#include <stdio.h>
#include <string.h>
#define N 300
#define INF 0x3f3f3f3f
int abs_(int a) { return a > 0 ? a : -a; }
int min(int a, int b) { return a < b ? a : b; }
int max(int a, int b) { return a > b ? a : b; }
int main() {
static int aa[N], dp[N][N * 2 + 1], tt[N][N];
int n, i, j, k, k_;
long long ans;
scanf("%d", &n);
for (i = 0; i < n; i++)
scanf("%d", &aa[i]);
for (i = 0; i < n; i++)
for (j = i; j < n; j++)
if (aa[i] != -1 && aa[j] != -1) {
tt[i][j] = INF;
for (k = 0; k < n; k++)
if (aa[k] == -1)
tt[i][j] = min(tt[i][j], abs_(i - k) + abs_(k - j));
}
for (i = 0; i < n; i++)
memset(dp[i], 0x3f, (n * 2 + 1) * sizeof *dp[i]);
ans = 0;
for (i = 0; i < n; i++)
if (aa[i] > 0) {
dp[i][1] = i;
for (k = n * 2; k >= 0; k--) {
int t = dp[i][k];
if (t > i * 2)
continue;
for (k_ = k + 1; k_ <= n * 2 && k_ - k < aa[i]; k_++)
dp[i][k_] = min(dp[i][k_], t + tt[i][i] * (k_ - k));
}
for (k = 0; k <= n * 2; k++) {
int t = dp[i][k];
if (t > i * 2)
continue;
ans = max(ans, k);
for (j = i + 1; j < n; j++)
if (aa[j] > 0)
dp[j][k + 1] = min(dp[j][k + 1], t + tt[i][j]);
}
}
ans = -ans;
for (i = 0; i < n; i++)
if (aa[i] > 0)
ans += aa[i];
printf("%lld\n", ans);
return 0;
}
Compilation message
tortoise.c: In function 'main':
tortoise.c:16:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
16 | scanf("%d", &n);
| ^~~~~~~~~~~~~~~
tortoise.c:18:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
18 | scanf("%d", &aa[i]);
| ^~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
332 KB |
Output is correct |
| 8 |
Correct |
0 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
332 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
0 ms |
332 KB |
Output is correct |
| 14 |
Correct |
0 ms |
332 KB |
Output is correct |
| 15 |
Correct |
0 ms |
332 KB |
Output is correct |
| 16 |
Correct |
0 ms |
332 KB |
Output is correct |
| 17 |
Correct |
0 ms |
332 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
0 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
0 ms |
332 KB |
Output is correct |
| 22 |
Correct |
0 ms |
204 KB |
Output is correct |
| 23 |
Correct |
0 ms |
332 KB |
Output is correct |
| 24 |
Correct |
0 ms |
332 KB |
Output is correct |
| 25 |
Correct |
0 ms |
204 KB |
Output is correct |
| 26 |
Correct |
0 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
332 KB |
Output is correct |
| 8 |
Correct |
0 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
332 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
0 ms |
332 KB |
Output is correct |
| 14 |
Correct |
0 ms |
332 KB |
Output is correct |
| 15 |
Correct |
0 ms |
332 KB |
Output is correct |
| 16 |
Correct |
0 ms |
332 KB |
Output is correct |
| 17 |
Correct |
0 ms |
332 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
0 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
0 ms |
332 KB |
Output is correct |
| 22 |
Correct |
0 ms |
204 KB |
Output is correct |
| 23 |
Correct |
0 ms |
332 KB |
Output is correct |
| 24 |
Correct |
0 ms |
332 KB |
Output is correct |
| 25 |
Correct |
0 ms |
204 KB |
Output is correct |
| 26 |
Correct |
0 ms |
204 KB |
Output is correct |
| 27 |
Correct |
12 ms |
1100 KB |
Output is correct |
| 28 |
Correct |
14 ms |
1256 KB |
Output is correct |
