답안 #13915 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
13915	2015-04-22T10:34:04 Z	gs14004	경비원 (GA8_guard)	C++14	100 / 100	419 ms	1492 KB

guard

#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
const int mod = 1e9 + 7;

int n;
int pr[15] = {2,3,5,7,11,13,17,19,23,29,31,37,41,43,47};

struct num{
    int val;
    int lowbit;
    int rem;
}a[2223];

bool cmp(num a, num b){return a.rem < b.rem;}

void input(){
    scanf("%d",&n);
    for (int i=1; i<=n; i++) {
        scanf("%d",&a[i].val);
        int t = a[i].val;
        for (int j=0; j<15; j++) {
            while(t % pr[j] == 0){
                a[i].lowbit |= 1<<j;
                t /= pr[j];
            }
        }
        a[i].rem = t;
    }
    sort(a+1,a+n+1,cmp);
}

int dp[2][1<<15];
int back[1<<15];

int main(){
    input();
    dp[0][0] = 1;
    for (int i=1; i<=n; i++) {
        if(a[i].rem == 1){
            for (int j=0; j<(1<<15); j++) {
                dp[i%2][j] = 0;
                if((a[i].lowbit & ~j) == 0){
                    dp[i%2][j] = dp[(i-1)%2][j ^ a[i].lowbit];
                }
                dp[i%2][j] += dp[(i-1)%2][j];
                dp[i%2][j] %= mod;
            }
        }
        else{
            if(a[i].rem != a[i-1].rem){
                memcpy(back,dp[(i-1)%2],sizeof(back));
            }
            for (int j=0; j<(1<<15); j++) {
                dp[i%2][j] = 0;
                if((a[i].lowbit & ~j) == 0){
                    dp[i%2][j] = back[j ^ a[i].lowbit];
                }
                dp[i%2][j] += dp[(i-1)%2][j];
                dp[i%2][j] %= mod;
            }
        }
    }
    int ret = mod - n - 1;
    for (int i=0; i<(1<<15); i++) {
        ret += dp[n%2][i];
        ret %= mod;
    }
    printf("%d",ret);
}

Subtask #1
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	1492 KB	Output is correct
2	Correct	0 ms	1492 KB	Output is correct
3	Correct	0 ms	1492 KB	Output is correct
4	Correct	1 ms	1492 KB	Output is correct
5	Correct	2 ms	1492 KB	Output is correct
6	Correct	0 ms	1492 KB	Output is correct
7	Correct	0 ms	1492 KB	Output is correct
8	Correct	2 ms	1492 KB	Output is correct
9	Correct	3 ms	1492 KB	Output is correct
10	Correct	3 ms	1492 KB	Output is correct
11	Correct	4 ms	1492 KB	Output is correct
12	Correct	0 ms	1492 KB	Output is correct
13	Correct	0 ms	1492 KB	Output is correct
14	Correct	1 ms	1492 KB	Output is correct
15	Correct	0 ms	1492 KB	Output is correct
16	Correct	0 ms	1492 KB	Output is correct
17	Correct	1 ms	1492 KB	Output is correct
18	Correct	0 ms	1492 KB	Output is correct
19	Correct	0 ms	1492 KB	Output is correct
20	Correct	0 ms	1492 KB	Output is correct
21	Correct	0 ms	1492 KB	Output is correct
22	Correct	2 ms	1492 KB	Output is correct
23	Correct	2 ms	1492 KB	Output is correct
24	Correct	3 ms	1492 KB	Output is correct
25	Correct	3 ms	1492 KB	Output is correct
26	Correct	3 ms	1492 KB	Output is correct
27	Correct	0 ms	1492 KB	Output is correct
28	Correct	4 ms	1492 KB	Output is correct
29	Correct	4 ms	1492 KB	Output is correct
30	Correct	5 ms	1492 KB	Output is correct
31	Correct	1 ms	1492 KB	Output is correct
32	Correct	1 ms	1492 KB	Output is correct
33	Correct	0 ms	1492 KB	Output is correct
34	Correct	0 ms	1492 KB	Output is correct
35	Correct	0 ms	1492 KB	Output is correct
36	Correct	4 ms	1492 KB	Output is correct
37	Correct	0 ms	1492 KB	Output is correct
38	Correct	0 ms	1492 KB	Output is correct
39	Correct	2 ms	1492 KB	Output is correct
40	Correct	0 ms	1492 KB	Output is correct
41	Correct	3 ms	1492 KB	Output is correct
42	Correct	4 ms	1492 KB	Output is correct

