oj.uz

답안 #832660

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
832660 2023-08-21T13:11:01 Z rainboy Cryptography (NOI20_crypto) C
100 / 100
 94 ms 7984 KB 
#include <stdio.h>

#define N	300000
#define MD	1000000007

unsigned int X = 12345;

int rand_() {
	return (X *= 3) >> 1;
}

int aa[N];

void sort(int *ii, int l, int r) {
	while (l < r) {
		int i = l, j = l, k = r, i_ = ii[l + rand_() % (r - l)], tmp;

		while (j < k)
			if (aa[ii[j]] == aa[i_])
				j++;
			else if (aa[ii[j]] < aa[i_]) {
				tmp = ii[i], ii[i] = ii[j], ii[j] = tmp;
				i++, j++;
			} else {
				k--;
				tmp = ii[j], ii[j] = ii[k], ii[k] = tmp;
			}
		sort(ii, l, i);
		l = k;
	}
}

int ft[N];

void update(int i, int n) {
	while (i < n) {
		ft[i]++;
		i |= i + 1;
	}
}

int query(int i) {
	int x = 0;

	while (i >= 0) {
		x += ft[i];
		i &= i + 1, i--;
	}
	return x;
}

int main() {
	static int ii[N], kk[N];
	int n, h, i, ans;

	scanf("%d", &n);
	for (i = 0; i < n; i++)
		scanf("%d", &aa[i]);
	for (i = 0; i < n; i++)
		ii[i] = i;
	sort(ii, 0, n);
	for (h = 0; h < n; h++) {
		i = ii[h];
		kk[i] = query(n - 1 - i);
		update(n - 1 - i, n);
	}
	ans = 0;
	for (i = 0; i < n; i++)
		ans = ((long long) ans * (n - i) + kk[i]) % MD;
	ans = (ans + 1) % MD;
	printf("%d\n", ans);
	return 0;
}

Compilation message

Crypto.c: In function 'main':
Crypto.c:56:2: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   56 |  scanf("%d", &n);
      |  ^~~~~~~~~~~~~~~
Crypto.c:58:3: warning: ignoring return value of 'scanf' declared with attribute 'warn_unused_result' [-Wunused-result]
   58 |   scanf("%d", &aa[i]);
      |   ^~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 292 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 292 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 292 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 292 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 276 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 288 KB Output is correct
24 Correct 1 ms 212 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 58 ms 7844 KB Output is correct
3 Correct 52 ms 7828 KB Output is correct
4 Correct 53 ms 7832 KB Output is correct
5 Correct 52 ms 7848 KB Output is correct
6 Correct 55 ms 7776 KB Output is correct
7 Correct 52 ms 7756 KB Output is correct
8 Correct 66 ms 7772 KB Output is correct
9 Correct 54 ms 7936 KB Output is correct
10 Correct 52 ms 7756 KB Output is correct
11 Correct 62 ms 7824 KB Output is correct
12 Correct 53 ms 7832 KB Output is correct
13 Correct 52 ms 7836 KB Output is correct
14 Correct 51 ms 7816 KB Output is correct
15 Correct 51 ms 7832 KB Output is correct
16 Correct 51 ms 7756 KB Output is correct
17 Correct 52 ms 7836 KB Output is correct
18 Correct 52 ms 7832 KB Output is correct
19 Correct 53 ms 7828 KB Output is correct
20 Correct 53 ms 7756 KB Output is correct
21 Correct 52 ms 7884 KB Output is correct

Subtask #4
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 48 ms 6816 KB Output is correct
3 Correct 47 ms 6856 KB Output is correct
4 Correct 58 ms 6904 KB Output is correct
5 Correct 55 ms 6860 KB Output is correct
6 Correct 48 ms 6872 KB Output is correct
7 Correct 48 ms 6876 KB Output is correct
8 Correct 48 ms 6904 KB Output is correct
9 Correct 56 ms 6896 KB Output is correct
10 Correct 56 ms 6840 KB Output is correct
11 Correct 55 ms 6904 KB Output is correct
12 Correct 47 ms 6820 KB Output is correct
13 Correct 48 ms 6892 KB Output is correct
14 Correct 47 ms 6872 KB Output is correct
15 Correct 48 ms 6884 KB Output is correct
16 Correct 56 ms 6876 KB Output is correct
17 Correct 49 ms 6872 KB Output is correct
18 Correct 55 ms 6936 KB Output is correct
19 Correct 47 ms 6860 KB Output is correct
20 Correct 48 ms 6872 KB Output is correct
21 Correct 47 ms 6872 KB Output is correct

Subtask #5
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 304 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 304 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 308 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct

Subtask #6
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 292 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 292 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 292 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 276 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 288 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 304 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 304 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 308 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 304 KB Output is correct
50 Correct 1 ms 332 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 352 KB Output is correct
53 Correct 1 ms 300 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 1 ms 340 KB Output is correct
56 Correct 1 ms 340 KB Output is correct
57 Correct 1 ms 332 KB Output is correct
58 Correct 1 ms 340 KB Output is correct
59 Correct 1 ms 340 KB Output is correct
60 Correct 1 ms 340 KB Output is correct
61 Correct 1 ms 256 KB Output is correct
62 Correct 1 ms 304 KB Output is correct
63 Correct 1 ms 340 KB Output is correct
64 Correct 1 ms 340 KB Output is correct
65 Correct 1 ms 340 KB Output is correct
66 Correct 1 ms 304 KB Output is correct
67 Correct 1 ms 328 KB Output is correct
68 Correct 1 ms 340 KB Output is correct

Subtask #7
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 48 ms 6816 KB Output is correct
3 Correct 47 ms 6856 KB Output is correct
4 Correct 58 ms 6904 KB Output is correct
5 Correct 55 ms 6860 KB Output is correct
6 Correct 48 ms 6872 KB Output is correct
7 Correct 48 ms 6876 KB Output is correct
8 Correct 48 ms 6904 KB Output is correct
9 Correct 56 ms 6896 KB Output is correct
10 Correct 56 ms 6840 KB Output is correct
11 Correct 55 ms 6904 KB Output is correct
12 Correct 47 ms 6820 KB Output is correct
13 Correct 48 ms 6892 KB Output is correct
14 Correct 47 ms 6872 KB Output is correct
15 Correct 48 ms 6884 KB Output is correct
16 Correct 56 ms 6876 KB Output is correct
17 Correct 49 ms 6872 KB Output is correct
18 Correct 55 ms 6936 KB Output is correct
19 Correct 47 ms 6860 KB Output is correct
20 Correct 48 ms 6872 KB Output is correct
21 Correct 47 ms 6872 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 304 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 304 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 308 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 0 ms 288 KB Output is correct
45 Correct 75 ms 6904 KB Output is correct
46 Correct 77 ms 6876 KB Output is correct
47 Correct 76 ms 6872 KB Output is correct
48 Correct 79 ms 6988 KB Output is correct
49 Correct 77 ms 6884 KB Output is correct
50 Correct 76 ms 6876 KB Output is correct
51 Correct 77 ms 6884 KB Output is correct
52 Correct 77 ms 6820 KB Output is correct
53 Correct 76 ms 6884 KB Output is correct
54 Correct 79 ms 7000 KB Output is correct
55 Correct 91 ms 6868 KB Output is correct
56 Correct 79 ms 6876 KB Output is correct
57 Correct 76 ms 6892 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 75 ms 6868 KB Output is correct
60 Correct 77 ms 6872 KB Output is correct
61 Correct 79 ms 6884 KB Output is correct
62 Correct 76 ms 6872 KB Output is correct
63 Correct 75 ms 6804 KB Output is correct
64 Correct 77 ms 6872 KB Output is correct
65 Correct 77 ms 6820 KB Output is correct