| 29 |
Correct |
13 ms |
1228 KB |
Output is correct |
| 30 |
Correct |
10 ms |
1052 KB |
Output is correct |
| 31 |
Correct |
15 ms |
1188 KB |
Output is correct |
| 32 |
Correct |
6 ms |
972 KB |
Output is correct |
| 33 |
Correct |
14 ms |
1248 KB |
Output is correct |
| 34 |
Correct |
13 ms |
1068 KB |
Output is correct |
| 35 |
Correct |
14 ms |
1256 KB |
Output is correct |
| 36 |
Correct |
14 ms |
1264 KB |
Output is correct |
| 37 |
Correct |
15 ms |
1216 KB |
Output is correct |
| 38 |
Correct |
14 ms |
1228 KB |
Output is correct |
| 39 |
Correct |
14 ms |
1228 KB |
Output is correct |
| 40 |
Correct |
13 ms |
1228 KB |
Output is correct |
| 41 |
Correct |
13 ms |
1228 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
332 KB |
Output is correct |
| 8 |
Correct |
0 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
332 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
0 ms |
332 KB |
Output is correct |
| 14 |
Correct |
0 ms |
332 KB |
Output is correct |
| 15 |
Correct |
0 ms |
332 KB |
Output is correct |
| 16 |
Correct |
0 ms |
332 KB |
Output is correct |
| 17 |
Correct |
0 ms |
332 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
0 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
0 ms |
332 KB |
Output is correct |
| 22 |
Correct |
0 ms |
204 KB |
Output is correct |
| 23 |
Correct |
0 ms |
332 KB |
Output is correct |
| 24 |
Correct |
0 ms |
332 KB |
Output is correct |
| 25 |
Correct |
0 ms |
204 KB |
Output is correct |
| 26 |
Correct |
0 ms |
204 KB |
Output is correct |
| 27 |
Correct |
12 ms |
1100 KB |
Output is correct |
| 28 |
Correct |
14 ms |
1256 KB |
Output is correct |
| 29 |
Correct |
13 ms |
1228 KB |
Output is correct |
| 30 |
Correct |
10 ms |
1052 KB |
Output is correct |
| 31 |
Correct |
15 ms |
1188 KB |
Output is correct |
| 32 |
Correct |
6 ms |
972 KB |
Output is correct |
| 33 |
Correct |
14 ms |
1248 KB |
Output is correct |
| 34 |
Correct |
13 ms |
1068 KB |
Output is correct |
| 35 |
Correct |
14 ms |
1256 KB |
Output is correct |
| 36 |
Correct |
14 ms |
1264 KB |
Output is correct |
| 37 |
Correct |
15 ms |
1216 KB |
Output is correct |
| 38 |
Correct |
14 ms |
1228 KB |
Output is correct |
| 39 |
Correct |
14 ms |
1228 KB |
Output is correct |
| 40 |
Correct |
13 ms |
1228 KB |
Output is correct |
| 41 |
Correct |
13 ms |
1228 KB |
Output is correct |
| 42 |
Correct |
4 ms |
972 KB |
Output is correct |
| 43 |
Correct |
6 ms |
916 KB |
Output is correct |
| 44 |
Correct |
9 ms |
1044 KB |
Output is correct |
| 45 |
Correct |
14 ms |
1228 KB |
Output is correct |
| 46 |
Correct |
6 ms |
1020 KB |
Output is correct |
| 47 |
Correct |
6 ms |
952 KB |
Output is correct |
| 48 |
Correct |
10 ms |
1192 KB |
Output is correct |
| 49 |
Correct |
7 ms |
1020 KB |
Output is correct |
| 50 |
Correct |
18 ms |
1228 KB |
Output is correct |
| 51 |
Correct |
25 ms |
1152 KB |
Output is correct |
| 52 |
Correct |
6 ms |
972 KB |
Output is correct |
| 53 |
Correct |
15 ms |
1252 KB |
Output is correct |
| 54 |
Correct |
17 ms |
1268 KB |
Output is correct |
| 55 |
Correct |
13 ms |
1100 KB |
Output is correct |
| 56 |
Correct |
10 ms |
1292 KB |
Output is correct |
| 57 |
Correct |
