Submission #101539

# Submission time Handle Problem Language Result Execution time Memory
101539 2019-03-19T03:51:42 Z shenxy Cake (CEOI14_cake) C++11
0 / 100
1617 ms 29548 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 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:39:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &N, &a);
     ~~~~~^~~~~~~~~~~~~~~~~
cake.cpp:43:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &nextint);
         ~~~~~^~~~~~~~~~~~~~~~
cake.cpp:56:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &Q);
     ~~~~~^~~~~~~~~~
cake.cpp:58:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf(" %c", &c);
         ~~~~~^~~~~~~~~~~
cake.cpp:60:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d %d", &id, &b);
             ~~~~~^~~~~~~~~~~~~~~~~~
cake.cpp:67:18: 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 256 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 356 ms 1976 KB Output isn't correct
2 Incorrect 223 ms 2140 KB Output isn't correct
3 Correct 285 ms 2168 KB Output is correct
4 Correct 178 ms 2188 KB Output is correct
5 Incorrect 417 ms 3624 KB Output isn't correct
6 Incorrect 407 ms 3604 KB Output isn't correct
7 Correct 436 ms 3600 KB Output is correct
8 Correct 236 ms 3756 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 387 ms 11736 KB Output isn't correct
2 Incorrect 273 ms 12132 KB Output isn't correct
3 Incorrect 248 ms 12020 KB Output isn't correct
4 Incorrect 2 ms 256 KB Output isn't correct
5 Incorrect 432 ms 27624 KB Output isn't correct
6 Incorrect 444 ms 27500 KB Output isn't correct
7 Incorrect 330 ms 27368 KB Output isn't correct
# Verdict Execution time Memory Grader output
1 Incorrect 79 ms 1040 KB Output isn't correct
2 Correct 69 ms 1272 KB Output is correct
3 Correct 183 ms 6616 KB Output is correct
4 Incorrect 182 ms 6516 KB Output isn't correct
5 Incorrect 146 ms 1852 KB Output isn't correct
6 Correct 419 ms 8548 KB Output is correct
7 Correct 217 ms 3184 KB Output is correct
8 Correct 231 ms 11640 KB Output is correct
9 Incorrect 1563 ms 29516 KB Output isn't correct
10 Incorrect 485 ms 3284 KB Output isn't correct
11 Incorrect 897 ms 5960 KB Output isn't correct
12 Incorrect 1617 ms 24396 KB Output isn't correct
13 Incorrect 1393 ms 29548 KB Output isn't correct