#include <stdio.h>
#define N 5000
int max(int a, int b) { return a > b ? a : b; }
int main() {
static int aa[N + 1], dp[N + 1][N + 1];
int n, i, j, k, l, x, ans;
scanf("%d", &n);
for (i = 1; i <= n; i++) {
scanf("%d", &aa[i]);
aa[i] += aa[i - 1];
}
for (i = 1; i <= n; i++)
dp[0][i] = 0;
for (i = 0; i <= n; i++)
for (j = i + 1; j <= n; j++)
for (k = j + 1, l = j - 1, x = dp[i][j]; k <= n; k++) {
dp[j][k] = max(dp[j][k], x);
while (l >= 0 && aa[k] + aa[l] > aa[j] * 2)
l--;
if (l > i && aa[k] + aa[l] == aa[j] * 2)
x++;
}
ans = 0;
for (i = 0; i < n; i++)
ans = max(ans, dp[i][n]);
printf("%d\n", ans);
return 0;
}
Compilation message
cigle.c: In function 'main':
cigle.c:11:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
11 | scanf("%d", &n);
| ^~~~~~~~~~~~~~~
cigle.c:13:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
13 | scanf("%d", &aa[i]);
| ^~~~~~~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
0 ms |
336 KB |
Output is correct |
| 3 |
Correct |
0 ms |
336 KB |
Output is correct |
| 4 |
Correct |
0 ms |
336 KB |
Output is correct |
| 5 |
Correct |
0 ms |
336 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
284 KB |
Output is correct |
| 8 |
Correct |
0 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
0 ms |
336 KB |
Output is correct |
| 3 |
Correct |
0 ms |
336 KB |
Output is correct |
| 4 |
Correct |
0 ms |
336 KB |
Output is correct |
| 5 |
Correct |
0 ms |
336 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
284 KB |
Output is correct |
| 8 |
Correct |
0 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
588 KB |
Output is correct |
| 11 |
Correct |
1 ms |
588 KB |
Output is correct |
| 12 |
Correct |
1 ms |
588 KB |
Output is correct |
| 13 |
Correct |
1 ms |
588 KB |
Output is correct |
| 14 |
Correct |
1 ms |
588 KB |
Output is correct |
| 15 |
Correct |
1 ms |
588 KB |
Output is correct |
| 16 |
Correct |
1 ms |
588 KB |
Output is correct |
| 17 |
Correct |
1 ms |
588 KB |
Output is correct |
| 18 |
Correct |
1 ms |
588 KB |
Output is correct |
| 19 |
Correct |
1 ms |
588 KB |
Output is correct |
| 20 |
Correct |
1 ms |
588 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
48 ms |
2788 KB |
Output is correct |
| 2 |
Correct |
47 ms |
2764 KB |
Output is correct |
| 3 |
Correct |
50 ms |
2764 KB |
Output is correct |
| 4 |
Correct |
53 ms |
2764 KB |
Output is correct |
| 5 |
Correct |
53 ms |
2780 KB |
Output is correct |
| 6 |
Correct |
97 ms |
2776 KB |
Output is correct |
| 7 |
Correct |
100 ms |
2784 KB |
Output is correct |
| 8 |
Correct |
99 ms |
2764 KB |
Output is correct |
| 9 |
Correct |
103 ms |
2780 KB |
Output is correct |
| 10 |
Correct |
60 ms |
2764 KB |
Output is correct |
| 11 |
Correct |
74 ms |
2776 KB |
Output is correct |
| 12 |
Correct |
63 ms |
2764 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
0 ms |
336 KB |
Output is correct |
| 3 |
Correct |
0 ms |
336 KB |
Output is correct |
| 4 |
Correct |
0 ms |
336 KB |
Output is correct |
| 5 |
Correct |
0 ms |
336 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
284 KB |
Output is correct |
| 8 |
Correct |
0 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
588 KB |
Output is correct |
| 11 |
Correct |
1 ms |
588 KB |
Output is correct |
| 12 |
Correct |
1 ms |
588 KB |
Output is correct |
| 13 |
Correct |
1 ms |
588 KB |
Output is correct |
| 14 |
Correct |
1 ms |
588 KB |
Output is correct |
| 15 |
Correct |
1 ms |
588 KB |
Output is correct |
| 16 |
Correct |
1 ms |
588 KB |
Output is correct |
| 17 |
Correct |
1 ms |
588 KB |
Output is correct |
| 18 |
Correct |
1 ms |
588 KB |
Output is correct |
| 19 |
Correct |
1 ms |
588 KB |
Output is correct |
| 20 |
Correct |
1 ms |
588 KB |
Output is correct |
| 21 |
Correct |
48 ms |
2788 KB |
Output is correct |
| 22 |
Correct |
47 ms |
2764 KB |
Output is correct |
| 23 |
Correct |
50 ms |
2764 KB |
Output is correct |
| 24 |
Correct |
53 ms |
2764 KB |
Output is correct |
| 25 |
Correct |
53 ms |
2780 KB |
Output is correct |
| 26 |
Correct |
97 ms |
2776 KB |
Output is correct |
| 27 |
