답안 #549126

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
549126	2022-04-15T08:50:39 Z	Pherokung	Bootfall (IZhO17_bootfall)	C++14	100 / 100	434 ms	3500 KB

bootfall

#include<bits/stdc++.h>
using namespace std;
#define N 500*500 + 10
int n,a[505],sum=0,ans[N],num;
bitset<N> dp;
void sol(int be,int ed,bitset<N> now){
	if(be == ed){
		for(int i=1;i<=N;i++){
			if(!now[i] || (i <= sum - a[be] - i)) continue;
			ans[abs((sum - a[be] - i) - i)]++;
		}
		return;
	}
	int mid = (be+ed)/2;
	bitset<N> l = now, r = now;
	for(int i=be;i<=mid;i++) r |= r << a[i];
	for(int i=mid+1;i<=ed;i++) l |= l << a[i];
	sol(be,mid,l), sol(mid+1,ed,r);
}
int main(){
	scanf("%lld",&n);
	dp = 1;
	for(int i=1;i<=n;i++) scanf("%d",&a[i]), dp |= dp << a[i], sum += a[i];
	if(sum % 2 || !dp[sum/2]){ printf("0"); return 0;} 
	dp = 1, sol(1,n,dp);
	for(int i=1;i<=N;i++) if(ans[i] == n) num++;
	printf("%d\n",num);
	for(int i=1;i<=N;i++) if(ans[i] == n) printf("%d ",i);
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:21:12: warning: format '%lld' expects argument of type 'long long int*', but argument 2 has type 'int*' [-Wformat=]
   21 |  scanf("%lld",&n);
      |         ~~~^  ~~
      |            |  |
      |            |  int*
      |            long long int*
      |         %d
bootfall.cpp:21:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |  scanf("%lld",&n);
      |  ~~~~~^~~~~~~~~~~
bootfall.cpp:23:29: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |  for(int i=1;i<=n;i++) scanf("%d",&a[i]), dp |= dp << a[i], sum += a[i];
      |                        ~~~~~^~~~~~~~~~~~
bootfall.cpp:26:32: warning: iteration 250009 invokes undefined behavior [-Waggressive-loop-optimizations]
   26 |  for(int i=1;i<=N;i++) if(ans[i] == n) num++;
      |                           ~~~~~^
bootfall.cpp:26:15: note: within this loop
   26 |  for(int i=1;i<=N;i++) if(ans[i] == n) num++;
      |               ^
bootfall.cpp:28:32: warning: iteration 250009 invokes undefined behavior [-Waggressive-loop-optimizations]
   28 |  for(int i=1;i<=N;i++) if(ans[i] == n) printf("%d ",i);
      |                           ~~~~~^
bootfall.cpp:28:15: note: within this loop
   28 |  for(int i=1;i<=N;i++) if(ans[i] == n) printf("%d ",i);
      |               ^

