#include <stdio.h>
#include <stdlib.h>
#define N 1000000
int max(int a, int b) { return a > b ? a : b; }
int ft[N];
void update(int i, int n, int x) {
while (i < n) {
ft[i] = max(ft[i], x);
i |= i + 1;
}
}
int query(int i) {
int x = 0;
while (i >= 0) {
x = max(x, ft[i]);
i &= i + 1, i--;
}
return x;
}
int *ei[N], eo[N];
void append(int h, int i) {
int o = eo[h]++;
if (o >= 2 && (o & o - 1) == 0)
ei[h] = (int *) realloc(ei[h], o * 2 * sizeof *ei[h]);
ei[h][o] = i;
}
int main() {
static int aa[N], nxt[N], hh[N];
int n, h, i, j, l, c;
scanf("%d", &n);
for (i = 0; i < n; i++)
scanf("%d", &aa[i]), aa[i]--;
for (i = 0; i < n; i++)
update(aa[i], n, (hh[i] = query(aa[i])) + 1);
l = query(n - 1);
for (h = 0; h < l; h++)
ei[h] = (int *) malloc(2 * sizeof *ei[h]);
for (i = 0; i < n; i++) {
append(hh[i], i);
nxt[i] = -1;
}
c = 0, h = 0;
while (1)
if (h == l) {
for (h = 0; h < l; h++)
nxt[ei[h][eo[h] - 1]] = h + 1 == l ? n : ei[h + 1][eo[h + 1] - 1], eo[h]--;
c++, h = 0;
} else {
if (eo[h] == 0)
break;
if (h > 0) {
if (ei[h - 1][eo[h - 1] - 1] > ei[h][eo[h] - 1]) {
eo[--h]--;
continue;
}
if (aa[ei[h - 1][eo[h - 1] - 1]] > aa[ei[h][eo[h] - 1]]) {
eo[h]--;
continue;
}
}
h++;
}
printf("%d %d\n", c, l);
for (i = 0; i < n; i++)
if (hh[i] == 0 && nxt[i] != -1) {
for (j = i; j < n; j = nxt[j])
printf("%d ", j + 1);
printf("\n");
}
return 0;
}
Compilation message
Main.c: In function 'append':
Main.c:32:23: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
32 | if (o >= 2 && (o & o - 1) == 0)
| ~~^~~
Main.c: In function 'main':
Main.c:41:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
41 | scanf("%d", &n);
| ^~~~~~~~~~~~~~~
Main.c:43:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
43 | scanf("%d", &aa[i]), aa[i]--;
| ^~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 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 |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
0 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
0 ms |
204 KB |
Output is correct |
| 16 |
Correct |
0 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
204 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
0 ms |
204 KB |
Output is correct |
| 20 |
Correct |
0 ms |
204 KB |
Output is correct |
| 21 |
Correct |
0 ms |
204 KB |
Output is correct |
| 22 |
Correct |
0 ms |
204 KB |
Output is correct |
| 23 |
Correct |
0 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 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 |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
0 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
0 ms |
204 KB |
Output is correct |
| 16 |
Correct |
0 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
204 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
0 ms |
204 KB |
Output is correct |
| 20 |
Correct |
0 ms |
204 KB |
Output is correct |
| 21 |
Correct |
0 ms |
204 KB |
Output is correct |
| 22 |
Correct |
0 ms |
204 KB |
Output is correct |
| 23 |
Correct |
0 ms |
204 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
0 ms |
332 KB |
Output is correct |
| 26 |
Correct |
0 ms |
332 KB |
Output is correct |
| 27 |
Correct |
0 ms |
344 KB |
Output is correct |
| 28 |
Correct |
0 ms |
332 KB |
Output is correct |
| 29 |
Correct |
1 ms |
332 KB |
Output is correct |
| 30 |
Correct |
1 ms |
332 KB |
Output is correct |
| 31 |
Correct |
0 ms |
332 KB |
Output is correct |
| 32 |
Correct |
0 ms |
332 KB |
Output is correct |
| 33 |
Correct |
0 ms |
332 KB |
Output is correct |
| 34 |
Correct |
0 ms |
332 KB |
Output is correct |
| 35 |
Correct |
0 ms |
332 KB |
Output is correct |
| 36 |
Correct |
0 ms |
332 KB |
Output is correct |
| 37 |
Correct |
0 ms |
332 KB |
Output is correct |
| 38 |
Correct |
1 ms |
332 KB |
Output is correct |
| 39 |
Correct |
0 ms |
204 KB |
Output is correct |
| 40 |
Correct |
0 ms |
204 KB |
Output is correct |
| 41 |
Correct |