Correct |
100 ms |
2784 KB |
Output is correct |
| 28 |
Correct |
99 ms |
2764 KB |
Output is correct |
| 29 |
Correct |
103 ms |
2780 KB |
Output is correct |
| 30 |
Correct |
60 ms |
2764 KB |
Output is correct |
| 31 |
Correct |
74 ms |
2776 KB |
Output is correct |
| 32 |
Correct |
63 ms |
2764 KB |
Output is correct |
| 33 |
Correct |
54 ms |
2764 KB |
Output is correct |
| 34 |
Correct |
50 ms |
2764 KB |
Output is correct |
| 35 |
Correct |
51 ms |
2764 KB |
Output is correct |
| 36 |
Correct |
55 ms |
2764 KB |
Output is correct |
| 37 |
Correct |
98 ms |
2780 KB |
Output is correct |
| 38 |
Correct |
104 ms |
2780 KB |
Output is correct |
| 39 |
Correct |
142 ms |
2780 KB |
Output is correct |
| 40 |
Correct |
150 ms |
2780 KB |
Output is correct |
| 41 |
Correct |
113 ms |
2784 KB |
Output is correct |
| 42 |
Correct |
100 ms |
2780 KB |
Output is correct |
| 43 |
Correct |
88 ms |
2788 KB |
Output is correct |
| 44 |
Correct |
123 ms |
2764 KB |
Output is correct |
| 45 |
Correct |
85 ms |
2780 KB |
Output is correct |
| 46 |
Correct |
87 ms |
2764 KB |
Output is correct |
| 47 |
Correct |
126 ms |
2764 KB |
Output is correct |
| 48 |
Correct |
82 ms |
2776 KB |
Output is correct |
| 49 |
Correct |
81 ms |
2780 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
336 KB |
Output is correct |
| 2 |
Correct |
0 ms |
336 KB |
Output is correct |
| 3 |
Correct |
0 ms |
336 KB |
Output is correct |
| 4 |
Correct |
0 ms |
336 KB |
Output is correct |
| 5 |
Correct |
0 ms |
336 KB |
Output is correct |
| 6 |
Correct |
0 ms |
332 KB |
Output is correct |
| 7 |
Correct |
0 ms |
284 KB |
Output is correct |
| 8 |
Correct |
0 ms |
332 KB |
Output is correct |
| 9 |
Correct |
0 ms |
332 KB |
Output is correct |
| 10 |
Correct |
1 ms |
588 KB |
Output is correct |
| 11 |
Correct |
1 ms |
588 KB |
Output is correct |
| 12 |
Correct |
1 ms |
588 KB |
Output is correct |
| 13 |
Correct |
1 ms |
588 KB |
Output is correct |
| 14 |
Correct |
1 ms |
588 KB |
Output is correct |
| 15 |
Correct |
1 ms |
588 KB |
Output is correct |
| 16 |
Correct |
1 ms |
588 KB |
Output is correct |
| 17 |
Correct |
1 ms |
588 KB |
Output is correct |
| 18 |
Correct |
1 ms |
588 KB |
Output is correct |
| 19 |
Correct |
1 ms |
588 KB |
Output is correct |
| 20 |
Correct |
1 ms |
588 KB |
Output is correct |
| 21 |
Correct |
48 ms |
2788 KB |
Output is correct |
| 22 |
Correct |
47 ms |
2764 KB |
Output is correct |
| 23 |
Correct |
50 ms |
2764 KB |
Output is correct |
| 24 |
Correct |
53 ms |
2764 KB |
Output is correct |
| 25 |
Correct |
53 ms |
2780 KB |
Output is correct |
| 26 |
Correct |
97 ms |
2776 KB |
Output is correct |
| 27 |
Correct |
100 ms |
2784 KB |
Output is correct |
| 28 |
Correct |
99 ms |
2764 KB |
Output is correct |
| 29 |
Correct |
103 ms |
2780 KB |
Output is correct |
| 30 |
Correct |
60 ms |
2764 KB |
Output is correct |
| 31 |
Correct |
74 ms |
2776 KB |
Output is correct |
| 32 |
Correct |
63 ms |
2764 KB |
Output is correct |
| 33 |
Correct |
54 ms |
2764 KB |
Output is correct |
| 34 |
Correct |
50 ms |
2764 KB |
Output is correct |
| 35 |
Correct |
51 ms |
2764 KB |
Output is correct |
| 36 |
Correct |
55 ms |
2764 KB |
Output is correct |
| 37 |
Correct |
98 ms |
2780 KB |
Output is correct |
| 38 |
Correct |
104 ms |
2780 KB |
Output is correct |
| 39 |
Correct |
142 ms |
2780 KB |
Output is correct |
| 40 |
Correct |
150 ms |
2780 KB |
Output is correct |
| 41 |
Correct |
113 ms |
2784 KB |
Output is correct |
| 42 |
Correct |
100 ms |
2780 KB |
Output is correct |
| 43 |
Correct |
88 ms |
2788 KB |
Output is correct |
| 44 |
Correct |
123 ms |
2764 KB |
Output is correct |
| 45 |
Correct |
85 ms |
2780 KB |
Output is correct |
| 46 |
Correct |
87 ms |
2764 KB |
Output is correct |
| 47 |
Correct |
126 ms |
2764 KB |
Output is correct |
| 48 |
Correct |
82 ms |
2776 KB |
Output is correct |
| 49 |
Correct |
81 ms |
2780 KB |
Output is correct |
| 50 |
Execution timed out |
1091 ms |
67240 KB |
Time limit exceeded |
| 51 |
Halted |
0 ms |
0 KB |
- |
