#include <stdio.h>
#include <string.h>
#define N 500
int max(int a, int b) { return a > b ? a : b; }
int main() {
static int xx[N], yy[N], vv[N], dp[N + 1][N + 1], dq[N + 1][N + 1], dp_[N + 1][N + 1], dq_[N + 1][N + 1];
int n, i, j, k, ans;
scanf("%d", &n);
for (i = 0; i < n; i++)
scanf("%d%d%d", &xx[i], &yy[i], &vv[i]);
ans = 0;
for (k = 2; k <= n + 1; k++) {
for (i = 0; i < k; i++) {
memset(dp_[i], -1, k * sizeof *dp_[i]);
memset(dq_[i], -1, k * sizeof *dq_[i]);
}
if (k == 2) {
dp_[1][0] = vv[0];
if (n >= 3)
dq_[0][1] = vv[2];
} else
for (i = 0; i + 1 < k; i++)
for (j = 0; j + 1 < k; j++) {
int x;
if ((x = dp[i][j]) != -1) {
if (xx[j] == xx[i] || yy[j] == yy[i])
dp_[k - 1][i] = max(dp_[k - 1][i], x + vv[i]);
if (k < n && (xx[j] == xx[k] || yy[j] == yy[k]))
dq_[i][k - 1] = max(dq_[i][k - 1], x + vv[k]);
}
if ((x = dq[i][j]) != -1) {
if (xx[k - 1] == xx[i] || yy[k - 1] == yy[i])
dp_[j][i] = max(dp_[j][i], x + vv[i]);
if (k < n && (xx[k - 1] == xx[k] || yy[k - 1] == yy[k]))
dq_[i][j] = max(dq_[i][j], x + vv[k]);
}
}
for (i = 0; i < k; i++)
for (j = 0; j < k; j++) {
dp[i][j] = dp_[i][j], dq[i][j] = dq_[i][j];
ans = max(ans, max(dp[i][j], dq[i][j]));
}
}
printf("%d\n", ans);
return 0;
}
Compilation message
cardgame2.c: In function 'main':
cardgame2.c:12:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | scanf("%d", &n);
| ^~~~~~~~~~~~~~~
cardgame2.c:14:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
14 | scanf("%d%d%d", &xx[i], &yy[i], &vv[i]);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
468 KB |
Output is correct |
| 6 |
Correct |
1 ms |
468 KB |
Output is correct |
| 7 |
Correct |
1 ms |
468 KB |
Output is correct |
| 8 |
Correct |
0 ms |
468 KB |
Output is correct |
| 9 |
Correct |
0 ms |
468 KB |
Output is correct |
| 10 |
Correct |
0 ms |
468 KB |
Output is correct |
| 11 |
Correct |
0 ms |
468 KB |
Output is correct |
| 12 |
Correct |
0 ms |
468 KB |
Output is correct |
| 13 |
Correct |
0 ms |
468 KB |
Output is correct |
| 14 |
Correct |
0 ms |
468 KB |
Output is correct |
| 15 |
Correct |
0 ms |
468 KB |
Output is correct |
| 16 |
Correct |
1 ms |
468 KB |
Output is correct |
| 17 |
Correct |
1 ms |
468 KB |
Output is correct |
| 18 |
Correct |
1 ms |
468 KB |
Output is correct |
| 19 |
Correct |
1 ms |
468 KB |
Output is correct |
| 20 |
Correct |
1 ms |
424 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
468 KB |
Output is correct |
| 6 |
Correct |
1 ms |
468 KB |
Output is correct |
| 7 |
Correct |
1 ms |
468 KB |
Output is correct |
| 8 |
Correct |
0 ms |
468 KB |
Output is correct |
| 9 |
Correct |
0 ms |
468 KB |
Output is correct |
| 10 |
Correct |
0 ms |
468 KB |
Output is correct |
| 11 |
Correct |
0 ms |
468 KB |
Output is correct |
| 12 |
Correct |
0 ms |
468 KB |
Output is correct |
| 13 |
Correct |
0 ms |
468 KB |
Output is correct |
| 14 |
Correct |
0 ms |
468 KB |
Output is correct |
| 15 |
Correct |
0 ms |
468 KB |
Output is correct |
| 16 |
Correct |
1 ms |
468 KB |
Output is correct |
| 17 |
Correct |
1 ms |
468 KB |
Output is correct |
| 18 |
Correct |
1 ms |
468 KB |
Output is correct |
| 19 |
Correct |
1 ms |
468 KB |
Output is correct |
| 20 |
Correct |
1 ms |
424 KB |
Output is correct |
| 21 |
Correct |
0 ms |
212 KB |
Output is correct |
| 22 |
Correct |
0 ms |
292 KB |
Output is correct |
| 23 |
Correct |
0 ms |
340 KB |
Output is correct |
| 24 |
Correct |
0 ms |
468 KB |
Output is correct |
| 25 |
Correct |
1 ms |
596 KB |
Output is correct |
| 26 |
Correct |
1 ms |
596 KB |
Output is correct |
| 27 |
Correct |
1 ms |
596 KB |
Output is correct |
| 28 |
Correct |
1 ms |
596 KB |
Output is correct |
| 29 |
Correct |
1 ms |
596 KB |
Output is correct |
| 30 |
Correct |
1 ms |
596 KB |
Output is correct |
| 31 |
Correct |
1 ms |
596 KB |
Output is correct |
| 32 |
Correct |
1 ms |
596 KB |
Output is correct |
| 33 |
Correct |
1 ms |
676 KB |