Subtask #2
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	1492 KB	Output is correct
2	Correct	0 ms	1492 KB	Output is correct
3	Correct	1 ms	1492 KB	Output is correct
4	Correct	0 ms	1492 KB	Output is correct
5	Correct	0 ms	1492 KB	Output is correct
6	Correct	0 ms	1492 KB	Output is correct
7	Correct	2 ms	1492 KB	Output is correct
8	Correct	0 ms	1492 KB	Output is correct
9	Correct	0 ms	1492 KB	Output is correct
10	Correct	0 ms	1492 KB	Output is correct
11	Correct	2 ms	1492 KB	Output is correct
12	Correct	3 ms	1492 KB	Output is correct
13	Correct	0 ms	1492 KB	Output is correct
14	Correct	0 ms	1492 KB	Output is correct
15	Correct	0 ms	1492 KB	Output is correct
16	Correct	0 ms	1492 KB	Output is correct
17	Correct	3 ms	1492 KB	Output is correct
18	Correct	3 ms	1492 KB	Output is correct
19	Correct	4 ms	1492 KB	Output is correct
20	Correct	4 ms	1492 KB	Output is correct
21	Correct	4 ms	1492 KB	Output is correct
22	Correct	4 ms	1492 KB	Output is correct
23	Correct	4 ms	1492 KB	Output is correct
24	Correct	4 ms	1492 KB	Output is correct
25	Correct	5 ms	1492 KB	Output is correct
26	Correct	5 ms	1492 KB	Output is correct
27	Correct	5 ms	1492 KB	Output is correct
28	Correct	5 ms	1492 KB	Output is correct
29	Correct	5 ms	1492 KB	Output is correct
30	Correct	5 ms	1492 KB	Output is correct
31	Correct	6 ms	1492 KB	Output is correct
32	Correct	6 ms	1492 KB	Output is correct
33	Correct	6 ms	1492 KB	Output is correct
34	Correct	6 ms	1492 KB	Output is correct
35	Correct	6 ms	1492 KB	Output is correct
36	Correct	3 ms	1492 KB	Output is correct
37	Correct	7 ms	1492 KB	Output is correct
38	Correct	3 ms	1492 KB	Output is correct
39	Correct	7 ms	1492 KB	Output is correct
40	Correct	7 ms	1492 KB	Output is correct
41	Correct	7 ms	1492 KB	Output is correct
42	Correct	7 ms	1492 KB	Output is correct
43	Correct	3 ms	1492 KB	Output is correct

Subtask #3
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	340 ms	1492 KB	Output is correct
2	Correct	340 ms	1492 KB	Output is correct
3	Correct	419 ms	1492 KB	Output is correct
4	Correct	336 ms	1492 KB	Output is correct
5	Correct	374 ms	1492 KB	Output is correct
6	Correct	389 ms	1492 KB	Output is correct
7	Correct	335 ms	1492 KB	Output is correct
8	Correct	329 ms	1492 KB	Output is correct
9	Correct	345 ms	1492 KB	Output is correct
10	Correct	348 ms	1492 KB	Output is correct
11	Correct	362 ms	1492 KB	Output is correct
12	Correct	320 ms	1492 KB	Output is correct
13	Correct	359 ms	1492 KB	Output is correct
14	Correct	345 ms	1492 KB	Output is correct
15	Correct	320 ms	1492 KB	Output is correct
16	Correct	313 ms	1492 KB	Output is correct
17	Correct	317 ms	1492 KB	Output is correct
18	Correct	297 ms	1492 KB	Output is correct
19	Correct	326 ms	1492 KB	Output is correct
20	Correct	292 ms	1492 KB	Output is correct
21	Correct	326 ms	1492 KB	Output is correct
22	Correct	314 ms	1492 KB	Output is correct
23	Correct	289 ms	1492 KB	Output is correct
24	Correct	286 ms	1492 KB	Output is correct
25	Correct	253 ms	1492 KB	Output is correct
26	Correct	250 ms	1492 KB	Output is correct
27	Correct	276 ms	1492 KB	Output is correct
28	Correct	248 ms	1492 KB	Output is correct
29	Correct	278 ms	1492 KB	Output is correct
30	Correct	272 ms	1492 KB	Output is correct
31	Correct	249 ms	1492 KB	Output is correct
32	Correct	245 ms	1492 KB	Output is correct
33	Correct	198 ms	1492 KB	Output is correct
34	Correct	224 ms	1492 KB	Output is correct
35	Correct	213 ms	1492 KB	Output is correct
36	Correct	193 ms	1492 KB	Output is correct
37	Correct	215 ms	1492 KB	Output is correct
38	Correct	210 ms	1492 KB	Output is correct
39	Correct	193 ms	1492 KB	Output is correct
40	Correct	192 ms	1492 KB	Output is correct
41	Correct	336 ms	1492 KB	Output is correct
42	Correct	334 ms	1492 KB	Output is correct
43	Correct	345 ms	1492 KB	Output is correct
44	Correct	337 ms	1492 KB	Output is correct
45	Correct	341 ms	1492 KB	Output is correct
46	Correct	336 ms	1492 KB	Output is correct
47	Correct	345 ms	1492 KB	Output is correct
48	Correct	341 ms	1492 KB	Output is correct
49	Correct	347 ms	1492 KB	Output is correct
50	Correct	342 ms	1492 KB	Output is correct

