답안 #38249 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
38249	2018-01-03T06:59:12 Z	mirbek01	Bootfall (IZhO17_bootfall)	C++14	28 / 100	1000 ms	5084 KB

bootfall

# include <bits/stdc++.h>

# define pb push_back
# define fr first
# define sc second
# define mk make_pair

using namespace std;

const long long linf = 1e18 + 7;
const int inf = 1e9 + 7;
const int N = 250005;

typedef long long ll;

int n, a[N], dp[N], cnt[N], s;
vector <int> ans;

int main(){
      dp[0] = 1;

      scanf("%d", &n);

      for(int i = 1; i <= n; i ++){
            scanf("%d", &a[i]);
            s += a[i];
      }

      for(int i = 1; i <= n; i ++)
            for(int j = 1; j <= s; j ++)
                  dp[j] += dp[j - a[i]];

      if(s % 2 || !dp[s / 2])
      {
            cout << 0 << endl;
            return 0;
      }

      for(int i = 1; i <= n; i ++){
            int ss = 0;
            for(int j = 1; j <= s; j ++)
                  dp[j] = 0;
            for(int j = 1; j <= n; j ++){
                  if(j != i){
                        ss += a[j];
                        for(int k = s; k -  a[j] >= 0; k --)
                              dp[k] += dp[k - a[j]];
                  }
            }
            for(int j = ss / 2 + 1; j <= ss; j ++)
                  if(dp[j]) cnt[j * 2 - ss] ++;
      }

      for(int i = 1; i <= s; i ++)
             if(cnt[i] == n) ans.pb(i);

      printf("%d\n", ans.size());

      for(int i : ans)
            printf("%d ", i);
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:57:32: 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:22:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", &n);
                      ^
bootfall.cpp:25:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &a[i]);
                               ^

Subtask #1
6.0 / 6.0

#	결과	메모리	Grader output
1	Correct	4944 KB	Output is correct
2	Correct	4944 KB	Output is correct
3	Correct	4944 KB	Output is correct
4	Correct	4944 KB	Output is correct
5	Correct	4944 KB	Output is correct
6	Correct	4944 KB	Output is correct
7	Correct	4944 KB	Output is correct
8	Correct	4944 KB	Output is correct
9	Correct	4944 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	메모리	Grader output
1	Correct	4944 KB	Output is correct
2	Correct	4944 KB	Output is correct
3	Correct	4944 KB	Output is correct
4	Correct	4944 KB	Output is correct
5	Correct	4944 KB	Output is correct
6	Correct	4944 KB	Output is correct
7	Correct	4944 KB	Output is correct
8	Correct	4944 KB	Output is correct
9	Correct	4944 KB	Output is correct
10	Correct	4944 KB	Output is correct
11	Correct	4944 KB	Output is correct
12	Correct	4944 KB	Output is correct
13	Correct	4944 KB	Output is correct
14	Correct	4944 KB	Output is correct
15	Correct	4944 KB	Output is correct
16	Correct	4944 KB	Output is correct
17	Correct	4944 KB	Output is correct
18	Correct	4944 KB	Output is correct
19	Correct	4944 KB	Output is correct
20	Correct	4944 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	4944 KB	Output is correct
2	Correct	0 ms	4944 KB	Output is correct
3	Correct	0 ms	4944 KB	Output is correct
4	Correct	0 ms	4944 KB	Output is correct
5	Correct	0 ms	4944 KB	Output is correct
6	Correct	0 ms	4944 KB	Output is correct
7	Correct	0 ms	4944 KB	Output is correct
8	Correct	0 ms	4944 KB	Output is correct
9	Correct	0 ms	4944 KB	Output is correct
10	Correct	0 ms	4944 KB	Output is correct
11	Correct	0 ms	4944 KB	Output is correct
12	Correct	0 ms	4944 KB	Output is correct
13	Correct	0 ms	4944 KB	Output is correct
14	Correct	0 ms	4944 KB	Output is correct
15	Correct	0 ms	4944 KB	Output is correct
16	Correct	0 ms	4944 KB	Output is correct
17	Correct	0 ms	4944 KB	Output is correct
18	Correct	0 ms	4944 KB	Output is correct
19	Correct	0 ms	4944 KB	Output is correct
20	Correct	0 ms	4944 KB	Output is correct
21	Correct	16 ms	4944 KB	Output is correct
22	Correct	19 ms	4944 KB	Output is correct
23	Correct	9 ms	4944 KB	Output is correct
24	Correct	66 ms	4944 KB	Output is correct
25	Correct	99 ms	4944 KB	Output is correct
26	Correct	126 ms	4944 KB	Output is correct
27	Correct	123 ms	4944 KB	Output is correct
28	Correct	119 ms	4944 KB	Output is correct
29	Correct	129 ms	4944 KB	Output is correct
30	Correct	76 ms	4944 KB	Output is correct
31	Correct	106 ms	4944 KB	Output is correct
32	Correct	69 ms	4944 KB	Output is correct
33	Correct	133 ms	4944 KB	Output is correct
34	Correct	136 ms	4944 KB	Output is correct
35	Correct	139 ms	4944 KB	Output is correct
36	Correct	63 ms	4944 KB	Output is correct