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	852 KB	Output is correct
2	Correct	3 ms	980 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	2 ms	852 KB	Output is correct
5	Correct	5 ms	1108 KB	Output is correct
6	Correct	3 ms	980 KB	Output is correct
7	Correct	3 ms	1008 KB	Output is correct
8	Correct	4 ms	1144 KB	Output is correct
9	Correct	4 ms	1164 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	852 KB	Output is correct
2	Correct	3 ms	980 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	2 ms	852 KB	Output is correct
5	Correct	5 ms	1108 KB	Output is correct
6	Correct	3 ms	980 KB	Output is correct
7	Correct	3 ms	1008 KB	Output is correct
8	Correct	4 ms	1144 KB	Output is correct
9	Correct	4 ms	1164 KB	Output is correct
10	Correct	10 ms	1236 KB	Output is correct
11	Correct	10 ms	1236 KB	Output is correct
12	Correct	9 ms	1312 KB	Output is correct
13	Correct	8 ms	1236 KB	Output is correct
14	Correct	8 ms	1312 KB	Output is correct
15	Correct	8 ms	1308 KB	Output is correct
16	Correct	9 ms	1236 KB	Output is correct
17	Correct	6 ms	1264 KB	Output is correct
18	Correct	8 ms	1264 KB	Output is correct
19	Correct	8 ms	1236 KB	Output is correct
20	Correct	11 ms	1312 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	852 KB	Output is correct
2	Correct	3 ms	980 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	2 ms	852 KB	Output is correct
5	Correct	5 ms	1108 KB	Output is correct
6	Correct	3 ms	980 KB	Output is correct
7	Correct	3 ms	1008 KB	Output is correct
8	Correct	4 ms	1144 KB	Output is correct
9	Correct	4 ms	1164 KB	Output is correct
10	Correct	10 ms	1236 KB	Output is correct
11	Correct	10 ms	1236 KB	Output is correct
12	Correct	9 ms	1312 KB	Output is correct
13	Correct	8 ms	1236 KB	Output is correct
14	Correct	8 ms	1312 KB	Output is correct
15	Correct	8 ms	1308 KB	Output is correct
16	Correct	9 ms	1236 KB	Output is correct
17	Correct	6 ms	1264 KB	Output is correct
18	Correct	8 ms	1264 KB	Output is correct
19	Correct	8 ms	1236 KB	Output is correct
20	Correct	11 ms	1312 KB	Output is correct
21	Correct	18 ms	1480 KB	Output is correct
22	Correct	29 ms	1620 KB	Output is correct
23	Correct	20 ms	1364 KB	Output is correct
24	Correct	31 ms	1624 KB	Output is correct
25	Correct	27 ms	1620 KB	Output is correct
26	Correct	30 ms	1652 KB	Output is correct
27	Correct	28 ms	1620 KB	Output is correct
28	Correct	28 ms	1648 KB	Output is correct
29	Correct	29 ms	1620 KB	Output is correct
30	Correct	28 ms	1624 KB	Output is correct
31	Correct	30 ms	1640 KB	Output is correct
32	Correct	32 ms	1612 KB	Output is correct
33	Correct	30 ms	1620 KB	Output is correct
34	Correct	28 ms	1620 KB	Output is correct
35	Correct	33 ms	1636 KB	Output is correct
36	Correct	28 ms	1628 KB	Output is correct

Subtask #4
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	852 KB	Output is correct
2	Correct	3 ms	980 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	2 ms	852 KB	Output is correct
5	Correct	5 ms	1108 KB	Output is correct
6	Correct	3 ms	980 KB	Output is correct
7	Correct	3 ms	1008 KB	Output is correct
8	Correct	4 ms	1144 KB	Output is correct
9	Correct	4 ms	1164 KB	Output is correct
10	Correct	10 ms	1236 KB	Output is correct
11	Correct	10 ms	1236 KB	Output is correct
12	Correct	9 ms	1312 KB	Output is correct
13	Correct	8 ms	1236 KB	Output is correct
14	Correct	8 ms	1312 KB	Output is correct
15	Correct	8 ms	1308 KB	Output is correct
16	Correct	9 ms	1236 KB	Output is correct
17	Correct	6 ms	1264 KB	Output is correct
18	Correct	8 ms	1264 KB	Output is correct
19	Correct	8 ms	1236 KB	Output is correct
20	Correct	11 ms	1312 KB	Output is correct
21	Correct	18 ms	1480 KB	Output is correct
22	Correct	29 ms	1620 KB	Output is correct
23	Correct	20 ms	1364 KB	Output is correct
24	Correct	31 ms	1624 KB	Output is correct
25	Correct	27 ms	1620 KB	Output is correct
26	Correct	30 ms	1652 KB	Output is correct
27	Correct	28 ms	1620 KB	Output is correct
28	Correct	28 ms	1648 KB	Output is correct
29	Correct	29 ms	1620 KB	Output is correct
30	Correct	28 ms	1624 KB	Output is correct
31	Correct	30 ms	1640 KB	Output is correct
32	Correct	32 ms	1612 KB	Output is correct
33	Correct	30 ms	1620 KB	Output is correct
34	Correct	28 ms	1620 KB	Output is correct
35	Correct	33 ms	1636 KB	Output is correct
36	Correct	28 ms	1628 KB	Output is correct
37	Correct	64 ms	1824 KB	Output is correct
38	Correct	68 ms	1868 KB	Output is correct
39	Correct	66 ms	2004 KB	Output is correct
40	Correct	95 ms	2028 KB	Output is correct
41	Correct	84 ms	2192 KB	Output is correct
42	Correct	98 ms	1880 KB	Output is correct
43	Correct	97 ms	2096 KB	Output is correct
44	Correct	102 ms	2100 KB	Output is correct
45	Correct	115 ms	2116 KB	Output is correct
46	Correct	91 ms	2124 KB	Output is correct
47	Correct	87 ms	1876 KB	Output is correct
48	Correct	97 ms	2004 KB	Output is correct
49	Correct	87 ms	1984 KB	Output is correct
50	Correct	92 ms	1880 KB	Output is correct
51	Correct	2 ms	340 KB	Output is correct
52	Correct	125 ms	2308 KB	Output is correct

