oj.uz

답안 #22654

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
22654 2017-04-30T06:10:26 Z 크리콘 B번 문제는 그리디로 풀려요(#918, imsifile) Unifying Values (KRIII5_UV) C++
7 / 7
 226 ms 24588 KB 
#include<stdio.h>
#include<vector>
#include<map>
#define ab(a) ((a)<0?-(a):(a))
using namespace std;

typedef long long lld;
const lld mod = 1000000007;

int N, scn;
lld ba[10101], sum[10101], dyt[101][10101], dcn, dap;
map<lld, int> dix, six;
vector<int> sixs[10101];

lld make_dy(lld sm, int p){
	int ix = dix[sm];
	if(ix>0) return dyt[ix][p];
	dix[sm] = ++dcn;

	dyt[dcn][N+1]=1;
	for(int i=N; i>=p; i--){
		int idx = six[sum[i-1] + sm];
		if(idx == 0) continue;
		for(int j=0; j<sixs[idx].size(); j++){
			int k = sixs[idx][j];
			if(k < i)break;
			dyt[dcn][i] += dyt[dcn][k+1];
		}
		dyt[dcn][i] %= mod;
	}
	return dyt[dcn][p];
}

int main(){
	scanf("%d", &N);
	for(int i=1; i<=N; i++){
		scanf("%lld", &ba[i]), sum[i]=sum[i-1]+ba[i];
		six[sum[i]] = i;
	}
	for(int i=N; i>=1; i--){
		sixs[six[sum[i]]].push_back(i);
	}
	for(int i=1; i<=N; i++){
		if(sum[N] == 0){
			if(sum[i] == 0) dap += make_dy(0, i+1);
		}
		else{
			if(sum[i] == 0)continue;
			if(ab(sum[N]) % ab(sum[i]))continue;
			if(sum[N] / sum[i] <= 0)continue;
			dap += make_dy(sum[i], i+1);
		}
	}
	printf("%lld", (dap+mod-1)%mod);
	return 0;
}

Compilation message

UV.cpp: In function 'lld make_dy(lld, int)':
UV.cpp:24:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=0; j<sixs[idx].size(); j++){
                 ^
UV.cpp: In function 'int main()':
UV.cpp:35:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
                 ^
UV.cpp:37:47: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &ba[i]), sum[i]=sum[i-1]+ba[i];
                                               ^

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 9540 KB Output is correct
2 Correct 0 ms 9540 KB Output is correct
3 Correct 0 ms 9540 KB Output is correct
4 Correct 29 ms 10860 KB Output is correct
5 Correct 26 ms 10860 KB Output is correct
6 Correct 69 ms 9680 KB Output is correct
7 Correct 6 ms 9936 KB Output is correct
8 Correct 6 ms 9804 KB Output is correct
9 Correct 3 ms 9804 KB Output is correct
10 Correct 3 ms 9672 KB Output is correct
11 Correct 6 ms 9672 KB Output is correct
12 Correct 6 ms 9672 KB Output is correct
13 Correct 9 ms 9936 KB Output is correct
14 Correct 6 ms 9936 KB Output is correct
15 Correct 6 ms 9936 KB Output is correct
16 Correct 6 ms 9804 KB Output is correct
17 Correct 3 ms 9672 KB Output is correct
18 Correct 6 ms 9672 KB Output is correct
19 Correct 3 ms 9672 KB Output is correct
20 Correct 3 ms 9672 KB Output is correct
21 Correct 6 ms 9672 KB Output is correct
22 Correct 16 ms 9676 KB Output is correct
23 Correct 23 ms 9696 KB Output is correct
24 Correct 26 ms 9692 KB Output is correct
25 Correct 26 ms 9696 KB Output is correct
26 Correct 23 ms 9680 KB Output is correct
27 Correct 6 ms 9672 KB Output is correct
28 Correct 9 ms 9672 KB Output is correct
29 Correct 9 ms 9672 KB Output is correct
30 Correct 16 ms 9672 KB Output is correct
31 Correct 9 ms 9672 KB Output is correct
32 Correct 9 ms 9672 KB Output is correct
33 Correct 13 ms 9672 KB Output is correct
34 Correct 9 ms 9672 KB Output is correct
35 Correct 13 ms 9672 KB Output is correct
36 Correct 19 ms 9672 KB Output is correct
37 Correct 19 ms 9672 KB Output is correct
38 Correct 16 ms 9672 KB Output is correct
39 Correct 19 ms 9672 KB Output is correct
40 Correct 9 ms 9672 KB Output is correct
41 Correct 13 ms 9672 KB Output is correct
42 Correct 3 ms 9672 KB Output is correct
43 Correct 19 ms 9672 KB Output is correct
44 Correct 6 ms 9672 KB Output is correct
45 Correct 16 ms 9672 KB Output is correct
46 Correct 16 ms 9672 KB Output is correct
47 Correct 9 ms 9672 KB Output is correct
48 Correct 9 ms 9672 KB Output is correct
49 Correct 3 ms 9804 KB Output is correct
50 Correct 6 ms 9804 KB Output is correct

