답안 #39857

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
39857 2018-01-21T21:27:25 Z igzi Bootfall (IZhO17_bootfall) C++14
100 / 100
526 ms 5808 KB
#include<bits/stdc++.h>
using namespace std;
const int maxn = 505;
const int mx = 250000;
int n;
int a[maxn], cnt[mx+505];
int dp[mx+505], temp[mx+505];
vector<int> ans;
int main() {
    scanf("%d",&n);
    for(int i=1;i<=n;i++) scanf("%d",&a[i]);
    int sum = 0;
    for(int i=1;i<=n;i++) sum += a[i];
    dp[0] = 1;
    for(int i=1;i<=n;i++) {
        for(int x=mx;x>=0;x--) dp[x+a[i]] += dp[x];
    }
    if(sum%2!=0 || dp[sum/2]==0) return !printf("0");
    for(int i=1;i<=n;i++) {
        memset(temp,0,sizeof(temp));
        for(int x=0;x<=mx;x++) {
            temp[x] += dp[x];
            temp[x+a[i]] -= temp[x];
        }
        for(int x=0;x<=mx;x++) {
            if((sum-a[i]+x)%2==0 && sum-a[i]-x>=0 && temp[(sum-a[i]-x)/2]!=0) cnt[x]++;
        }
    }
    for(int i=1;i<=mx;i++) if(cnt[i]==n) ans.push_back(i);
    printf("%d\n",ans.size());
    for(auto x : ans) printf("%d ",x);
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:30:29: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=]
     printf("%d\n",ans.size());
                             ^
bootfall.cpp:10:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
                   ^
bootfall.cpp:11:44: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i=1;i<=n;i++) scanf("%d",&a[i]);
                                            ^
# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 4956 KB Output is correct
2 Correct 12 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 10 ms 4956 KB Output is correct
5 Correct 21 ms 4956 KB Output is correct
6 Correct 17 ms 4956 KB Output is correct
7 Correct 5 ms 4956 KB Output is correct
8 Correct 18 ms 4956 KB Output is correct
9 Correct 12 ms 4956 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 4956 KB Output is correct
2 Correct 12 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 10 ms 4956 KB Output is correct
5 Correct 21 ms 4956 KB Output is correct
6 Correct 17 ms 4956 KB Output is correct
7 Correct 5 ms 4956 KB Output is correct
8 Correct 18 ms 4956 KB Output is correct
9 Correct 12 ms 4956 KB Output is correct
10 Correct 43 ms 4956 KB Output is correct
11 Correct 42 ms 4956 KB Output is correct
12 Correct 61 ms 4956 KB Output is correct
13 Correct 39 ms 4956 KB Output is correct
14 Correct 38 ms 4956 KB Output is correct
15 Correct 40 ms 4956 KB Output is correct
16 Correct 39 ms 4956 KB Output is correct
17 Correct 20 ms 4956 KB Output is correct
18 Correct 33 ms 4956 KB Output is correct
19 Correct 37 ms 4956 KB Output is correct
20 Correct 41 ms 4956 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 4956 KB Output is correct
2 Correct 12 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 10 ms 4956 KB Output is correct
5 Correct 21 ms 4956 KB Output is correct
6 Correct 17 ms 4956 KB Output is correct
7 Correct 5 ms 4956 KB Output is correct
8 Correct 18 ms 4956 KB Output is correct
9 Correct 12 ms 4956 KB Output is correct
10 Correct 43 ms 4956 KB Output is correct
11 Correct 42 ms 4956 KB Output is correct
12 Correct 61 ms 4956 KB Output is correct
13 Correct 39 ms 4956 KB Output is correct
14 Correct 38 ms 4956 KB Output is correct
15 Correct 40 ms 4956 KB Output is correct
16 Correct 39 ms 4956 KB Output is correct
17 Correct 20 ms 4956 KB Output is correct
18 Correct 33 ms 4956 KB Output is correct
19 Correct 37 ms 4956 KB Output is correct
20 Correct 41 ms 4956 KB Output is correct
21 Correct 87 ms 4956 KB Output is correct
22 Correct 95 ms 4956 KB Output is correct
23 Correct 79 ms 4956 KB Output is correct
24 Correct 116 ms 4956 KB Output is correct
25 Correct 145 ms 4956 KB Output is correct
26 Correct 131 ms 4956 KB Output is correct
27 Correct 114 ms 4956 KB Output is correct
28 Correct 103 ms 4956 KB Output is correct
29 Correct 137 ms 4956 KB Output is correct
30 Correct 131 ms 4956 KB Output is correct
31 Correct 129 ms 4956 KB Output is correct
32 Correct 113 ms 4956 KB Output is correct
33 Correct 98 ms 4956 KB Output is correct
34 Correct 154 ms 4956 KB Output is correct
35 Correct 111 ms 4956 KB Output is correct
