oj.uz

Submission #140145

# Submission time Handle Problem Language Result Execution time Memory
140145 2019-08-02T07:43:29 Z rdd6584 Unifying Values (KRIII5_UV) C++14
7 / 7
 361 ms 764 KB 
#include <cstdio>
#include <algorithm>
#include <memory.h>
#include <iostream>
using namespace std;
typedef long long ll;
const int MOD = 1000000007;

ll vec[10000];
int dp[10001];

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);

	int n;
	cin >> n;

	for (int i = 0; i < n; i++) {
		cin >> vec[i];
		if (i) vec[i] += vec[i - 1];
	}

	ll ans = 0;
	for (int i = 0; i < n - 1; i++) {
		if (!vec[i] || vec[n - 1] % vec[i]) continue;
		ll t = vec[n - 1] / vec[i];

		if (vec[i] > 0 && vec[n - 1] < 0 || vec[i] < 0 && vec[n - 1] > 0) continue;
		if (t < 2 || t > 10000) continue;

		memset(dp, 0, sizeof(dp));
		dp[1] = 1;

		for (int j = i + 1; j < n - 1; j++) {
			if (!vec[j] || vec[j] % vec[i]) continue;

			ll t = vec[j] / vec[i];
			if (t >= 2 && t <= 10000)
				dp[t] = (dp[t] + dp[t - 1]) % MOD;
		}

		ans = (ans + dp[t - 1]) % MOD;
	}

	if (vec[n - 1] == 0) {
		ll sum = 1;
		for (int i = 0; i < n - 1; i++)
			if (vec[i] == 0)
				sum = (sum << 1) % MOD;