Subtask #2
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 9804 KB Output is correct
2 Correct 3 ms 9804 KB Output is correct
3 Correct 3 ms 9804 KB Output is correct
4 Correct 3 ms 9672 KB Output is correct
5 Correct 16 ms 9672 KB Output is correct
6 Correct 9 ms 9672 KB Output is correct
7 Correct 19 ms 9936 KB Output is correct
8 Correct 3 ms 9936 KB Output is correct
9 Correct 6 ms 9672 KB Output is correct
10 Correct 6 ms 10332 KB Output is correct
11 Correct 3 ms 10464 KB Output is correct
12 Correct 3 ms 10464 KB Output is correct
13 Correct 3 ms 10464 KB Output is correct
14 Correct 6 ms 10464 KB Output is correct
15 Correct 6 ms 10464 KB Output is correct
16 Correct 6 ms 10464 KB Output is correct
17 Correct 29 ms 10860 KB Output is correct
18 Correct 33 ms 10860 KB Output is correct
19 Correct 66 ms 9680 KB Output is correct
20 Correct 9 ms 10464 KB Output is correct
21 Correct 9 ms 10464 KB Output is correct
22 Correct 9 ms 10464 KB Output is correct
23 Correct 26 ms 10072 KB Output is correct
24 Correct 56 ms 9808 KB Output is correct
25 Correct 66 ms 9688 KB Output is correct
26 Correct 66 ms 9680 KB Output is correct
27 Correct 13 ms 10992 KB Output is correct
28 Correct 16 ms 11388 KB Output is correct
29 Correct 6 ms 10332 KB Output is correct
30 Correct 13 ms 10860 KB Output is correct
31 Correct 3 ms 10332 KB Output is correct
32 Correct 9 ms 10860 KB Output is correct
33 Correct 9 ms 10332 KB Output is correct
34 Correct 6 ms 10332 KB Output is correct
35 Correct 9 ms 10728 KB Output is correct
36 Correct 39 ms 14556 KB Output is correct
37 Correct 53 ms 16140 KB Output is correct
38 Correct 109 ms 19176 KB Output is correct
39 Correct 83 ms 18252 KB Output is correct
40 Correct 216 ms 24060 KB Output is correct
41 Correct 226 ms 24588 KB Output is correct
42 Correct 79 ms 16404 KB Output is correct
43 Correct 96 ms 17988 KB Output is correct
44 Correct 193 ms 20760 KB Output is correct
45 Correct 129 ms 18912 KB Output is correct
46 Correct 86 ms 19044 KB Output is correct
47 Correct 106 ms 19572 KB Output is correct
48 Correct 133 ms 20232 KB Output is correct
49 Correct 183 ms 22344 KB Output is correct
50 Correct 146 ms 20100 KB Output is correct
51 Correct 139 ms 19704 KB Output is correct
52 Correct 103 ms 19704 KB Output is correct
53 Correct 63 ms 18120 KB Output is correct
54 Correct 69 ms 18780 KB Output is correct
55 Correct 73 ms 18252 KB Output is correct
56 Correct 86 ms 19176 KB Output is correct
57 Correct 43 ms 17460 KB Output is correct
58 Correct 113 ms 19308 KB Output is correct
59 Correct 113 ms 19572 KB Output is correct
60 Correct 93 ms 19308 KB Output is correct
61 Correct 106 ms 19572 KB Output is correct
62 Correct 109 ms 19572 KB Output is correct
63 Correct 216 ms 20232 KB Output is correct
64 Correct 0 ms 9676 KB Output is correct
65 Correct 23 ms 9676 KB Output is correct
66 Correct 16 ms 9672 KB Output is correct
67 Correct 23 ms 9676 KB Output is correct
68 Correct 13 ms 9672 KB Output is correct
69 Correct 26 ms 9672 KB Output is correct
