oj.uz

답안 #1092794

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1092794 2024-09-25T06:17:38 Z Sunbae Mountains (NOI20_mountains) C++17
100 / 100
 160 ms 14188 KB 
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
const int N = 3e5 + 5;
ll a[N], cp[N], A[N], tot;
int m, n, bit[N];
int qry(int i){ int r = 0; for(; i; i-=i&-i) r += bit[i]; return r;}
void upd(int i){ for(; i<=m; i+=i&-i) ++bit[i];}
int pos(ll x){ return upper_bound(cp, cp+m, x) - cp;}
signed main(){
	scanf("%d", &n); for(int i = 0; i<n; ++i) scanf("%lld", a+i), cp[m++] = a[i];
	sort(cp, cp+m); m = unique(cp, cp+m) - cp;
	for(int i = 0, j; i<n; ++i) A[i] = qry((j = pos(a[i]))-1), upd(j);
	memset(bit, 0, sizeof(bit));
	for(int i = n-1, j; i>=0; --i) tot += A[i] *= qry((j = pos(a[i]))-1), upd(j);
	printf("%lld", tot);
}

Compilation message

Mountains.cpp: In function 'int main()':
Mountains.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  scanf("%d", &n); for(int i = 0; i<n; ++i) scanf("%lld", a+i), cp[m++] = a[i];
      |  ~~~~~^~~~~~~~~~
Mountains.cpp:11:49: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  scanf("%d", &n); for(int i = 0; i<n; ++i) scanf("%lld", a+i), cp[m++] = a[i];
      |                                            ~~~~~^~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 78 ms 13980 KB Output is correct
3 Correct 73 ms 14160 KB Output is correct
4 Correct 73 ms 13964 KB Output is correct
5 Correct 75 ms 14164 KB Output is correct
6 Correct 73 ms 14160 KB Output is correct
7 Correct 74 ms 14132 KB Output is correct
8 Correct 77 ms 14164 KB Output is correct
9 Correct 69 ms 14188 KB Output is correct
10 Correct 70 ms 13964 KB Output is correct

Subtask #2
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 9148 KB Output is correct
2 Correct 29 ms 9156 KB Output is correct
3 Correct 27 ms 9052 KB Output is correct
4 Correct 28 ms 9040 KB Output is correct
5 Correct 27 ms 9052 KB Output is correct
6 Correct 27 ms 9040 KB Output is correct
7 Correct 30 ms 8972 KB Output is correct
8 Correct 23 ms 9040 KB Output is correct
9 Correct 22 ms 9036 KB Output is correct
10 Correct 1 ms 1628 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 9148 KB Output is correct
2 Correct 29 ms 9156 KB Output is correct
3 Correct 27 ms 9052 KB Output is correct
4 Correct 28 ms 9040 KB Output is correct
5 Correct 27 ms 9052 KB Output is correct
6 Correct 27 ms 9040 KB Output is correct
7 Correct 30 ms 8972 KB Output is correct
8 Correct 23 ms 9040 KB Output is correct
9 Correct 22 ms 9036 KB Output is correct
10 Correct 1 ms 1628 KB Output is correct
11 Correct 50 ms 9476 KB Output is correct
12 Correct 50 ms 9296 KB Output is correct
13 Correct 50 ms 9296 KB Output is correct
14 Correct 55 ms 9300 KB Output is correct
15 Correct 52 ms 9296 KB Output is correct
16 Correct 50 ms 9300 KB Output is correct
17 Correct 50 ms 9296 KB Output is correct
18 Correct 26 ms 9296 KB Output is correct
19 Correct 27 ms 9368 KB Output is correct
20 Correct 1 ms 1624 KB Output is correct

Subtask #4
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1628 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1628 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 1 ms 1464 KB Output is correct

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 1 ms 1628 KB Output is correct
3 Correct 1 ms 1628 KB Output is correct
4 Correct 1 ms 1628 KB Output is correct
5 Correct 1 ms 1628 KB Output is correct
6 Correct 1 ms 1628 KB Output is correct
7 Correct 1 ms 1628 KB Output is correct
8 Correct 1 ms 1628 KB Output is correct
9 Correct 1 ms 1628 KB Output is correct
10 Correct 1 ms 1464 KB Output is correct
11 Correct 4 ms 1880 KB Output is correct
12 Correct 4 ms 1884 KB Output is correct
13 Correct 4 ms 1884 KB Output is correct
14 Correct 4 ms 1820 KB Output is correct
15 Correct 5 ms 2024 KB Output is correct
16 Correct 4 ms 1884 KB Output is correct
17 Correct 4 ms 1884 KB Output is correct
18 Correct 4 ms 2024 KB Output is correct
19 Correct 3 ms 1676 KB Output is correct
20 Correct 1 ms 1628 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 39 ms 9148 KB Output is correct
2 Correct 29 ms 9156 KB Output is correct
3 Correct 27 ms 9052 KB Output is correct
4 Correct 28 ms 9040 KB Output is correct
5 Correct 27 ms 9052 KB Output is correct
6 Correct 27 ms 9040 KB Output is correct
7 Correct 30 ms 8972 KB Output is correct
8 Correct 23 ms 9040 KB Output is correct
9 Correct 22 ms 9036 KB Output is correct
10 Correct 1 ms 1628 KB Output is correct
11 Correct 50 ms 9476 KB Output is correct
12 Correct 50 ms 9296 KB Output is correct
13 Correct 50 ms 9296 KB Output is correct
14 Correct 55 ms 9300 KB Output is correct
15 Correct 52 ms 9296 KB Output is correct
16 Correct 50 ms 9300 KB Output is correct
17 Correct 50 ms 9296 KB Output is correct
18 Correct 26 ms 9296 KB Output is correct
19 Correct 27 ms 9368 KB Output is correct
20 Correct 1 ms 1624 KB Output is correct
21 Correct 122 ms 10324 KB Output is correct
22 Correct 123 ms 10360 KB Output is correct
23 Correct 120 ms 10320 KB Output is correct
24 Correct 126 ms 10612 KB Output is correct
25 Correct 120 ms 10320 KB Output is correct
26 Correct 120 ms 10320 KB Output is correct
27 Correct 120 ms 10144 KB Output is correct
28 Correct 48 ms 10324 KB Output is correct
29 Correct 48 ms 10324 KB Output is correct
30 Correct 1 ms 1628 KB Output is correct