0 ms |
204 KB |
Output is correct |
| 42 |
Correct |
0 ms |
204 KB |
Output is correct |
| 43 |
Correct |
0 ms |
204 KB |
Output is correct |
| 44 |
Correct |
0 ms |
204 KB |
Output is correct |
| 45 |
Correct |
0 ms |
204 KB |
Output is correct |
| 46 |
Correct |
0 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
204 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 |
204 KB |
Output is correct |
| 6 |
Correct |
0 ms |
204 KB |
Output is correct |
| 7 |
Correct |
0 ms |
204 KB |
Output is correct |
| 8 |
Correct |
0 ms |
204 KB |
Output is correct |
| 9 |
Correct |
0 ms |
204 KB |
Output is correct |
| 10 |
Correct |
0 ms |
204 KB |
Output is correct |
| 11 |
Correct |
0 ms |
204 KB |
Output is correct |
| 12 |
Correct |
0 ms |
204 KB |
Output is correct |
| 13 |
Correct |
0 ms |
204 KB |
Output is correct |
| 14 |
Correct |
0 ms |
204 KB |
Output is correct |
| 15 |
Correct |
0 ms |
204 KB |
Output is correct |
| 16 |
Correct |
0 ms |
204 KB |
Output is correct |
| 17 |
Correct |
0 ms |
204 KB |
Output is correct |
| 18 |
Correct |
0 ms |
204 KB |
Output is correct |
| 19 |
Correct |
0 ms |
204 KB |
Output is correct |
| 20 |
Correct |
0 ms |
204 KB |
Output is correct |
| 21 |
Correct |
0 ms |
204 KB |
Output is correct |
| 22 |
Correct |
0 ms |
204 KB |
Output is correct |
| 23 |
Correct |
0 ms |
204 KB |
Output is correct |
| 24 |
Correct |
1 ms |
332 KB |
Output is correct |
| 25 |
Correct |
0 ms |
332 KB |
Output is correct |
| 26 |
Correct |
0 ms |
332 KB |
Output is correct |
| 27 |
Correct |
0 ms |
344 KB |
Output is correct |
| 28 |
Correct |
0 ms |
332 KB |
Output is correct |
| 29 |
Correct |
1 ms |
332 KB |
Output is correct |
| 30 |
Correct |
1 ms |
332 KB |
Output is correct |
| 31 |
Correct |
0 ms |
332 KB |
Output is correct |
| 32 |
Correct |
0 ms |
332 KB |
Output is correct |
| 33 |
Correct |
0 ms |
332 KB |
Output is correct |
| 34 |
Correct |
0 ms |
332 KB |
Output is correct |
| 35 |
Correct |
0 ms |
332 KB |
Output is correct |
| 36 |
Correct |
0 ms |
332 KB |
Output is correct |
| 37 |
Correct |
0 ms |
332 KB |
Output is correct |
| 38 |
Correct |
1 ms |
332 KB |
Output is correct |
| 39 |
Correct |
0 ms |
204 KB |
Output is correct |
| 40 |
Correct |
0 ms |
204 KB |
Output is correct |
| 41 |
Correct |
0 ms |
204 KB |
Output is correct |
| 42 |
Correct |
0 ms |
204 KB |
Output is correct |
| 43 |
Correct |
0 ms |
204 KB |
Output is correct |
| 44 |
Correct |
0 ms |
204 KB |
Output is correct |
| 45 |
Correct |
0 ms |
204 KB |
Output is correct |
| 46 |
Correct |
0 ms |
204 KB |
Output is correct |
| 47 |
Correct |
83 ms |
9592 KB |
Output is correct |
| 48 |
Correct |
83 ms |
10256 KB |
Output is correct |
| 49 |
Correct |
106 ms |
13224 KB |
Output is correct |
| 50 |
Correct |
187 ms |
22320 KB |
Output is correct |
| 51 |
Correct |
40 ms |
5836 KB |
Output is correct |
| 52 |
Correct |
269 ms |
66948 KB |
Output is correct |
| 53 |
Correct |
245 ms |
28868 KB |
Output is correct |
| 54 |
Correct |
239 ms |
28088 KB |
Output is correct |
| 55 |
Correct |
278 ms |
27976 KB |
Output is correct |
| 56 |
Correct |
2 ms |
588 KB |
Output is correct |
| 57 |
Correct |
151 ms |
18208 KB |
Output is correct |
| 58 |
Correct |
35 ms |
4976 KB |
Output is correct |
| 59 |
Correct |
29 ms |
4376 KB |
Output is correct |
| 60 |
Correct |
152 ms |
18516 KB |
Output is correct |
| 61 |
Correct |
93 ms |
12316 KB |
Output is correct |
| 62 |
Correct |
0 ms |
204 KB |
Output is correct |
| 63 |
Correct |
0 ms |
204 KB |
Output is correct |
| 64 |
Correct |
0 ms |
204 KB |
Output is correct |
| 65 |
Correct |
0 ms |
204 KB |
Output is correct |
| 66 |
Correct |
0 ms |
204 KB |
Output is correct |
| 67 |
Correct |
0 ms |
204 KB |
Output is correct |
| 68 |
Correct |
0 ms |
332 KB |
Output is correct |
| 69 |
Correct |
0 ms |
332 KB |
Output is correct |
