#include <bits/stdc++.h>
using namespace std;
#define int long long
#define MX 1000007
int fwt[MX+1];
#define lsb(x) (x&(-x))
void update(int x, int k){
x++;
for (; x < MX; x += lsb(x)){
fwt[x] += k;
}
}
int sum(int x){
x++;
int res = 0;
for (; x != 0; x -= lsb(x)){
res += fwt[x];
}
return res;
}
int query(int a, int b){
if (b < a) return 0;
return sum(b) - sum(a-1);
}
main(){ ios_base::sync_with_stdio(0); cin.tie(0);
int n; cin >> n;
//attempt greedy
int arr[n]; for (int x = 0; x < n; x++) cin >> arr[x];
bitset<1000007> taken;
int ans = 0;
for (int zzz = 0; zzz < n; zzz++){
if (taken[zzz]){
continue;
}
ans++;
taken[zzz] = 1;
vector<int> items; items.push_back(arr[zzz]);
for (int y = zzz+1; y < n; y++){
if (items.back() <= arr[y] && query(arr[zzz]+1, arr[y]-1) == 0){
taken[y] = 1;
items.push_back(arr[y]);
}
else{
break;
}
}
for (auto y : items){
update(y, 1);
}
}
cout << ans;
}
Compilation message
money.cpp:34:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
34 | main(){ ios_base::sync_with_stdio(0); cin.tie(0);
| ^~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4700 KB |
Output is correct |
| 3 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 8 |
Correct |
0 ms |
604 KB |
Output is correct |
| 9 |
Correct |
0 ms |
600 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
0 ms |
604 KB |
Output is correct |
| 15 |
Correct |
0 ms |
604 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2848 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4700 KB |
Output is correct |
| 3 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 8 |
Correct |
0 ms |
604 KB |
Output is correct |
| 9 |
Correct |
0 ms |
600 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
0 ms |
604 KB |
Output is correct |
| 15 |
Correct |
0 ms |
604 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2848 KB |
Output is correct |
| 17 |
Correct |
0 ms |
600 KB |
Output is correct |
| 18 |
Correct |
1 ms |
604 KB |
Output is correct |
| 19 |
Correct |
0 ms |
604 KB |
Output is correct |
| 20 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 21 |
Correct |
0 ms |
604 KB |
Output is correct |
| 22 |
Correct |
0 ms |
604 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 24 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 25 |
Correct |
0 ms |
600 KB |
Output is correct |
| 26 |
Correct |
0 ms |
860 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4700 KB |
Output is correct |
| 3 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 8 |
Correct |
0 ms |
604 KB |
Output is correct |
| 9 |
Correct |
0 ms |
600 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
0 ms |
604 KB |
Output is correct |
| 15 |
Correct |
0 ms |
604 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2848 KB |
Output is correct |
| 17 |
Correct |
0 ms |
600 KB |
Output is correct |
| 18 |
Correct |
1 ms |
604 KB |
Output is correct |
| 19 |
Correct |
0 ms |
604 KB |
Output is correct |
| 20 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 21 |
Correct |
0 ms |
604 KB |
Output is correct |
| 22 |
Correct |
0 ms |
604 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 24 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 25 |
Correct |
0 ms |
600 KB |
Output is correct |
| 26 |
Correct |
0 ms |
860 KB |
Output is correct |
| 27 |
Correct |
1 ms |
4696 KB |
Output is correct |
| 28 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 29 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 30 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 31 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 32 |
Correct |
0 ms |
604 KB |
Output is correct |
| 33 |
Correct |
1 ms |
600 KB |
Output is correct |
| 34 |
Correct |
0 ms |
604 KB |
Output is correct |
| 35 |
Correct |
1 ms |
604 KB |
Output is correct |
| 36 |
Correct |
0 ms |
604 KB |
Output is correct |
| 37 |
Correct |
1 ms |
3932 KB |
Output is correct |
| 38 |
Correct |
1 ms |
3932 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 2 |
Correct |
2 ms |
4700 KB |
Output is correct |
| 3 |
Correct |
1 ms |
4952 KB |
Output is correct |
| 4 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 5 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 8 |
Correct |
0 ms |
604 KB |
Output is correct |
| 9 |
Correct |
0 ms |
600 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 12 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 13 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 14 |
Correct |
0 ms |
604 KB |
Output is correct |
| 15 |
Correct |
0 ms |
604 KB |
Output is correct |
| 16 |
Correct |
1 ms |
2848 KB |
Output is correct |
| 17 |
Correct |
0 ms |
600 KB |
Output is correct |
| 18 |
Correct |
1 ms |
604 KB |
Output is correct |
| 19 |
Correct |
0 ms |
604 KB |
Output is correct |
| 20 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 21 |
Correct |
0 ms |
604 KB |
Output is correct |
| 22 |
Correct |
0 ms |
604 KB |
Output is correct |
| 23 |
Correct |
1 ms |
2652 KB |
Output is correct |
| 24 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 25 |
Correct |
0 ms |
600 KB |
Output is correct |
| 26 |
Correct |
0 ms |
860 KB |
Output is correct |
| 27 |
Correct |
1 ms |
4696 KB |
Output is correct |
| 28 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 29 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 30 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 31 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 32 |
Correct |
0 ms |
604 KB |
Output is correct |
| 33 |
Correct |
1 ms |
600 KB |
Output is correct |
| 34 |
Correct |
0 ms |
604 KB |
Output is correct |
| 35 |
Correct |
1 ms |
604 KB |
Output is correct |
| 36 |
Correct |
0 ms |
604 KB |
Output is correct |
| 37 |
Correct |
1 ms |
3932 KB |
Output is correct |
| 38 |
Correct |
1 ms |
3932 KB |
Output is correct |
| 39 |
Correct |
58 ms |
6228 KB |
Output is correct |
| 40 |
Correct |
90 ms |
15192 KB |
Output is correct |
| 41 |
Correct |
44 ms |
10056 KB |
Output is correct |
| 42 |
Correct |
41 ms |
5832 KB |
Output is correct |
| 43 |
Correct |
28 ms |
4188 KB |
Output is correct |
| 44 |
Correct |
113 ms |
13892 KB |
Output is correct |
| 45 |
Correct |
112 ms |
13664 KB |
Output is correct |
| 46 |
Correct |
116 ms |
13908 KB |
Output is correct |
| 47 |
Correct |
105 ms |
13576 KB |
Output is correct |
| 48 |
Correct |
111 ms |
15868 KB |
Output is correct |
| 49 |
Correct |
120 ms |
21336 KB |
Output is correct |
| 50 |
Correct |
126 ms |
21520 KB |
Output is correct |
| 51 |
Correct |
122 ms |
21588 KB |
Output is correct |
| 52 |
Correct |
128 ms |
21332 KB |
Output is correct |
| 53 |
Correct |
120 ms |
21412 KB |
Output is correct |
| 54 |
Correct |
129 ms |
21360 KB |
Output is correct |
| 55 |
Correct |
134 ms |
21420 KB |
Output is correct |
| 56 |
Correct |
129 ms |
21468 KB |
Output is correct |
| 57 |
Correct |
156 ms |
21728 KB |
Output is correct |
| 58 |
Correct |
127 ms |
21576 KB |
Output is correct |
| 59 |
Correct |
129 ms |
21580 KB |
Output is correct |
| 60 |
Correct |
130 ms |
21416 KB |
Output is correct |
| 61 |
Correct |
129 ms |
21508 KB |
Output is correct |
| 62 |
Correct |
130 ms |
21584 KB |
Output is correct |