36 Correct 108 ms 4956 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 4956 KB Output is correct
2 Correct 12 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 10 ms 4956 KB Output is correct
5 Correct 21 ms 4956 KB Output is correct
6 Correct 17 ms 4956 KB Output is correct
7 Correct 5 ms 4956 KB Output is correct
8 Correct 18 ms 4956 KB Output is correct
9 Correct 12 ms 4956 KB Output is correct
10 Correct 43 ms 4956 KB Output is correct
11 Correct 42 ms 4956 KB Output is correct
12 Correct 61 ms 4956 KB Output is correct
13 Correct 39 ms 4956 KB Output is correct
14 Correct 38 ms 4956 KB Output is correct
15 Correct 40 ms 4956 KB Output is correct
16 Correct 39 ms 4956 KB Output is correct
17 Correct 20 ms 4956 KB Output is correct
18 Correct 33 ms 4956 KB Output is correct
19 Correct 37 ms 4956 KB Output is correct
20 Correct 41 ms 4956 KB Output is correct
21 Correct 87 ms 4956 KB Output is correct
22 Correct 95 ms 4956 KB Output is correct
23 Correct 79 ms 4956 KB Output is correct
24 Correct 116 ms 4956 KB Output is correct
25 Correct 145 ms 4956 KB Output is correct
26 Correct 131 ms 4956 KB Output is correct
27 Correct 114 ms 4956 KB Output is correct
28 Correct 103 ms 4956 KB Output is correct
29 Correct 137 ms 4956 KB Output is correct
30 Correct 131 ms 4956 KB Output is correct
31 Correct 129 ms 4956 KB Output is correct
32 Correct 113 ms 4956 KB Output is correct
33 Correct 98 ms 4956 KB Output is correct
34 Correct 154 ms 4956 KB Output is correct
35 Correct 111 ms 4956 KB Output is correct
36 Correct 108 ms 4956 KB Output is correct
37 Correct 254 ms 5096 KB Output is correct
38 Correct 266 ms 5096 KB Output is correct
39 Correct 317 ms 4956 KB Output is correct
40 Correct 299 ms 5096 KB Output is correct
41 Correct 299 ms 4956 KB Output is correct
42 Correct 275 ms 5096 KB Output is correct
43 Correct 311 ms 5228 KB Output is correct
44 Correct 319 ms 5228 KB Output is correct
45 Correct 296 ms 5228 KB Output is correct
46 Correct 389 ms 4956 KB Output is correct
47 Correct 303 ms 5096 KB Output is correct
48 Correct 299 ms 5228 KB Output is correct
49 Correct 311 ms 5096 KB Output is correct
50 Correct 297 ms 5096 KB Output is correct
51 Correct 69 ms 4956 KB Output is correct
52 Correct 352 ms 5228 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 4956 KB Output is correct
2 Correct 12 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 10 ms 4956 KB Output is correct
5 Correct 21 ms 4956 KB Output is correct
6 Correct 17 ms 4956 KB Output is correct
7 Correct 5 ms 4956 KB Output is correct
8 Correct 18 ms 4956 KB Output is correct
9 Correct 12 ms 4956 KB Output is correct
10 Correct 43 ms 4956 KB Output is correct
11 Correct 42 ms 4956 KB Output is correct
12 Correct 61 ms 4956 KB Output is correct
13 Correct 39 ms 4956 KB Output is correct
14 Correct 38 ms 4956 KB Output is correct
15 Correct 40 ms 4956 KB Output is correct
16 Correct 39 ms 4956 KB Output is correct
17 Correct 20 ms 4956 KB Output is correct
18 Correct 33 ms 4956 KB Output is correct
19 Correct 37 ms 4956 KB Output is correct
20 Correct 41 ms 4956 KB Output is correct
21 Correct 87 ms 4956 KB Output is correct
22 Correct 95 ms 4956 KB Output is correct
23 Correct 79 ms 4956 KB Output is correct
24 Correct 116 ms 4956 KB Output is correct
25 Correct 145 ms 4956 KB Output is correct
26 Correct 131 ms 4956 KB Output is correct
27 Correct 114 ms 4956 KB Output is correct
28 Correct 103 ms 4956 KB Output is correct
29 Correct 137 ms 4956 KB Output is correct
30 Correct 131 ms 4956 KB Output is correct
31 Correct 129 ms 4956 KB Output is correct
32 Correct 113 ms 4956 KB Output is correct
33 Correct 98 ms 4956 KB Output is correct
34 Correct 154 ms 4956 KB Output is correct
35 Correct 111 ms 4956 KB Output is correct
36 Correct 108 ms 4956 KB Output is correct
37 Correct 254 ms 5096 KB Output is correct
38 Correct 266 ms 5096 KB Output is correct
39 Correct 317 ms 4956 KB Output is correct
40 Correct 299 ms 5096 KB Output is correct
41 Correct 299 ms 4956 KB Output is correct
42 Correct 275 ms 5096 KB Output is correct
43 Correct 311 ms 5228 KB Output is correct
44 Correct 319 ms 5228 KB Output is correct
45 Correct 296 ms 5228 KB Output is correct
46 Correct 389 ms 4956 KB Output is correct