Subtask #7
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1628 KB Output is correct
2 Correct 78 ms 13980 KB Output is correct
3 Correct 73 ms 14160 KB Output is correct
4 Correct 73 ms 13964 KB Output is correct
5 Correct 75 ms 14164 KB Output is correct
6 Correct 73 ms 14160 KB Output is correct
7 Correct 74 ms 14132 KB Output is correct
8 Correct 77 ms 14164 KB Output is correct
9 Correct 69 ms 14188 KB Output is correct
10 Correct 70 ms 13964 KB Output is correct
11 Correct 39 ms 9148 KB Output is correct
12 Correct 29 ms 9156 KB Output is correct
13 Correct 27 ms 9052 KB Output is correct
14 Correct 28 ms 9040 KB Output is correct
15 Correct 27 ms 9052 KB Output is correct
16 Correct 27 ms 9040 KB Output is correct
17 Correct 30 ms 8972 KB Output is correct
18 Correct 23 ms 9040 KB Output is correct
19 Correct 22 ms 9036 KB Output is correct
20 Correct 1 ms 1628 KB Output is correct
21 Correct 50 ms 9476 KB Output is correct
22 Correct 50 ms 9296 KB Output is correct
23 Correct 50 ms 9296 KB Output is correct
24 Correct 55 ms 9300 KB Output is correct
25 Correct 52 ms 9296 KB Output is correct
26 Correct 50 ms 9300 KB Output is correct
27 Correct 50 ms 9296 KB Output is correct
28 Correct 26 ms 9296 KB Output is correct
29 Correct 27 ms 9368 KB Output is correct
30 Correct 1 ms 1624 KB Output is correct
31 Correct 1 ms 1628 KB Output is correct
32 Correct 1 ms 1628 KB Output is correct
33 Correct 1 ms 1628 KB Output is correct
34 Correct 1 ms 1628 KB Output is correct
35 Correct 1 ms 1628 KB Output is correct
36 Correct 1 ms 1628 KB Output is correct
37 Correct 1 ms 1628 KB Output is correct
38 Correct 1 ms 1628 KB Output is correct
39 Correct 1 ms 1628 KB Output is correct
40 Correct 1 ms 1464 KB Output is correct
41 Correct 4 ms 1880 KB Output is correct
42 Correct 4 ms 1884 KB Output is correct
43 Correct 4 ms 1884 KB Output is correct
44 Correct 4 ms 1820 KB Output is correct
45 Correct 5 ms 2024 KB Output is correct
46 Correct 4 ms 1884 KB Output is correct
47 Correct 4 ms 1884 KB Output is correct
48 Correct 4 ms 2024 KB Output is correct
49 Correct 3 ms 1676 KB Output is correct
50 Correct 1 ms 1628 KB Output is correct
51 Correct 122 ms 10324 KB Output is correct
52 Correct 123 ms 10360 KB Output is correct
53 Correct 120 ms 10320 KB Output is correct
54 Correct 126 ms 10612 KB Output is correct
55 Correct 120 ms 10320 KB Output is correct
56 Correct 120 ms 10320 KB Output is correct
57 Correct 120 ms 10144 KB Output is correct
58 Correct 48 ms 10324 KB Output is correct
59 Correct 48 ms 10324 KB Output is correct
60 Correct 1 ms 1628 KB Output is correct
61 Correct 153 ms 14172 KB Output is correct
62 Correct 154 ms 14136 KB Output is correct
63 Correct 156 ms 14096 KB Output is correct
64 Correct 152 ms 14080 KB Output is correct
65 Correct 160 ms 14160 KB Output is correct
66 Correct 160 ms 14164 KB Output is correct
67 Correct 158 ms 13948 KB Output is correct
68 Correct 147 ms 14016 KB Output is correct
69 Correct 126 ms 10284 KB Output is correct
70 Correct 1 ms 1624 KB Output is correct