oj.uz

Submission #499030

# Submission time Handle Problem Language Result Execution time Memory
499030 2021-12-27T05:21:41 Z beksultan04 Money (IZhO17_money) C++14
100 / 100
 790 ms 31360 KB 
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define int long long
#define pii pair<int,int>
#define ret return
#define fr first
#define sc second
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define nosol puts("-1");
#define pb push_back
#define endi puts("");
#define ordered_set tree <int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
const int N = 1e6+12,INF = 1e15+7;
int der[4*N],a[N];

void update(int v,int l,int r,int pos){
	if (l == r){
		der[v]++;
		ret;
	}
	int m = l+r>>1;
	if (m < pos)
		update((v<<1)+1,m+1,r,pos);
	else update(v<<1,l,m,pos);
	
	der[v] = der[v<<1]+der[(v<<1)+1];
}

int get_ans(int v,int l,int r,int ql,int qr){
    if (r <= ql || qr <= l || ql > qr)ret 0;
    if (ql < l && r < qr)ret der[v];
	int m = l+r>>1;
	ret get_ans(v<<1,l,m,ql,qr)+get_ans(v<<1|1,m+1,r,ql,qr);
}


main(){
	int n,i,ans=0;
	cin>>n;
	for (i=1;i<=n;++i)
		cin>>a[i];
	int l = 1;
	for (i=1;i<=n;++i){
		int x = get_ans(1,1,1000000,a[l],a[i+1]);
		if (a[i+1] < a[i] || x){
			ans++;
			while (l <= i){
				update(1,1,1000000,a[l++]);
			}
		}
		
	}
	cout <<ans;
	
}

Compilation message

money.cpp: In function 'void update(long long int, long long int, long long int, long long int)':
money.cpp:28:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   28 |  int m = l+r>>1;
      |          ~^~
money.cpp: In function 'long long int get_ans(long long int, long long int, long long int, long long int, long long int)':
money.cpp:39:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   39 |  int m = l+r>>1;
      |          ~^~
money.cpp: At global scope:
money.cpp:44:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   44 | main(){
      | ^~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 0 ms 432 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 0 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 556 KB Output is correct
16 Correct 0 ms 552 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 0 ms 432 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 0 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 556 KB Output is correct
16 Correct 0 ms 552 KB Output is correct
17 Correct 0 ms 460 KB Output is correct
18 Correct 1 ms 552 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 432 KB Output is correct
21 Correct 0 ms 556 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 0 ms 424 KB Output is correct
25 Correct 1 ms 676 KB Output is correct
26 Correct 1 ms 716 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 0 ms 432 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 0 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 556 KB Output is correct
16 Correct 0 ms 552 KB Output is correct
17 Correct 0 ms 460 KB Output is correct
18 Correct 1 ms 552 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 432 KB Output is correct
21 Correct 0 ms 556 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 0 ms 424 KB Output is correct
25 Correct 1 ms 676 KB Output is correct
26 Correct 1 ms 716 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 260 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 1 ms 552 KB Output is correct
33 Correct 1 ms 424 KB Output is correct
34 Correct 1 ms 556 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 460 KB Output is correct
37 Correct 2 ms 3240 KB Output is correct
38 Correct 2 ms 3276 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 304 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 0 ms 432 KB Output is correct
9 Correct 1 ms 460 KB Output is correct
10 Correct 1 ms 460 KB Output is correct
11 Correct 0 ms 460 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 1 ms 556 KB Output is correct
16 Correct 0 ms 552 KB Output is correct
17 Correct 0 ms 460 KB Output is correct
18 Correct 1 ms 552 KB Output is correct
19 Correct 1 ms 460 KB Output is correct
20 Correct 1 ms 432 KB Output is correct
21 Correct 0 ms 556 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 0 ms 424 KB Output is correct
25 Correct 1 ms 676 KB Output is correct
26 Correct 1 ms 716 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 260 KB Output is correct
31 Correct 0 ms 332 KB Output is correct
32 Correct 1 ms 552 KB Output is correct
33 Correct 1 ms 424 KB Output is correct
34 Correct 1 ms 556 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 460 KB Output is correct
37 Correct 2 ms 3240 KB Output is correct
38 Correct 2 ms 3276 KB Output is correct
39 Correct 229 ms 7388 KB Output is correct
40 Correct 375 ms 12176 KB Output is correct
41 Correct 186 ms 6060 KB Output is correct
42 Correct 189 ms 5948 KB Output is correct
43 Correct 125 ms 4332 KB Output is correct
44 Correct 475 ms 15156 KB Output is correct
45 Correct 524 ms 15000 KB Output is correct
46 Correct 486 ms 15284 KB Output is correct
47 Correct 509 ms 14984 KB Output is correct
48 Correct 494 ms 15092 KB Output is correct
49 Correct 621 ms 31360 KB Output is correct
50 Correct 600 ms 31268 KB Output is correct
51 Correct 631 ms 31236 KB Output is correct
52 Correct 634 ms 31304 KB Output is correct
53 Correct 638 ms 31300 KB Output is correct
54 Correct 611 ms 31140 KB Output is correct
55 Correct 766 ms 31244 KB Output is correct
56 Correct 752 ms 31244 KB Output is correct
57 Correct 708 ms 31248 KB Output is correct
58 Correct 748 ms 31244 KB Output is correct
59 Correct 729 ms 31280 KB Output is correct
60 Correct 749 ms 31172 KB Output is correct
61 Correct 790 ms 31248 KB Output is correct
62 Correct 737 ms 31248 KB Output is correct