| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 101532 |
2019-03-19T03:46:14 Z |
shenxy |
Cake (CEOI14_cake) |
C++11 |
|
1572 ms |
27568 KB |
#include <cstdio>
#include <algorithm>
#include <queue>
#include <utility>
using namespace std;
typedef pair<int, int> ii;
struct segnode {
int first, last, middle, maxval;
segnode *l, *r;
segnode(int s, int e) {
first = s;
last = e;
middle = (first + last) / 2;
maxval = 0;
if (first != last) {
l = new segnode(first, middle);
r = new segnode(middle + 1, last);
}
}
void point_update(int i, int x) {
if (first == last) {
maxval = x;
return;
}
if (i > middle) r -> point_update(i, x);
else l -> point_update(i, x);
maxval = max(l -> maxval, r -> maxval);
}
int rangemaxq(int a, int b) {
if (first == a && last == b) return maxval;
if (a > middle) return r -> rangemaxq(a, b);
if (b <= middle) return l -> rangemaxq(a, b);
return max(l -> rangemaxq(a, middle), r -> rangemaxq(middle + 1, b));
}
} *root;
int getsign(int X) {
if (X == 0) return 0;
return X > 0 ? 1 : -1;
}
int main() {
//freopen("cakein.txt", "r", stdin);
int N, a, nextint;
scanf("%d %d", &N, &a);
root = new segnode(1, N);
priority_queue<ii> topten;
for (int i = 1; i <= N; i++) {
scanf("%d", &nextint);
if (i != a) {
root -> point_update(i, nextint);
topten.push(ii(nextint, i));
}
}
int realtop[10];
for (int i = 0; i < 10; i++) {
realtop[i] = topten.top().second;
topten.pop();
}
int Q, id, b;
char c;
scanf("%d", &Q);
for (int i = 0; i < Q; i++) {
scanf(" %c", &c);
if (c == 'E') {
scanf("%d %d", &id, &b);
for (int j = 0; j < b - 1; j++) root -> point_update(realtop[j], root -> rangemaxq(realtop[j], realtop[j]) + 1);
for (int j = b; j < 10; j++) realtop[j] = realtop[j - 1];
realtop[b - 1] = id;
if (b != 10) root -> point_update(id, root -> rangemaxq(realtop[b], realtop[b]) + 1);
else root -> point_update(id, root -> rangemaxq(realtop[b - 2], realtop[b - 2]) - 1);
} else {
scanf("%d", &id);
if (id == a) {
printf("0\n");
continue;
} else if (id > a) {
int bstaval = root -> rangemaxq(a + 1, id);
int lower = 1, upper = a - 1;
while (lower != upper) {
int midval = (lower + upper) / 2;
if (root -> rangemaxq(a - midval, a - 1) < bstaval) lower = midval + 1;
else upper = midval;
}
if (root -> rangemaxq(1, a - 1) < bstaval) lower = a;
printf("%d\n", lower - 1 + id - a);
} else {
int bstaval = root -> rangemaxq(id, a - 1);
int lower = 1, upper = N - a;
while (lower != upper) {
int midval = (lower + upper) / 2;
if (root -> rangemaxq(a + 1, a + midval) < bstaval) lower = midval + 1;
else upper = midval;
}
if (root -> rangemaxq(a + 1, N) < bstaval) lower = N - a + 1;
printf("%d\n", lower - 1 + a - id);
}
}
}
return 0;
}
Compilation message
cake.cpp: In function 'int main()':
cake.cpp:43:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d", &N, &a);
~~~~~^~~~~~~~~~~~~~~~~
cake.cpp:47:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &nextint);
~~~~~^~~~~~~~~~~~~~~~
cake.cpp:60:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &Q);
~~~~~^~~~~~~~~~
cake.cpp:62:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf(" %c", &c);
~~~~~^~~~~~~~~~~
cake.cpp:64:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d", &id, &b);
~~~~~^~~~~~~~~~~~~~~~~~
cake.cpp:71:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d", &id);
~~~~~^~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
356 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
359 ms |
1356 KB |
Output isn't correct |
| 2 |
Incorrect |
262 ms |
1504 KB |
Output isn't correct |
| 3 |
Correct |
287 ms |
1420 KB |
Output is correct |
| 4 |
Correct |
158 ms |
1508 KB |
Output is correct |
| 5 |
Incorrect |
458 ms |
3052 KB |
Output isn't correct |
| 6 |
Incorrect |
397 ms |
3072 KB |
Output isn't correct |
| 7 |
Correct |
299 ms |
3072 KB |
Output is correct |
| 8 |
Correct |
159 ms |
2996 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
451 ms |
11148 KB |
Output isn't correct |
| 2 |
Incorrect |
249 ms |
11120 KB |
Output isn't correct |
| 3 |
Incorrect |
210 ms |
10984 KB |
Output isn't correct |
| 4 |
Incorrect |
2 ms |
256 KB |
Output isn't correct |
| 5 |
Incorrect |
381 ms |
26568 KB |
Output isn't correct |
| 6 |
Incorrect |
494 ms |
26612 KB |
Output isn't correct |
| 7 |
Incorrect |
319 ms |
26312 KB |
Output isn't correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
55 ms |
796 KB |
Output isn't correct |
| 2 |
Correct |
76 ms |
1120 KB |
Output is correct |
| 3 |
Correct |
168 ms |
5764 KB |
Output is correct |
| 4 |
Incorrect |
176 ms |
5804 KB |
Output isn't correct |
| 5 |
Incorrect |
169 ms |
860 KB |
Output isn't correct |
| 6 |
Correct |
391 ms |
7600 KB |
Output is correct |
| 7 |
Correct |
219 ms |
1964 KB |
Output is correct |
| 8 |
Correct |
221 ms |
10864 KB |
Output is correct |
| 9 |
Incorrect |
1572 ms |
27568 KB |
Output isn't correct |
| 10 |
Incorrect |
487 ms |
1644 KB |
Output isn't correct |
| 11 |
Incorrect |
963 ms |
4036 KB |
Output isn't correct |
| 12 |
Incorrect |
1481 ms |
22448 KB |
Output isn't correct |
| 13 |
Incorrect |
1346 ms |
27520 KB |
Output isn't correct |