		sum += MOD - 1;
		ans = (ans + sum) % MOD;
	}

	printf("%lld", ans % MOD);
}

Compilation message

UV.cpp: In function 'int main()':
UV.cpp:29:18: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   if (vec[i] > 0 && vec[n - 1] < 0 || vec[i] < 0 && vec[n - 1] > 0) continue;
       ~~~~~~~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 6 ms 508 KB Output is correct
5 Correct 6 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 7 ms 376 KB Output is correct
8 Correct 5 ms 504 KB Output is correct
9 Correct 4 ms 504 KB Output is correct
10 Correct 32 ms 520 KB Output is correct
11 Correct 16 ms 504 KB Output is correct
12 Correct 37 ms 552 KB Output is correct
13 Correct 10 ms 504 KB Output is correct
14 Correct 8 ms 504 KB Output is correct
15 Correct 5 ms 504 KB Output is correct
16 Correct 9 ms 552 KB Output is correct
17 Correct 7 ms 504 KB Output is correct
18 Correct 34 ms 504 KB Output is correct
19 Correct 3 ms 504 KB Output is correct
20 Correct 3 ms 504 KB Output is correct
21 Correct 3 ms 504 KB Output is correct
22 Correct 4 ms 376 KB Output is correct
23 Correct 3 ms 376 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 3 ms 504 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 38 ms 556 KB Output is correct
28 Correct 174 ms 524 KB Output is correct
29 Correct 93 ms 508 KB Output is correct
30 Correct 24 ms 552 KB Output is correct
31 Correct 18 ms 508 KB Output is correct
32 Correct 19 ms 504 KB Output is correct
33 Correct 147 ms 520 KB Output is correct
34 Correct 46 ms 504 KB Output is correct
35 Correct 47 ms 504 KB Output is correct
36 Correct 51 ms 504 KB Output is correct
37 Correct 68 ms 632 KB Output is correct
38 Correct 65 ms 504 KB Output is correct
39 Correct 88 ms 504 KB Output is correct
40 Correct 27 ms 504 KB Output is correct
41 Correct 27 ms 504 KB Output is correct
42 Correct 12 ms 504 KB Output is correct
43 Correct 35 ms 504 KB Output is correct
44 Correct 25 ms 632 KB Output is correct
45 Correct 49 ms 508 KB Output is correct
46 Correct 46 ms 504 KB Output is correct
47 Correct 19 ms 504 KB Output is correct
48 Correct 15 ms 504 KB Output is correct
49 Correct 9 ms 632 KB Output is correct
50 Correct 13 ms 504 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 504 KB Output is correct
2 Correct 7 ms 504 KB Output is correct
3 Correct 4 ms 508 KB Output is correct
4 Correct 44 ms 504 KB Output is correct
5 Correct 92 ms 516 KB Output is correct
6 Correct 42 ms 508 KB Output is correct
7 Correct 19 ms 504 KB Output is correct
8 Correct 6 ms 504 KB Output is correct
9 Correct 16 ms 504 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 380 KB Output is correct
14 Correct 4 ms 376 KB Output is correct
15 Correct 5 ms 632 KB Output is correct
16 Correct 4 ms 632 KB Output is correct
17 Correct 7 ms 632 KB Output is correct
18 Correct 8 ms 632 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 5 ms 632 KB Output is correct
21 Correct 5 ms 636 KB Output is correct
22 Correct 5 ms 632 KB Output is correct
23 Correct 4 ms 504 KB Output is correct
24 Correct 3 ms 504 KB Output is correct
25 Correct 3 ms 504 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 26 ms 504 KB Output is correct
28 Correct 7 ms 632 KB Output is correct
29 Correct 4 ms 504 KB Output is correct
30 Correct 5 ms 632 KB Output is correct
31 Correct 4 ms 632 KB Output is correct
32 Correct 8 ms 632 KB Output is correct
33 Correct 6 ms 632 KB Output is correct
34 Correct 9 ms 504 KB Output is correct
35 Correct 8 ms 632 KB Output is correct
36 Correct 7 ms 632 KB Output is correct
37 Correct 8 ms 632 KB Output is correct
38 Correct 10 ms 632 KB Output is correct
39 Correct 9 ms 632 KB Output is correct
40 Correct 16 ms 632 KB Output is correct
41 Correct 17 ms 632 KB Output is correct
42 Correct 9 ms 556 KB Output is correct
43 Correct 10 ms 632 KB Output is correct
44 Correct 15 ms 632 KB Output is correct
45 Correct 12 ms 632 KB Output is correct
46 Correct 9 ms 632 KB Output is correct
47 Correct 9 ms 652 KB Output is correct
48 Correct 9 ms 632 KB Output is correct
49 Correct 11 ms 632 KB Output is correct
50 Correct 10 ms 632 KB Output is correct
51 Correct 9 ms 632 KB Output is correct
52 Correct 9 ms 632 KB Output is correct
53 Correct 8 ms 632 KB Output is correct
54 Correct 10 ms 632 KB Output is correct
55 Correct 9 ms 632 KB Output is correct
56 Correct 12 ms 632 KB Output is correct
57 Correct 8 ms 764 KB Output is correct
58 Correct 10 ms 632 KB Output is correct
59 Correct 11 ms 632 KB Output is correct
60 Correct 11 ms 632 KB Output is correct
61 Correct 9 ms 632 KB Output is correct
62 Correct 10 ms 632 KB Output is correct
63 Correct 11 ms 632 KB Output is correct
64 Correct 3 ms 376 KB Output is correct
65 Correct 187 ms 760 KB Output is correct
66 Correct 156 ms 640 KB Output is correct
67 Correct 261 ms 760 KB Output is correct
68 Correct 128 ms 632 KB Output is correct
69 Correct 286 ms 632 KB Output is correct
70 Correct 238 ms 760 KB Output is correct
71 Correct 201 ms 632 KB Output is correct
72 Correct 194 ms 632 KB Output is correct
73 Correct 216 ms 632 KB Output is correct
74 Correct 165 ms 632 KB Output is correct
75 Correct 146 ms 632 KB Output is correct
76 Correct 74 ms 632 KB Output is correct
77 Correct 115 ms 504 KB Output is correct
78 Correct 72 ms 632 KB Output is correct
79 Correct 49 ms 632 KB Output is correct
80 Correct 25 ms 504 KB Output is correct
81 Correct 11 ms 504 KB Output is correct
82 Correct 361 ms 528 KB Output is correct
83 Correct 224 ms 632 KB Output is correct
84 Correct 143 ms 464 KB Output is correct
85 Correct 104 ms 504 KB Output is correct
86 Correct 72 ms 504 KB Output is correct
87 Correct 88 ms 636 KB Output is correct
88 Correct 63 ms 504 KB Output is correct
89 Correct 55 ms 504 KB Output is correct
90 Correct 22 ms 504 KB Output is correct
91 Correct 2 ms 376 KB Output is correct
92 Correct 2 ms 376 KB Output is correct
93 Correct 2 ms 376 KB Output is correct
94 Correct 6 ms 508 KB Output is correct
95 Correct 6 ms 376 KB Output is correct
96 Correct 3 ms 376 KB Output is correct
97 Correct 7 ms 376 KB Output is correct
98 Correct 5 ms 504 KB Output is correct
99 Correct 4 ms 504 KB Output is correct
100 Correct 32 ms 520 KB Output is correct
101 Correct 16 ms 504 KB Output is correct
102 Correct 37 ms 552 KB Output is correct
103 Correct 10 ms 504 KB Output is correct
104 Correct 8 ms 504 KB Output is correct
105 Correct 5 ms 504 KB Output is correct
106 Correct 9 ms 552 KB Output is correct
107 Correct 7 ms 504 KB Output is correct
108 Correct 34 ms 504 KB Output is correct
109 Correct 3 ms 504 KB Output is correct
110 Correct 3 ms 504 KB Output is correct
111 Correct 3 ms 504 KB Output is correct
112 Correct 4 ms 376 KB Output is correct
113 Correct 3 ms 376 KB Output is correct
114 Correct 3 ms 376 KB Output is correct
115 Correct 3 ms 504 KB Output is correct
116 Correct 3 ms 504 KB Output is correct
117 Correct 38 ms 556 KB Output is correct
118 Correct 174 ms 524 KB Output is correct
119 Correct 93 ms 508 KB Output is correct
120 Correct 24 ms 552 KB Output is correct
121 Correct 18 ms 508 KB Output is correct
122 Correct 19 ms 504 KB Output is correct
123 Correct 147 ms 520 KB Output is correct
124 Correct 46 ms 504 KB Output is correct
125 Correct 47 ms 504 KB Output is correct
126 Correct 51 ms 504 KB Output is correct
127 Correct 68 ms 632 KB Output is correct
128 Correct 65 ms 504 KB Output is correct
129 Correct 88 ms 504 KB Output is correct
130 Correct 27 ms 504 KB Output is correct
131 Correct 27 ms 504 KB Output is correct
132 Correct 12 ms 504 KB Output is correct
133 Correct 35 ms 504 KB Output is correct
134 Correct 25 ms 632 KB Output is correct
135 Correct 49 ms 508 KB Output is correct
136 Correct 46 ms 504 KB Output is correct
137 Correct 19 ms 504 KB Output is correct
138 Correct 15 ms 504 KB Output is correct
139 Correct 9 ms 632 KB Output is correct
140 Correct 13 ms 504 KB Output is correct