Submission #377229

# Submission time Handle Problem Language Result Execution time Memory
377229 2021-03-13T13:45:18 Z CaroLinda Money (IZhO17_money) C++14
100 / 100
270 ms 15132 KB
#include <bits/stdc++.h>
 
#define ll long long
#define all(x) x.begin(),x.end()
#define sz(x) (int)(x.size() )
#define lp(i,a,b) for(int i = a;  i< b ; i++ )
#define pii pair<int,int> 

const int MAXN = 1e6+10 ;

using namespace std ;

int N ;
int arr[MAXN] ;
int bit[MAXN] ;

void upd(int pos, int x ) { for(; pos < MAXN ; pos += pos & -pos ) bit[pos] += x ; }
int qry(int pos)
{
	int tot = 0 ;
	for(; pos > 0 ; pos -= pos & -pos ) tot += bit[pos] ;
	return tot ;
}

int main()
{
	scanf("%d", &N ) ;
	for(int i= 1 ; i <= N ; i++ ) 
	{
		scanf("%d", &arr[i] ) ;
		upd(arr[i], 1) ;
	}
	
	int ans = 0 ;
	for(int i = N ; i > 0 ; ans++ )
	{
		upd(arr[i], -1 ) ;
		int j = i-1 ;
		while( j > 0 && arr[j] <= arr[j+1] )
		{
			if( qry(arr[i]-1) - qry(arr[j] ) > 0 ) break ;
			upd(arr[j] , -1 ) ;
			j-- ;
		}
		i = j ;

	}

	printf("%d\n", ans ) ;
}

Compilation message

money.cpp: In function 'int main()':
money.cpp:27:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   27 |  scanf("%d", &N ) ;
      |  ~~~~~^~~~~~~~~~~
money.cpp:30:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   30 |   scanf("%d", &arr[i] ) ;
      |   ~~~~~^~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 380 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 620 KB Output is correct
26 Correct 1 ms 620 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 380 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 620 KB Output is correct
26 Correct 1 ms 620 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 1644 KB Output is correct
38 Correct 1 ms 1772 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 492 KB Output is correct
16 Correct 1 ms 492 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 492 KB Output is correct
19 Correct 1 ms 492 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 492 KB Output is correct
22 Correct 1 ms 380 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 620 KB Output is correct
26 Correct 1 ms 620 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 492 KB Output is correct
33 Correct 1 ms 492 KB Output is correct
34 Correct 1 ms 492 KB Output is correct
35 Correct 1 ms 364 KB Output is correct
36 Correct 1 ms 364 KB Output is correct
37 Correct 1 ms 1644 KB Output is correct
38 Correct 1 ms 1772 KB Output is correct
39 Correct 96 ms 5484 KB Output is correct
40 Correct 161 ms 8556 KB Output is correct
41 Correct 80 ms 4460 KB Output is correct
42 Correct 73 ms 4204 KB Output is correct
43 Correct 48 ms 3180 KB Output is correct
44 Correct 205 ms 9580 KB Output is correct
45 Correct 200 ms 9408 KB Output is correct
46 Correct 205 ms 9324 KB Output is correct
47 Correct 188 ms 9196 KB Output is correct
48 Correct 195 ms 9324 KB Output is correct
49 Correct 236 ms 13164 KB Output is correct
50 Correct 212 ms 13164 KB Output is correct
51 Correct 232 ms 13068 KB Output is correct
52 Correct 212 ms 13164 KB Output is correct
53 Correct 258 ms 13164 KB Output is correct
54 Correct 213 ms 13168 KB Output is correct
55 Correct 241 ms 13164 KB Output is correct
56 Correct 270 ms 15084 KB Output is correct
57 Correct 248 ms 14828 KB Output is correct
58 Correct 253 ms 15132 KB Output is correct
59 Correct 256 ms 14956 KB Output is correct
60 Correct 254 ms 14900 KB Output is correct
61 Correct 236 ms 14828 KB Output is correct
62 Correct 258 ms 14828 KB Output is correct