70 Correct 16 ms 9672 KB Output is correct
71 Correct 19 ms 9672 KB Output is correct
72 Correct 19 ms 9804 KB Output is correct
73 Correct 23 ms 9804 KB Output is correct
74 Correct 23 ms 9936 KB Output is correct
75 Correct 19 ms 9804 KB Output is correct
76 Correct 13 ms 9804 KB Output is correct
77 Correct 23 ms 9936 KB Output is correct
78 Correct 33 ms 10200 KB Output is correct
79 Correct 33 ms 10200 KB Output is correct
80 Correct 33 ms 10200 KB Output is correct
81 Correct 16 ms 10332 KB Output is correct
82 Correct 19 ms 9672 KB Output is correct
83 Correct 19 ms 9936 KB Output is correct
84 Correct 13 ms 9672 KB Output is correct
85 Correct 9 ms 9804 KB Output is correct
86 Correct 16 ms 10068 KB Output is correct
87 Correct 19 ms 10200 KB Output is correct
88 Correct 9 ms 10332 KB Output is correct
89 Correct 23 ms 10464 KB Output is correct
90 Correct 9 ms 10068 KB Output is correct
91 Correct 0 ms 9540 KB Output is correct
92 Correct 0 ms 9540 KB Output is correct
93 Correct 0 ms 9540 KB Output is correct
94 Correct 29 ms 10860 KB Output is correct
95 Correct 26 ms 10860 KB Output is correct
96 Correct 69 ms 9680 KB Output is correct
97 Correct 6 ms 9936 KB Output is correct
98 Correct 6 ms 9804 KB Output is correct
99 Correct 3 ms 9804 KB Output is correct
100 Correct 3 ms 9672 KB Output is correct
101 Correct 6 ms 9672 KB Output is correct
102 Correct 6 ms 9672 KB Output is correct
103 Correct 9 ms 9936 KB Output is correct
104 Correct 6 ms 9936 KB Output is correct
105 Correct 6 ms 9936 KB Output is correct
106 Correct 6 ms 9804 KB Output is correct
107 Correct 3 ms 9672 KB Output is correct
108 Correct 6 ms 9672 KB Output is correct
109 Correct 3 ms 9672 KB Output is correct
110 Correct 3 ms 9672 KB Output is correct
111 Correct 6 ms 9672 KB Output is correct
112 Correct 16 ms 9676 KB Output is correct
113 Correct 23 ms 9696 KB Output is correct
114 Correct 26 ms 9692 KB Output is correct
115 Correct 26 ms 9696 KB Output is correct
116 Correct 23 ms 9680 KB Output is correct
117 Correct 6 ms 9672 KB Output is correct
118 Correct 9 ms 9672 KB Output is correct
119 Correct 9 ms 9672 KB Output is correct
120 Correct 16 ms 9672 KB Output is correct
121 Correct 9 ms 9672 KB Output is correct
122 Correct 9 ms 9672 KB Output is correct
123 Correct 13 ms 9672 KB Output is correct
124 Correct 9 ms 9672 KB Output is correct
125 Correct 13 ms 9672 KB Output is correct
126 Correct 19 ms 9672 KB Output is correct
127 Correct 19 ms 9672 KB Output is correct
128 Correct 16 ms 9672 KB Output is correct
129 Correct 19 ms 9672 KB Output is correct
130 Correct 9 ms 9672 KB Output is correct
131 Correct 13 ms 9672 KB Output is correct
132 Correct 3 ms 9672 KB Output is correct
133 Correct 19 ms 9672 KB Output is correct
134 Correct 6 ms 9672 KB Output is correct
135 Correct 16 ms 9672 KB Output is correct
136 Correct 16 ms 9672 KB Output is correct
137 Correct 9 ms 9672 KB Output is correct
138 Correct 9 ms 9672 KB Output is correct
139 Correct 3 ms 9804 KB Output is correct
140 Correct 6 ms 9804 KB Output is correct