47 Correct 303 ms 5096 KB Output is correct
48 Correct 299 ms 5228 KB Output is correct
49 Correct 311 ms 5096 KB Output is correct
50 Correct 297 ms 5096 KB Output is correct
51 Correct 69 ms 4956 KB Output is correct
52 Correct 352 ms 5228 KB Output is correct
53 Correct 361 ms 5228 KB Output is correct
54 Correct 410 ms 5228 KB Output is correct
55 Correct 437 ms 5424 KB Output is correct
56 Correct 365 ms 5228 KB Output is correct
57 Correct 418 ms 5424 KB Output is correct
58 Correct 394 ms 5228 KB Output is correct
59 Correct 434 ms 5424 KB Output is correct
60 Correct 91 ms 4956 KB Output is correct
61 Correct 384 ms 5424 KB Output is correct
62 Correct 375 ms 5424 KB Output is correct
63 Correct 368 ms 5424 KB Output is correct
64 Correct 410 ms 5424 KB Output is correct
65 Correct 387 ms 4956 KB Output is correct
66 Correct 404 ms 5096 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 4956 KB Output is correct
2 Correct 12 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 10 ms 4956 KB Output is correct
5 Correct 21 ms 4956 KB Output is correct
6 Correct 17 ms 4956 KB Output is correct
7 Correct 5 ms 4956 KB Output is correct
8 Correct 18 ms 4956 KB Output is correct
9 Correct 12 ms 4956 KB Output is correct
10 Correct 43 ms 4956 KB Output is correct
11 Correct 42 ms 4956 KB Output is correct
12 Correct 61 ms 4956 KB Output is correct
13 Correct 39 ms 4956 KB Output is correct
14 Correct 38 ms 4956 KB Output is correct
15 Correct 40 ms 4956 KB Output is correct
16 Correct 39 ms 4956 KB Output is correct
17 Correct 20 ms 4956 KB Output is correct
18 Correct 33 ms 4956 KB Output is correct
19 Correct 37 ms 4956 KB Output is correct
20 Correct 41 ms 4956 KB Output is correct
21 Correct 87 ms 4956 KB Output is correct
22 Correct 95 ms 4956 KB Output is correct
23 Correct 79 ms 4956 KB Output is correct
24 Correct 116 ms 4956 KB Output is correct
25 Correct 145 ms 4956 KB Output is correct
26 Correct 131 ms 4956 KB Output is correct
27 Correct 114 ms 4956 KB Output is correct
28 Correct 103 ms 4956 KB Output is correct
29 Correct 137 ms 4956 KB Output is correct
30 Correct 131 ms 4956 KB Output is correct
31 Correct 129 ms 4956 KB Output is correct
32 Correct 113 ms 4956 KB Output is correct
33 Correct 98 ms 4956 KB Output is correct
34 Correct 154 ms 4956 KB Output is correct
35 Correct 111 ms 4956 KB Output is correct
36 Correct 108 ms 4956 KB Output is correct
37 Correct 254 ms 5096 KB Output is correct
38 Correct 266 ms 5096 KB Output is correct
39 Correct 317 ms 4956 KB Output is correct
40 Correct 299 ms 5096 KB Output is correct
41 Correct 299 ms 4956 KB Output is correct
42 Correct 275 ms 5096 KB Output is correct
43 Correct 311 ms 5228 KB Output is correct
44 Correct 319 ms 5228 KB Output is correct
45 Correct 296 ms 5228 KB Output is correct
46 Correct 389 ms 4956 KB Output is correct
47 Correct 303 ms 5096 KB Output is correct
48 Correct 299 ms 5228 KB Output is correct
49 Correct 311 ms 5096 KB Output is correct
50 Correct 297 ms 5096 KB Output is correct
51 Correct 69 ms 4956 KB Output is correct
52 Correct 352 ms 5228 KB Output is correct
53 Correct 361 ms 5228 KB Output is correct
54 Correct 410 ms 5228 KB Output is correct
55 Correct 437 ms 5424 KB Output is correct
56 Correct 365 ms 5228 KB Output is correct
57 Correct 418 ms 5424 KB Output is correct
58 Correct 394 ms 5228 KB Output is correct
59 Correct 434 ms 5424 KB Output is correct
60 Correct 91 ms 4956 KB Output is correct
61 Correct 384 ms 5424 KB Output is correct
62 Correct 375 ms 5424 KB Output is correct
63 Correct 368 ms 5424 KB Output is correct
64 Correct 410 ms 5424 KB Output is correct
65 Correct 387 ms 4956 KB Output is correct
66 Correct 404 ms 5096 KB Output is correct
67 Correct 474 ms 5424 KB Output is correct
68 Correct 130 ms 4956 KB Output is correct
69 Correct 502 ms 5808 KB Output is correct
70 Correct 488 ms 5424 KB Output is correct
71 Correct 521 ms 5424 KB Output is correct
72 Correct 511 ms 4956 KB Output is correct
73 Correct 526 ms 4956 KB Output is correct
74 Correct 491 ms 5808 KB Output is correct
75 Correct 492 ms 5808 KB Output is correct
76 Correct 485 ms 5808 KB Output is correct
77 Correct 511 ms 5808 KB Output is correct