Submission #38234

# Submission time Handle Problem Language Result Execution time Memory
38234 2018-01-03T05:04:13 Z antimirage Money (IZhO17_money) C++14
100 / 100
896 ms 21548 KB
#include <iostream>
#include <vector>
#include <deque>
#include <math.h>
#include <set>
#include <iomanip>
#include <time.h>
#include <list>
#include <stdio.h>
#include <queue>
#include <map>
#include <algorithm>
#include <assert.h>
#include <memory.h>

#define mk make_pair
#define sc second
#define fr first
#define pb emplace_back
#define all(s) s.begin(), s.end()
#define sz(s) ( (int)s.size() )

using namespace std;

const int N = 1e6 + 5;

int n, ar[N], cur, ans, l = 1, Pos = 1e9 + 7, t[N * 4], mx = 1e6 + 1;

void update (int pos, int v = 1, int tl = 1, int tr = mx)
{
    if (tl == tr)
        t[v] = tl;
    else
    {
        int tm = (tl + tr) >> 1;
        if (pos <= tm)
            update( pos, v + v, tl, tm );
        else
            update( pos, v + v + 1, tm + 1, tr);

        t[v] = min(t[v + v] , t[v + v + 1]);
    }
}
inline int min(int a, int b)
{
    return a < b ? a : b;
}
int get (int val, int v = 1, int tl = 1, int tr = mx)
{
    if (t[v] == t[0] || val > tr)
        return 1e9 + 7;

    if (tl >= val)
        return t[v];

    int tm = (tl + tr) >> 1;

    return min( get( val, v + v, tl, tm ), get ( val, v + v + 1, tm + 1, tr ) );
}
main ()
{
    memset(t, 0x3f3f3f, sizeof(t));

    scanf("%d", &n);

    for (int i = 1; i <= n; i++)
        scanf("%d", &ar[i]);

    cur = ar[1];

    int i = 1;

    while (i <= n)
    {
        if ( ar[i] < ar[i - 1] || Pos < ar[i] )
        {
            ans++;
            cur = ar[i];

            while ( l < i )
                update( ar[l] ), l++;

            Pos = get( cur + 1 );
        }
        i++;
    }
    printf("%d\n", ans + 1);
}
/**
8
1 17 13 18 4 15 19 17
**/

