oj.uz

Submission #56214

# Submission time Handle Problem Language Result Execution time Memory
56214 2018-07-10T09:11:25 Z 강태규(#1579) Swap (BOI16_swap) C++11
100 / 100
 161 ms 23836 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <unordered_map>
#include <functional>
#include <cstring>
#include <cmath>
#include <ctime>
#include <cstdlib>

using namespace std;
typedef long long llong;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<llong, llong> pll;

int n;
int x[200001];
int d[200000];
struct node {
    node *l, *r;
    int x;
    int * ch;
    node() {}
    node(int x, node *l, node *r, int * ch) : l(l), r(r), x(x), ch(ch) {}
    int query() {
        if (x) return x;
        if (*ch) return l->query();
        return min(l->query(), r->query());
    }
    int erase(int v) {
        if (x) {
            if (x == v) return 1;
            return 0;
        }
        if (*ch) return l->erase(v);
        *ch = 1;
        if (l->erase(v)) return 1;
        if (r->erase(v)) {
            swap(*l, *r);
            return 1;
        }
        return *ch = 0;
    }
} db[600000];

node * ns[200001];
int main() {
    scanf("%d", &n);
    int tp = 0;
    for (int i = 1; i <= n; ++i) {
        scanf("%d", x + i);
        ns[i] = &(db[tp++] = node(x[i], 0, 0, 0));
    }
    for (int i = 2; i <= n; ++i) {
        node *p = ns[i >> 1];
        node *x = ns[i];
        int * ch = d + (i - 2);
        ns[i >> 1] = &(db[tp++] = node(0, p, x, ch));
        ns[i] = &(db[tp++] = node(0, x, p, ch));
    }
    for (int i = 1; i <= n; ++i) {
        int ret = ns[i]->query();
        printf("%d%c", ret, i < n ? ' ' : '\n');
        ns[i]->erase(ret);
    }
    return 0;
}

Compilation message

swap.cpp: In function 'int main()':
swap.cpp:53:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
     ~~~~~^~~~~~~~~~
swap.cpp:56:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", x + i);
         ~~~~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 536 KB Output is correct
4 Correct 2 ms 556 KB Output is correct
5 Correct 2 ms 556 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 536 KB Output is correct
4 Correct 2 ms 556 KB Output is correct
5 Correct 2 ms 556 KB Output is correct
6 Correct 2 ms 556 KB Output is correct
7 Correct 2 ms 556 KB Output is correct
8 Correct 2 ms 556 KB Output is correct
9 Correct 2 ms 556 KB Output is correct
10 Correct 2 ms 680 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 536 KB Output is correct
4 Correct 2 ms 556 KB Output is correct
5 Correct 2 ms 556 KB Output is correct
6 Correct 2 ms 556 KB Output is correct
7 Correct 2 ms 556 KB Output is correct
8 Correct 2 ms 556 KB Output is correct
9 Correct 2 ms 556 KB Output is correct
10 Correct 2 ms 680 KB Output is correct
11 Correct 3 ms 680 KB Output is correct
12 Correct 3 ms 704 KB Output is correct
13 Correct 2 ms 704 KB Output is correct
14 Correct 3 ms 704 KB Output is correct
15 Correct 2 ms 756 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 536 KB Output is correct
4 Correct 2 ms 556 KB Output is correct
5 Correct 2 ms 556 KB Output is correct
6 Correct 2 ms 556 KB Output is correct
7 Correct 2 ms 556 KB Output is correct
8 Correct 2 ms 556 KB Output is correct
9 Correct 2 ms 556 KB Output is correct
10 Correct 2 ms 680 KB Output is correct
11 Correct 3 ms 680 KB Output is correct
12 Correct 3 ms 704 KB Output is correct
13 Correct 2 ms 704 KB Output is correct
14 Correct 3 ms 704 KB Output is correct
15 Correct 2 ms 756 KB Output is correct
16 Correct 27 ms 6388 KB Output is correct
17 Correct 53 ms 6396 KB Output is correct
18 Correct 27 ms 6412 KB Output is correct
19 Correct 37 ms 6412 KB Output is correct
20 Correct 36 ms 6428 KB Output is correct

Subtask #5
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 2 ms 536 KB Output is correct
4 Correct 2 ms 556 KB Output is correct
5 Correct 2 ms 556 KB Output is correct
6 Correct 2 ms 556 KB Output is correct
7 Correct 2 ms 556 KB Output is correct
8 Correct 2 ms 556 KB Output is correct
9 Correct 2 ms 556 KB Output is correct
10 Correct 2 ms 680 KB Output is correct
11 Correct 3 ms 680 KB Output is correct
12 Correct 3 ms 704 KB Output is correct
13 Correct 2 ms 704 KB Output is correct
14 Correct 3 ms 704 KB Output is correct
15 Correct 2 ms 756 KB Output is correct
16 Correct 27 ms 6388 KB Output is correct
17 Correct 53 ms 6396 KB Output is correct
18 Correct 27 ms 6412 KB Output is correct
19 Correct 37 ms 6412 KB Output is correct
20 Correct 36 ms 6428 KB Output is correct
21 Correct 161 ms 23816 KB Output is correct
22 Correct 150 ms 23836 KB Output is correct
23 Correct 99 ms 23836 KB Output is correct
24 Correct 121 ms 23836 KB Output is correct
25 Correct 127 ms 23836 KB Output is correct