Subtask #5
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	852 KB	Output is correct
2	Correct	3 ms	980 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	2 ms	852 KB	Output is correct
5	Correct	5 ms	1108 KB	Output is correct
6	Correct	3 ms	980 KB	Output is correct
7	Correct	3 ms	1008 KB	Output is correct
8	Correct	4 ms	1144 KB	Output is correct
9	Correct	4 ms	1164 KB	Output is correct
10	Correct	10 ms	1236 KB	Output is correct
11	Correct	10 ms	1236 KB	Output is correct
12	Correct	9 ms	1312 KB	Output is correct
13	Correct	8 ms	1236 KB	Output is correct
14	Correct	8 ms	1312 KB	Output is correct
15	Correct	8 ms	1308 KB	Output is correct
16	Correct	9 ms	1236 KB	Output is correct
17	Correct	6 ms	1264 KB	Output is correct
18	Correct	8 ms	1264 KB	Output is correct
19	Correct	8 ms	1236 KB	Output is correct
20	Correct	11 ms	1312 KB	Output is correct
21	Correct	18 ms	1480 KB	Output is correct
22	Correct	29 ms	1620 KB	Output is correct
23	Correct	20 ms	1364 KB	Output is correct
24	Correct	31 ms	1624 KB	Output is correct
25	Correct	27 ms	1620 KB	Output is correct
26	Correct	30 ms	1652 KB	Output is correct
27	Correct	28 ms	1620 KB	Output is correct
28	Correct	28 ms	1648 KB	Output is correct
29	Correct	29 ms	1620 KB	Output is correct
30	Correct	28 ms	1624 KB	Output is correct
31	Correct	30 ms	1640 KB	Output is correct
32	Correct	32 ms	1612 KB	Output is correct
33	Correct	30 ms	1620 KB	Output is correct
34	Correct	28 ms	1620 KB	Output is correct
35	Correct	33 ms	1636 KB	Output is correct
36	Correct	28 ms	1628 KB	Output is correct
37	Correct	64 ms	1824 KB	Output is correct
38	Correct	68 ms	1868 KB	Output is correct
39	Correct	66 ms	2004 KB	Output is correct
40	Correct	95 ms	2028 KB	Output is correct
41	Correct	84 ms	2192 KB	Output is correct
42	Correct	98 ms	1880 KB	Output is correct
43	Correct	97 ms	2096 KB	Output is correct
44	Correct	102 ms	2100 KB	Output is correct
45	Correct	115 ms	2116 KB	Output is correct
46	Correct	91 ms	2124 KB	Output is correct
47	Correct	87 ms	1876 KB	Output is correct
48	Correct	97 ms	2004 KB	Output is correct
49	Correct	87 ms	1984 KB	Output is correct
50	Correct	92 ms	1880 KB	Output is correct
51	Correct	2 ms	340 KB	Output is correct
52	Correct	125 ms	2308 KB	Output is correct
53	Correct	120 ms	2208 KB	Output is correct
54	Correct	146 ms	2248 KB	Output is correct
55	Correct	178 ms	2600 KB	Output is correct
56	Correct	129 ms	2268 KB	Output is correct
57	Correct	190 ms	2612 KB	Output is correct
58	Correct	159 ms	2268 KB	Output is correct
59	Correct	179 ms	2328 KB	Output is correct
60	Correct	3 ms	340 KB	Output is correct
61	Correct	170 ms	2368 KB	Output is correct
62	Correct	164 ms	2536 KB	Output is correct
63	Correct	182 ms	2580 KB	Output is correct
64	Correct	159 ms	2564 KB	Output is correct
65	Correct	99 ms	2100 KB	Output is correct
66	Correct	87 ms	2116 KB	Output is correct