Subtask #4
0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	4944 KB	Output is correct
2	Correct	0 ms	4944 KB	Output is correct
3	Correct	0 ms	4944 KB	Output is correct
4	Correct	0 ms	4944 KB	Output is correct
5	Correct	0 ms	4944 KB	Output is correct
6	Correct	0 ms	4944 KB	Output is correct
7	Correct	0 ms	4944 KB	Output is correct
8	Correct	0 ms	4944 KB	Output is correct
9	Correct	0 ms	4944 KB	Output is correct
10	Correct	0 ms	4944 KB	Output is correct
11	Correct	0 ms	4944 KB	Output is correct
12	Correct	0 ms	4944 KB	Output is correct
13	Correct	0 ms	4944 KB	Output is correct
14	Correct	0 ms	4944 KB	Output is correct
15	Correct	0 ms	4944 KB	Output is correct
16	Correct	0 ms	4944 KB	Output is correct
17	Correct	0 ms	4944 KB	Output is correct
18	Correct	0 ms	4944 KB	Output is correct
19	Correct	0 ms	4944 KB	Output is correct
20	Correct	0 ms	4944 KB	Output is correct
21	Correct	16 ms	4944 KB	Output is correct
22	Correct	19 ms	4944 KB	Output is correct
23	Correct	9 ms	4944 KB	Output is correct
24	Correct	66 ms	4944 KB	Output is correct
25	Correct	99 ms	4944 KB	Output is correct
26	Correct	126 ms	4944 KB	Output is correct
27	Correct	123 ms	4944 KB	Output is correct
28	Correct	119 ms	4944 KB	Output is correct
29	Correct	129 ms	4944 KB	Output is correct
30	Correct	76 ms	4944 KB	Output is correct
31	Correct	106 ms	4944 KB	Output is correct
32	Correct	69 ms	4944 KB	Output is correct
33	Correct	133 ms	4944 KB	Output is correct
34	Correct	136 ms	4944 KB	Output is correct
35	Correct	139 ms	4944 KB	Output is correct
36	Correct	63 ms	4944 KB	Output is correct
37	Execution timed out	1000 ms	5084 KB	Execution timed out
38	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	4944 KB	Output is correct
2	Correct	0 ms	4944 KB	Output is correct
3	Correct	0 ms	4944 KB	Output is correct
4	Correct	0 ms	4944 KB	Output is correct
5	Correct	0 ms	4944 KB	Output is correct
6	Correct	0 ms	4944 KB	Output is correct
7	Correct	0 ms	4944 KB	Output is correct
8	Correct	0 ms	4944 KB	Output is correct
9	Correct	0 ms	4944 KB	Output is correct
10	Correct	0 ms	4944 KB	Output is correct
11	Correct	0 ms	4944 KB	Output is correct
12	Correct	0 ms	4944 KB	Output is correct
13	Correct	0 ms	4944 KB	Output is correct
14	Correct	0 ms	4944 KB	Output is correct
15	Correct	0 ms	4944 KB	Output is correct
16	Correct	0 ms	4944 KB	Output is correct
17	Correct	0 ms	4944 KB	Output is correct
18	Correct	0 ms	4944 KB	Output is correct
19	Correct	0 ms	4944 KB	Output is correct
20	Correct	0 ms	4944 KB	Output is correct
21	Correct	16 ms	4944 KB	Output is correct
22	Correct	19 ms	4944 KB	Output is correct