5 ms |
924 KB |
Output is correct |
| 58 |
Correct |
12 ms |
1140 KB |
Output is correct |
| 59 |
Correct |
7 ms |
972 KB |
Output is correct |
| 60 |
Correct |
10 ms |
1176 KB |
Output is correct |
| 61 |
Correct |
12 ms |
1184 KB |
Output is correct |
| 62 |
Correct |
12 ms |
1164 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
332 KB |
Output is correct |
| 8 |
Correct |
0 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
332 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
0 ms |
332 KB |
Output is correct |
| 14 |
Correct |
0 ms |
332 KB |
Output is correct |
| 15 |
Correct |
0 ms |
332 KB |
Output is correct |
| 16 |
Correct |
0 ms |
332 KB |
Output is correct |
| 17 |
Correct |
0 ms |
332 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
0 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
0 ms |
332 KB |
Output is correct |
| 22 |
Correct |
0 ms |
204 KB |
Output is correct |
| 23 |
Correct |
0 ms |
332 KB |
Output is correct |
| 24 |
Correct |
0 ms |
332 KB |
Output is correct |
| 25 |
Correct |
0 ms |
204 KB |
Output is correct |
| 26 |
Correct |
0 ms |
204 KB |
Output is correct |
| 27 |
Correct |
12 ms |
1100 KB |
Output is correct |
| 28 |
Correct |
14 ms |
1256 KB |
Output is correct |
| 29 |
Correct |
13 ms |
1228 KB |
Output is correct |
| 30 |
Correct |
10 ms |
1052 KB |
Output is correct |
| 31 |
Correct |
15 ms |
1188 KB |
Output is correct |
| 32 |
Correct |
6 ms |
972 KB |
Output is correct |
| 33 |
Correct |
14 ms |
1248 KB |
Output is correct |
| 34 |
Correct |
13 ms |
1068 KB |
Output is correct |
| 35 |
Correct |
14 ms |
1256 KB |
Output is correct |
| 36 |
Correct |
14 ms |
1264 KB |
Output is correct |
| 37 |
Correct |
15 ms |
1216 KB |
Output is correct |
| 38 |
Correct |
14 ms |
1228 KB |
Output is correct |
| 39 |
Correct |
14 ms |
1228 KB |
Output is correct |
| 40 |
Correct |
13 ms |
1228 KB |
Output is correct |
| 41 |
Correct |
13 ms |
1228 KB |
Output is correct |
| 42 |
Correct |
4 ms |
972 KB |
Output is correct |
| 43 |
Correct |
6 ms |
916 KB |
Output is correct |
| 44 |
Correct |
9 ms |
1044 KB |
Output is correct |
| 45 |
Correct |
14 ms |
1228 KB |
Output is correct |
| 46 |
Correct |
6 ms |
1020 KB |
Output is correct |
| 47 |
Correct |
6 ms |
952 KB |
Output is correct |
| 48 |
Correct |
10 ms |
1192 KB |
Output is correct |
| 49 |
Correct |
7 ms |
1020 KB |
Output is correct |
| 50 |
Correct |
18 ms |
1228 KB |
Output is correct |
| 51 |
Correct |
25 ms |
1152 KB |
Output is correct |
| 52 |
Correct |
6 ms |
972 KB |
Output is correct |
| 53 |
Correct |
15 ms |
1252 KB |
Output is correct |
| 54 |
Correct |
17 ms |
1268 KB |
Output is correct |
| 55 |
Correct |
13 ms |
1100 KB |
Output is correct |
| 56 |
Correct |
10 ms |
1292 KB |
Output is correct |
| 57 |
Correct |
5 ms |
924 KB |
Output is correct |
| 58 |
Correct |
12 ms |
1140 KB |
Output is correct |
| 59 |
Correct |
7 ms |
972 KB |
Output is correct |
| 60 |
Correct |
10 ms |
1176 KB |
Output is correct |
| 61 |
Correct |
12 ms |
1184 KB |
Output is correct |
| 62 |
Correct |
12 ms |
1164 KB |
Output is correct |
| 63 |
Runtime error |
1 ms |
332 KB |
Execution killed with signal 11 |
| 64 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