Subtask #6
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	852 KB	Output is correct
2	Correct	3 ms	980 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	2 ms	852 KB	Output is correct
5	Correct	5 ms	1108 KB	Output is correct
6	Correct	3 ms	980 KB	Output is correct
7	Correct	3 ms	1008 KB	Output is correct
8	Correct	4 ms	1144 KB	Output is correct
9	Correct	4 ms	1164 KB	Output is correct
10	Correct	10 ms	1236 KB	Output is correct
11	Correct	10 ms	1236 KB	Output is correct
12	Correct	9 ms	1312 KB	Output is correct
13	Correct	8 ms	1236 KB	Output is correct
14	Correct	8 ms	1312 KB	Output is correct
15	Correct	8 ms	1308 KB	Output is correct
16	Correct	9 ms	1236 KB	Output is correct
17	Correct	6 ms	1264 KB	Output is correct
18	Correct	8 ms	1264 KB	Output is correct
19	Correct	8 ms	1236 KB	Output is correct
20	Correct	11 ms	1312 KB	Output is correct
21	Correct	18 ms	1480 KB	Output is correct
22	Correct	29 ms	1620 KB	Output is correct
23	Correct	20 ms	1364 KB	Output is correct
24	Correct	31 ms	1624 KB	Output is correct
25	Correct	27 ms	1620 KB	Output is correct
26	Correct	30 ms	1652 KB	Output is correct
27	Correct	28 ms	1620 KB	Output is correct
28	Correct	28 ms	1648 KB	Output is correct
29	Correct	29 ms	1620 KB	Output is correct
30	Correct	28 ms	1624 KB	Output is correct
31	Correct	30 ms	1640 KB	Output is correct
32	Correct	32 ms	1612 KB	Output is correct
33	Correct	30 ms	1620 KB	Output is correct
34	Correct	28 ms	1620 KB	Output is correct
35	Correct	33 ms	1636 KB	Output is correct
36	Correct	28 ms	1628 KB	Output is correct
37	Correct	64 ms	1824 KB	Output is correct
38	Correct	68 ms	1868 KB	Output is correct
39	Correct	66 ms	2004 KB	Output is correct
40	Correct	95 ms	2028 KB	Output is correct
41	Correct	84 ms	2192 KB	Output is correct
42	Correct	98 ms	1880 KB	Output is correct
43	Correct	97 ms	2096 KB	Output is correct
44	Correct	102 ms	2100 KB	Output is correct
45	Correct	115 ms	2116 KB	Output is correct
46	Correct	91 ms	2124 KB	Output is correct
47	Correct	87 ms	1876 KB	Output is correct
48	Correct	97 ms	2004 KB	Output is correct
49	Correct	87 ms	1984 KB	Output is correct
50	Correct	92 ms	1880 KB	Output is correct
51	Correct	2 ms	340 KB	Output is correct
52	Correct	125 ms	2308 KB	Output is correct
53	Correct	120 ms	2208 KB	Output is correct
54	Correct	146 ms	2248 KB	Output is correct
55	Correct	178 ms	2600 KB	Output is correct
56	Correct	129 ms	2268 KB	Output is correct
57	Correct	190 ms	2612 KB	Output is correct
58	Correct	159 ms	2268 KB	Output is correct
59	Correct	179 ms	2328 KB	Output is correct
60	Correct	3 ms	340 KB	Output is correct
61	Correct	170 ms	2368 KB	Output is correct
62	Correct	164 ms	2536 KB	Output is correct
63	Correct	182 ms	2580 KB	Output is correct
64	Correct	159 ms	2564 KB	Output is correct
65	Correct	99 ms	2100 KB	Output is correct
66	Correct	87 ms	2116 KB	Output is correct
67	Correct	208 ms	2344 KB	Output is correct
68	Correct	4 ms	340 KB	Output is correct
69	Correct	381 ms	3368 KB	Output is correct
70	Correct	298 ms	2792 KB	Output is correct
71	Correct	283 ms	2776 KB	Output is correct
72	Correct	300 ms	2396 KB	Output is correct
73	Correct	275 ms	2412 KB	Output is correct
74	Correct	413 ms	3420 KB	Output is correct
75	Correct	340 ms	3100 KB	Output is correct
76	Correct	393 ms	3500 KB	Output is correct
77	Correct	434 ms	3468 KB	Output is correct

답안 #549126

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 16.0 / 16.0

Subtask #5 21.0 / 21.0

Subtask #6 35.0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
16.0 / 16.0

Subtask #5
21.0 / 21.0

Subtask #6
35.0 / 35.0