Subtask #4
27.0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	370 ms	1492 KB	Output is correct
2	Correct	329 ms	1492 KB	Output is correct
3	Correct	297 ms	1492 KB	Output is correct
4	Correct	267 ms	1492 KB	Output is correct
5	Correct	191 ms	1492 KB	Output is correct
6	Correct	187 ms	1492 KB	Output is correct
7	Correct	190 ms	1492 KB	Output is correct
8	Correct	190 ms	1492 KB	Output is correct
9	Correct	186 ms	1492 KB	Output is correct
10	Correct	190 ms	1492 KB	Output is correct
11	Correct	190 ms	1492 KB	Output is correct
12	Correct	113 ms	1492 KB	Output is correct
13	Correct	115 ms	1492 KB	Output is correct
14	Correct	109 ms	1492 KB	Output is correct
15	Correct	114 ms	1492 KB	Output is correct
16	Correct	110 ms	1492 KB	Output is correct
17	Correct	114 ms	1492 KB	Output is correct
18	Correct	128 ms	1492 KB	Output is correct
19	Correct	23 ms	1492 KB	Output is correct
20	Correct	27 ms	1492 KB	Output is correct
21	Correct	28 ms	1492 KB	Output is correct
22	Correct	26 ms	1492 KB	Output is correct
23	Correct	26 ms	1492 KB	Output is correct
24	Correct	26 ms	1492 KB	Output is correct
25	Correct	26 ms	1492 KB	Output is correct

Subtask #5
36.0 / 36.0

#	결과	실행 시간	메모리	Grader output
1	Correct	343 ms	1492 KB	Output is correct
2	Correct	369 ms	1492 KB	Output is correct
3	Correct	346 ms	1492 KB	Output is correct
4	Correct	338 ms	1492 KB	Output is correct
5	Correct	330 ms	1492 KB	Output is correct
6	Correct	354 ms	1492 KB	Output is correct
7	Correct	342 ms	1492 KB	Output is correct
8	Correct	325 ms	1492 KB	Output is correct
9	Correct	321 ms	1492 KB	Output is correct
10	Correct	351 ms	1492 KB	Output is correct
11	Correct	328 ms	1492 KB	Output is correct
12	Correct	350 ms	1492 KB	Output is correct
13	Correct	328 ms	1492 KB	Output is correct
14	Correct	323 ms	1492 KB	Output is correct
15	Correct	320 ms	1492 KB	Output is correct
16	Correct	315 ms	1492 KB	Output is correct
17	Correct	335 ms	1492 KB	Output is correct
18	Correct	306 ms	1492 KB	Output is correct
19	Correct	306 ms	1492 KB	Output is correct
20	Correct	335 ms	1492 KB	Output is correct
21	Correct	300 ms	1492 KB	Output is correct
22	Correct	300 ms	1492 KB	Output is correct
23	Correct	301 ms	1492 KB	Output is correct
24	Correct	317 ms	1492 KB	Output is correct
25	Correct	292 ms	1492 KB	Output is correct
26	Correct	290 ms	1492 KB	Output is correct
27	Correct	299 ms	1492 KB	Output is correct
28	Correct	278 ms	1492 KB	Output is correct
29	Correct	280 ms	1492 KB	Output is correct
30	Correct	304 ms	1492 KB	Output is correct
31	Correct	276 ms	1492 KB	Output is correct
32	Correct	258 ms	1492 KB	Output is correct
33	Correct	256 ms	1492 KB	Output is correct
34	Correct	271 ms	1492 KB	Output is correct
35	Correct	251 ms	1492 KB	Output is correct
36	Correct	249 ms	1492 KB	Output is correct
37	Correct	255 ms	1492 KB	Output is correct
38	Correct	244 ms	1492 KB	Output is correct
39	Correct	239 ms	1492 KB	Output is correct
40	Correct	263 ms	1492 KB	Output is correct

답안 #13915

Compilation message

Subtask #1 8.0 / 8.0

Subtask #2 13.0 / 13.0

Subtask #3 16.0 / 16.0

Subtask #4 27.0 / 27.0

Subtask #5 36.0 / 36.0

Subtask #1
8.0 / 8.0

Subtask #2
13.0 / 13.0

Subtask #3
16.0 / 16.0

Subtask #4
27.0 / 27.0

Subtask #5
36.0 / 36.0