23	Correct	9 ms	4944 KB	Output is correct
24	Correct	66 ms	4944 KB	Output is correct
25	Correct	99 ms	4944 KB	Output is correct
26	Correct	126 ms	4944 KB	Output is correct
27	Correct	123 ms	4944 KB	Output is correct
28	Correct	119 ms	4944 KB	Output is correct
29	Correct	129 ms	4944 KB	Output is correct
30	Correct	76 ms	4944 KB	Output is correct
31	Correct	106 ms	4944 KB	Output is correct
32	Correct	69 ms	4944 KB	Output is correct
33	Correct	133 ms	4944 KB	Output is correct
34	Correct	136 ms	4944 KB	Output is correct
35	Correct	139 ms	4944 KB	Output is correct
36	Correct	63 ms	4944 KB	Output is correct
37	Execution timed out	1000 ms	5084 KB	Execution timed out
38	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	4944 KB	Output is correct
2	Correct	0 ms	4944 KB	Output is correct
3	Correct	0 ms	4944 KB	Output is correct
4	Correct	0 ms	4944 KB	Output is correct
5	Correct	0 ms	4944 KB	Output is correct
6	Correct	0 ms	4944 KB	Output is correct
7	Correct	0 ms	4944 KB	Output is correct
8	Correct	0 ms	4944 KB	Output is correct
9	Correct	0 ms	4944 KB	Output is correct
10	Correct	0 ms	4944 KB	Output is correct
11	Correct	0 ms	4944 KB	Output is correct
12	Correct	0 ms	4944 KB	Output is correct
13	Correct	0 ms	4944 KB	Output is correct
14	Correct	0 ms	4944 KB	Output is correct
15	Correct	0 ms	4944 KB	Output is correct
16	Correct	0 ms	4944 KB	Output is correct
17	Correct	0 ms	4944 KB	Output is correct
18	Correct	0 ms	4944 KB	Output is correct
19	Correct	0 ms	4944 KB	Output is correct
20	Correct	0 ms	4944 KB	Output is correct
21	Correct	16 ms	4944 KB	Output is correct
22	Correct	19 ms	4944 KB	Output is correct
23	Correct	9 ms	4944 KB	Output is correct
24	Correct	66 ms	4944 KB	Output is correct
25	Correct	99 ms	4944 KB	Output is correct
26	Correct	126 ms	4944 KB	Output is correct
27	Correct	123 ms	4944 KB	Output is correct
28	Correct	119 ms	4944 KB	Output is correct
29	Correct	129 ms	4944 KB	Output is correct
30	Correct	76 ms	4944 KB	Output is correct
31	Correct	106 ms	4944 KB	Output is correct
32	Correct	69 ms	4944 KB	Output is correct
33	Correct	133 ms	4944 KB	Output is correct
34	Correct	136 ms	4944 KB	Output is correct
35	Correct	139 ms	4944 KB	Output is correct
36	Correct	63 ms	4944 KB	Output is correct
37	Execution timed out	1000 ms	5084 KB	Execution timed out
38	Halted	0 ms	0 KB	-

답안 #38249

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 15.0 / 15.0

Subtask #4 0 / 16.0

Subtask #5 0 / 21.0

Subtask #6 0 / 35.0

Subtask #1
6.0 / 6.0

Subtask #2
7.0 / 7.0

Subtask #3
15.0 / 15.0

Subtask #4
0 / 16.0

Subtask #5
0 / 21.0

Subtask #6
0 / 35.0