Compilation message

money.cpp:60:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main ()
       ^
money.cpp: In function 'int main()':
money.cpp:64:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
money.cpp:67:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &ar[i]);
                            ^
# Verdict Execution time Memory Grader output
1 Correct 6 ms 21548 KB Output is correct
2 Correct 0 ms 21548 KB Output is correct
3 Correct 0 ms 21548 KB Output is correct
4 Correct 0 ms 21548 KB Output is correct
5 Correct 0 ms 21548 KB Output is correct
6 Correct 0 ms 21548 KB Output is correct
7 Correct 3 ms 21548 KB Output is correct
8 Correct 0 ms 21548 KB Output is correct
9 Correct 0 ms 21548 KB Output is correct
10 Correct 3 ms 21548 KB Output is correct
11 Correct 6 ms 21548 KB Output is correct
12 Correct 0 ms 21548 KB Output is correct
13 Correct 0 ms 21548 KB Output is correct
14 Correct 6 ms 21548 KB Output is correct
15 Correct 3 ms 21548 KB Output is correct
16 Correct 6 ms 21548 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 21548 KB Output is correct
2 Correct 0 ms 21548 KB Output is correct
3 Correct 0 ms 21548 KB Output is correct
4 Correct 0 ms 21548 KB Output is correct
5 Correct 0 ms 21548 KB Output is correct
6 Correct 0 ms 21548 KB Output is correct
7 Correct 3 ms 21548 KB Output is correct
8 Correct 0 ms 21548 KB Output is correct
9 Correct 0 ms 21548 KB Output is correct
10 Correct 3 ms 21548 KB Output is correct
11 Correct 6 ms 21548 KB Output is correct
12 Correct 0 ms 21548 KB Output is correct
13 Correct 0 ms 21548 KB Output is correct
14 Correct 6 ms 21548 KB Output is correct
15 Correct 3 ms 21548 KB Output is correct
16 Correct 6 ms 21548 KB Output is correct
17 Correct 0 ms 21548 KB Output is correct
18 Correct 0 ms 21548 KB Output is correct
19 Correct 0 ms 21548 KB Output is correct
20 Correct 3 ms 21548 KB Output is correct
21 Correct 3 ms 21548 KB Output is correct
22 Correct 0 ms 21548 KB Output is correct
23 Correct 3 ms 21548 KB Output is correct
24 Correct 0 ms 21548 KB Output is correct
25 Correct 0 ms 21548 KB Output is correct
26 Correct 3 ms 21548 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 21548 KB Output is correct
2 Correct 0 ms 21548 KB Output is correct
3 Correct 0 ms 21548 KB Output is correct
4 Correct 0 ms 21548 KB Output is correct
5 Correct 0 ms 21548 KB Output is correct
6 Correct 0 ms 21548 KB Output is correct
7 Correct 3 ms 21548 KB Output is correct
8 Correct 0 ms 21548 KB Output is correct
9 Correct 0 ms 21548 KB Output is correct
10 Correct 3 ms 21548 KB Output is correct
11 Correct 6 ms 21548 KB Output is correct
12 Correct 0 ms 21548 KB Output is correct
13 Correct 0 ms 21548 KB Output is correct
14 Correct 6 ms 21548 KB Output is correct
15 Correct 3 ms 21548 KB Output is correct
16 Correct 6 ms 21548 KB Output is correct
17 Correct 0 ms 21548 KB Output is correct
18 Correct 0 ms 21548 KB Output is correct
19 Correct 0 ms 21548 KB Output is correct
20 Correct 3 ms 21548 KB Output is correct
21 Correct 3 ms 21548 KB Output is correct
22 Correct 0 ms 21548 KB Output is correct
23 Correct 3 ms 21548 KB Output is correct
24 Correct 0 ms 21548 KB Output is correct
25 Correct 0 ms 21548 KB Output is correct
26 Correct 3 ms 21548 KB Output is correct
27 Correct 6 ms 21548 KB Output is correct
28 Correct 0 ms 21548 KB Output is correct
29 Correct 0 ms 21548 KB Output is correct
30 Correct 0 ms 21548 KB Output is correct
31 Correct 0 ms 21548 KB Output is correct
32 Correct 0 ms 21548 KB Output is correct
33 Correct 0 ms 21548 KB Output is correct
34 Correct 0 ms 21548 KB Output is correct
35 Correct 0 ms 21548 KB Output is correct
36 Correct 0 ms 21548 KB Output is correct
37 Correct 0 ms 21548 KB Output is correct
38 Correct 0 ms 21548 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 21548 KB Output is correct
2 Correct 0 ms 21548 KB Output is correct
3 Correct 0 ms 21548 KB Output is correct
4 Correct 0 ms 21548 KB Output is correct
5 Correct 0 ms 21548 KB Output is correct
6 Correct 0 ms 21548 KB Output is correct
7 Correct 3 ms 21548 KB Output is correct
8 Correct 0 ms 21548 KB Output is correct
9 Correct 0 ms 21548 KB Output is correct
10 Correct 3 ms 21548 KB Output is correct
11 Correct 6 ms 21548 KB Output is correct
12 Correct 0 ms 21548 KB Output is correct
13 Correct 0 ms 21548 KB Output is correct
14 Correct 6 ms 21548 KB Output is correct
15 Correct 3 ms 21548 KB Output is correct
16 Correct 6 ms 21548 KB Output is correct
17 Correct 0 ms 21548 KB Output is correct
18 Correct 0 ms 21548 KB Output is correct
19 Correct 0 ms 21548 KB Output is correct
20 Correct 3 ms 21548 KB Output is correct
21 Correct 3 ms 21548 KB Output is correct
22 Correct 0 ms 21548 KB Output is correct
23 Correct 3 ms 21548 KB Output is correct
24 Correct 0 ms 21548 KB Output is correct
25 Correct 0 ms 21548 KB Output is correct
26 Correct 3 ms 21548 KB Output is correct
27 Correct 6 ms 21548 KB Output is correct
28 Correct 0 ms 21548 KB Output is correct
29 Correct 0 ms 21548 KB Output is correct
30 Correct 0 ms 21548 KB Output is correct
31 Correct 0 ms 21548 KB Output is correct
32 Correct 0 ms 21548 KB Output is correct
33 Correct 0 ms 21548 KB Output is correct
34 Correct 0 ms 21548 KB Output is correct
35 Correct 0 ms 21548 KB Output is correct
36 Correct 0 ms 21548 KB Output is correct
37 Correct 0 ms 21548 KB Output is correct
38 Correct 0 ms 21548 KB Output is correct
39 Correct 179 ms 21548 KB Output is correct
40 Correct 296 ms 21548 KB Output is correct
41 Correct 123 ms 21548 KB Output is correct
42 Correct 153 ms 21548 KB Output is correct
43 Correct 113 ms 21548 KB Output is correct
44 Correct 396 ms 21548 KB Output is correct
45 Correct 359 ms 21548 KB Output is correct
46 Correct 409 ms 21548 KB Output is correct
47 Correct 306 ms 21548 KB Output is correct
48 Correct 309 ms 21548 KB Output is correct
49 Correct 586 ms 21548 KB Output is correct
50 Correct 546 ms 21548 KB Output is correct
51 Correct 633 ms 21548 KB Output is correct
52 Correct 546 ms 21548 KB Output is correct
53 Correct 639 ms 21548 KB Output is correct
54 Correct 619 ms 21548 KB Output is correct
55 Correct 839 ms 21548 KB Output is correct
56 Correct 849 ms 21548 KB Output is correct
57 Correct 833 ms 21548 KB Output is correct
58 Correct 806 ms 21548 KB Output is correct
59 Correct 783 ms 21548 KB Output is correct
60 Correct 869 ms 21548 KB Output is correct
61 Correct 866 ms 21548 KB Output is correct
62 Correct 896 ms 21548 KB Output is correct