Subtask #8
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 292 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 292 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 292 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 276 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 288 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 58 ms 7844 KB Output is correct
27 Correct 52 ms 7828 KB Output is correct
28 Correct 53 ms 7832 KB Output is correct
29 Correct 52 ms 7848 KB Output is correct
30 Correct 55 ms 7776 KB Output is correct
31 Correct 52 ms 7756 KB Output is correct
32 Correct 66 ms 7772 KB Output is correct
33 Correct 54 ms 7936 KB Output is correct
34 Correct 52 ms 7756 KB Output is correct
35 Correct 62 ms 7824 KB Output is correct
36 Correct 53 ms 7832 KB Output is correct
37 Correct 52 ms 7836 KB Output is correct
38 Correct 51 ms 7816 KB Output is correct
39 Correct 51 ms 7832 KB Output is correct
40 Correct 51 ms 7756 KB Output is correct
41 Correct 52 ms 7836 KB Output is correct
42 Correct 52 ms 7832 KB Output is correct
43 Correct 53 ms 7828 KB Output is correct
44 Correct 53 ms 7756 KB Output is correct
45 Correct 52 ms 7884 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 48 ms 6816 KB Output is correct
48 Correct 47 ms 6856 KB Output is correct
49 Correct 58 ms 6904 KB Output is correct
50 Correct 55 ms 6860 KB Output is correct
51 Correct 48 ms 6872 KB Output is correct
52 Correct 48 ms 6876 KB Output is correct
53 Correct 48 ms 6904 KB Output is correct
54 Correct 56 ms 6896 KB Output is correct
55 Correct 56 ms 6840 KB Output is correct
56 Correct 55 ms 6904 KB Output is correct
57 Correct 47 ms 6820 KB Output is correct
58 Correct 48 ms 6892 KB Output is correct
59 Correct 47 ms 6872 KB Output is correct
60 Correct 48 ms 6884 KB Output is correct
61 Correct 56 ms 6876 KB Output is correct
62 Correct 49 ms 6872 KB Output is correct
63 Correct 55 ms 6936 KB Output is correct
64 Correct 47 ms 6860 KB Output is correct
65 Correct 48 ms 6872 KB Output is correct
66 Correct 47 ms 6872 KB Output is correct
67 Correct 0 ms 212 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 1 ms 340 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 1 ms 340 KB Output is correct
73 Correct 1 ms 304 KB Output is correct
74 Correct 1 ms 340 KB Output is correct
75 Correct 1 ms 340 KB Output is correct
76 Correct 1 ms 340 KB Output is correct
77 Correct 1 ms 304 KB Output is correct
78 Correct 1 ms 340 KB Output is correct
79 Correct 1 ms 340 KB Output is correct
80 Correct 1 ms 308 KB Output is correct
81 Correct 0 ms 212 KB Output is correct
82 Correct 1 ms 340 KB Output is correct
83 Correct 1 ms 340 KB Output is correct
84 Correct 1 ms 340 KB Output is correct
85 Correct 1 ms 340 KB Output is correct
86 Correct 1 ms 340 KB Output is correct
87 Correct 1 ms 340 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 0 ms 212 KB Output is correct
90 Correct 1 ms 340 KB Output is correct
91 Correct 1 ms 304 KB Output is correct
92 Correct 1 ms 332 KB Output is correct
93 Correct 1 ms 340 KB Output is correct
94 Correct 1 ms 352 KB Output is correct
95 Correct 1 ms 300 KB Output is correct
96 Correct 1 ms 340 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 1 ms 340 KB Output is correct
99 Correct 1 ms 332 KB Output is correct
100 Correct 1 ms 340 KB Output is correct
101 Correct 1 ms 340 KB Output is correct
102 Correct 1 ms 340 KB Output is correct
103 Correct 1 ms 256 KB Output is correct
104 Correct 1 ms 304 KB Output is correct
105 Correct 1 ms 340 KB Output is correct
106 Correct 1 ms 340 KB Output is correct
107 Correct 1 ms 340 KB Output is correct
108 Correct 1 ms 304 KB Output is correct
109 Correct 1 ms 328 KB Output is correct
110 Correct 1 ms 340 KB Output is correct
111 Correct 0 ms 288 KB Output is correct
112 Correct 75 ms 6904 KB Output is correct
113 Correct 77 ms 6876 KB Output is correct
114 Correct 76 ms 6872 KB Output is correct
115 Correct 79 ms 6988 KB Output is correct
116 Correct 77 ms 6884 KB Output is correct
117 Correct 76 ms 6876 KB Output is correct
118 Correct 77 ms 6884 KB Output is correct
119 Correct 77 ms 6820 KB Output is correct
120 Correct 76 ms 6884 KB Output is correct
121 Correct 79 ms 7000 KB Output is correct
122 Correct 91 ms 6868 KB Output is correct
123 Correct 79 ms 6876 KB Output is correct
124 Correct 76 ms 6892 KB Output is correct
125 Correct 1 ms 212 KB Output is correct
126 Correct 75 ms 6868 KB Output is correct
127 Correct 77 ms 6872 KB Output is correct
128 Correct 79 ms 6884 KB Output is correct
129 Correct 76 ms 6872 KB Output is correct
130 Correct 75 ms 6804 KB Output is correct
131 Correct 77 ms 6872 KB Output is correct
132 Correct 77 ms 6820 KB Output is correct
133 Correct 0 ms 212 KB Output is correct
134 Correct 85 ms 7824 KB Output is correct
135 Correct 80 ms 7832 KB Output is correct
136 Correct 80 ms 7860 KB Output is correct
137 Correct 79 ms 7756 KB Output is correct
138 Correct 90 ms 7828 KB Output is correct
139 Correct 79 ms 7792 KB Output is correct
140 Correct 86 ms 7984 KB Output is correct
141 Correct 81 ms 7852 KB Output is correct
142 Correct 78 ms 7776 KB Output is correct
143 Correct 78 ms 7832 KB Output is correct
144 Correct 79 ms 7776 KB Output is correct
145 Correct 81 ms 7836 KB Output is correct
146 Correct 94 ms 7760 KB Output is correct
147 Correct 0 ms 212 KB Output is correct
148 Correct 82 ms 7768 KB Output is correct
149 Correct 80 ms 7860 KB Output is correct
150 Correct 78 ms 7768 KB Output is correct
151 Correct 93 ms 7752 KB Output is correct
152 Correct 79 ms 7768 KB Output is correct
153 Correct 78 ms 7744 KB Output is correct
154 Correct 78 ms 7756 KB Output is correct