Output is correct |
| 34 |
Correct |
1 ms |
596 KB |
Output is correct |
| 35 |
Correct |
1 ms |
596 KB |
Output is correct |
| 36 |
Correct |
1 ms |
596 KB |
Output is correct |
| 37 |
Correct |
1 ms |
596 KB |
Output is correct |
| 38 |
Correct |
1 ms |
596 KB |
Output is correct |
| 39 |
Correct |
1 ms |
596 KB |
Output is correct |
| 40 |
Correct |
1 ms |
596 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
0 ms |
340 KB |
Output is correct |
| 5 |
Correct |
1 ms |
468 KB |
Output is correct |
| 6 |
Correct |
1 ms |
468 KB |
Output is correct |
| 7 |
Correct |
1 ms |
468 KB |
Output is correct |
| 8 |
Correct |
0 ms |
468 KB |
Output is correct |
| 9 |
Correct |
0 ms |
468 KB |
Output is correct |
| 10 |
Correct |
0 ms |
468 KB |
Output is correct |
| 11 |
Correct |
0 ms |
468 KB |
Output is correct |
| 12 |
Correct |
0 ms |
468 KB |
Output is correct |
| 13 |
Correct |
0 ms |
468 KB |
Output is correct |
| 14 |
Correct |
0 ms |
468 KB |
Output is correct |
| 15 |
Correct |
0 ms |
468 KB |
Output is correct |
| 16 |
Correct |
1 ms |
468 KB |
Output is correct |
| 17 |
Correct |
1 ms |
468 KB |
Output is correct |
| 18 |
Correct |
1 ms |
468 KB |
Output is correct |
| 19 |
Correct |
1 ms |
468 KB |
Output is correct |
| 20 |
Correct |
1 ms |
424 KB |
Output is correct |
| 21 |
Correct |
0 ms |
212 KB |
Output is correct |
| 22 |
Correct |
0 ms |
292 KB |
Output is correct |
| 23 |
Correct |
0 ms |
340 KB |
Output is correct |
| 24 |
Correct |
0 ms |
468 KB |
Output is correct |
| 25 |
Correct |
1 ms |
596 KB |
Output is correct |
| 26 |
Correct |
1 ms |
596 KB |
Output is correct |
| 27 |
Correct |
1 ms |
596 KB |
Output is correct |
| 28 |
Correct |
1 ms |
596 KB |
Output is correct |
| 29 |
Correct |
1 ms |
596 KB |
Output is correct |
| 30 |
Correct |
1 ms |
596 KB |
Output is correct |
| 31 |
Correct |
1 ms |
596 KB |
Output is correct |
| 32 |
Correct |
1 ms |
596 KB |
Output is correct |
| 33 |
Correct |
1 ms |
676 KB |
Output is correct |
| 34 |
Correct |
1 ms |
596 KB |
Output is correct |
| 35 |
Correct |
1 ms |
596 KB |
Output is correct |
| 36 |
Correct |
1 ms |
596 KB |
Output is correct |
| 37 |
Correct |
1 ms |
596 KB |
Output is correct |
| 38 |
Correct |
1 ms |
596 KB |
Output is correct |
| 39 |
Correct |
1 ms |
596 KB |
Output is correct |
| 40 |
Correct |
1 ms |
596 KB |
Output is correct |
| 41 |
Correct |
0 ms |
212 KB |
Output is correct |
| 42 |
Correct |
0 ms |
212 KB |
Output is correct |
| 43 |
Correct |
0 ms |
340 KB |
Output is correct |
| 44 |
Correct |
151 ms |
4184 KB |
Output is correct |
| 45 |
Correct |
160 ms |
4188 KB |
Output is correct |
| 46 |
Correct |
143 ms |
4160 KB |
Output is correct |
| 47 |
Correct |
153 ms |
4144 KB |
Output is correct |
| 48 |
Correct |
140 ms |
4172 KB |
Output is correct |
| 49 |
Correct |
144 ms |
4224 KB |
Output is correct |
| 50 |
Correct |
158 ms |
4168 KB |
Output is correct |
| 51 |
Correct |
150 ms |
4240 KB |
Output is correct |
| 52 |
Correct |
149 ms |
4136 KB |
Output is correct |
| 53 |
Correct |
143 ms |
4216 KB |
Output is correct |
| 54 |
Correct |
140 ms |
4276 KB |
Output is correct |
| 55 |
Correct |
142 ms |
4176 KB |
Output is correct |
| 56 |
Correct |
145 ms |
4144 KB |
Output is correct |
| 57 |
Correct |
140 ms |
4172 KB |
Output is correct |
| 58 |
Correct |
149 ms |
4152 KB |
Output is correct |
| 59 |
Correct |
154 ms |
4104 KB |
Output is correct |
| 60 |
Correct |
140 ms |
4144 KB |
Output is correct |
| 61 |
Correct |
147 ms |
4108 KB |
Output is correct |
| 62 |
Correct |
146 ms |
4144 KB |
Output is correct |
| 63 |
Correct |
258 ms |
4212 KB |
Output is correct |
| 64 |
Correct |
198 ms |
4192 KB |
Output is correct |
| 65 |
Correct |
178 ms |
4244 KB |
Output is correct |
| 66 |
Correct |
172 ms |
4164 KB |
Output is correct |
| 67 |
Correct |
164 ms |
4180 KB |
Output is correct |