332 KB |
Output is correct |
| 2 |
Correct |
0 ms |
204 KB |
Output is correct |
| 3 |
Correct |
0 ms |
204 KB |
Output is correct |
| 4 |
Correct |
0 ms |
204 KB |
Output is correct |
| 5 |
Correct |
0 ms |
332 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
332 KB |
Output is correct |
| 8 |
Correct |
0 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
332 KB |
Output is correct |
| 12 |
Correct |
0 ms |
332 KB |
Output is correct |
| 13 |
Correct |
0 ms |
332 KB |
Output is correct |
| 14 |
Correct |
0 ms |
332 KB |
Output is correct |
| 15 |
Correct |
0 ms |
332 KB |
Output is correct |
| 16 |
Correct |
0 ms |
332 KB |
Output is correct |
| 17 |
Correct |
0 ms |
332 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
0 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
0 ms |
332 KB |
Output is correct |
| 22 |
Correct |
0 ms |
204 KB |
Output is correct |
| 23 |
Correct |
0 ms |
332 KB |
Output is correct |
| 24 |
Correct |
0 ms |
332 KB |
Output is correct |
| 25 |
Correct |
0 ms |
204 KB |
Output is correct |
| 26 |
Correct |
0 ms |
204 KB |
Output is correct |
| 27 |
Correct |
12 ms |
1100 KB |
Output is correct |
| 28 |
Correct |
14 ms |
1256 KB |
Output is correct |
| 29 |
Correct |
13 ms |
1228 KB |
Output is correct |
| 30 |
Correct |
10 ms |
1052 KB |
Output is correct |
| 31 |
Correct |
15 ms |
1188 KB |
Output is correct |
| 32 |
Correct |
6 ms |
972 KB |
Output is correct |
| 33 |
Correct |
14 ms |
1248 KB |
Output is correct |
| 34 |
Correct |
13 ms |
1068 KB |
Output is correct |
| 35 |
Correct |
14 ms |
1256 KB |
Output is correct |
| 36 |
Correct |
14 ms |
1264 KB |
Output is correct |
| 37 |
Correct |
15 ms |
1216 KB |
Output is correct |
| 38 |
Correct |
14 ms |
1228 KB |
Output is correct |
| 39 |
Correct |
14 ms |
1228 KB |
Output is correct |
| 40 |
Correct |
13 ms |
1228 KB |
Output is correct |
| 41 |
Correct |
13 ms |
1228 KB |
Output is correct |
| 42 |
Correct |
4 ms |
972 KB |
Output is correct |
| 43 |
Correct |
6 ms |
916 KB |
Output is correct |
| 44 |
Correct |
9 ms |
1044 KB |
Output is correct |
| 45 |
Correct |
14 ms |
1228 KB |
Output is correct |
| 46 |
Correct |
6 ms |
1020 KB |
Output is correct |
| 47 |
Correct |
6 ms |
952 KB |
Output is correct |
| 48 |
Correct |
10 ms |
1192 KB |
Output is correct |
| 49 |
Correct |
7 ms |
1020 KB |
Output is correct |
| 50 |
Correct |
18 ms |
1228 KB |
Output is correct |
| 51 |
Correct |
25 ms |
1152 KB |
Output is correct |
| 52 |
Correct |
6 ms |
972 KB |
Output is correct |
| 53 |
Correct |
15 ms |
1252 KB |
Output is correct |
| 54 |
Correct |
17 ms |
1268 KB |
Output is correct |
| 55 |
Correct |
13 ms |
1100 KB |
Output is correct |
| 56 |
Correct |
10 ms |
1292 KB |
Output is correct |
| 57 |
Correct |
5 ms |
924 KB |
Output is correct |
| 58 |
Correct |
12 ms |
1140 KB |
Output is correct |
| 59 |
Correct |
7 ms |
972 KB |
Output is correct |
| 60 |
Correct |
10 ms |
1176 KB |
Output is correct |
| 61 |
Correct |
12 ms |
1184 KB |
Output is correct |
| 62 |
Correct |
12 ms |
1164 KB |
Output is correct |
| 63 |
Runtime error |
1 ms |
332 KB |
Execution killed with signal 11 |
| 64 |
Halted |
0 ms |
0 KB |
- |
