Output is correct
4 Correct 242 ms 492 KB Output is correct
5 Correct 74 ms 440 KB Output is correct
6 Correct 119 ms 340 KB Output is correct
7 Correct 205 ms 340 KB Output is correct
8 Correct 63 ms 340 KB Output is correct
9 Correct 130 ms 336 KB Output is correct
10 Correct 317 ms 504 KB Output is correct
11 Correct 325 ms 500 KB Output is correct
12 Correct 317 ms 500 KB Output is correct
13 Correct 268 ms 480 KB Output is correct
14 Correct 416 ms 480 KB Output is correct
15 Correct 389 ms 480 KB Output is correct
16 Incorrect 167 ms 436 KB Output isn't correct
17 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 31 ms 344 KB Output is correct
2 Correct 12 ms 336 KB Output is correct
3 Correct 97 ms 384 KB Output is correct
4 Correct 242 ms 492 KB Output is correct
5 Correct 74 ms 440 KB Output is correct
6 Correct 119 ms 340 KB Output is correct
7 Correct 205 ms 340 KB Output is correct
8 Correct 63 ms 340 KB Output is correct
9 Correct 130 ms 336 KB Output is correct
10 Correct 317 ms 504 KB Output is correct
11 Correct 325 ms 500 KB Output is correct
12 Correct 317 ms 500 KB Output is correct
13 Correct 268 ms 480 KB Output is correct
14 Correct 416 ms 480 KB Output is correct
15 Correct 389 ms 480 KB Output is correct
16 Incorrect 239 ms 472 KB Output isn't correct
17 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 13 ms 344 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 296 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 6 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 296 KB Output is correct
9 Correct 11 ms 300 KB Output is correct
10 Correct 15 ms 348 KB Output is correct
11 Incorrect 1 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -