답안 #36792 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
36792	2017-12-14T17:20:44 Z	top34051	Bootfall (IZhO17_bootfall)	C++14	13 / 100	53 ms	5152 KB

bootfall

#include<bits/stdc++.h>
using namespace std;
const int maxn = 305;
const int mx = 160000;
int n;
int a[maxn], cnt[mx+505];
long long 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];
//        for(int x=0;x<=mx;x++) printf("%lld ",dp[x]);
//        printf("\n");
    }
    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];
        }
//        printf("%d : ",i);
        for(int x=0;x<=mx;x++) {
//            printf("%d ",temp[x]);
            if(temp[x]>0) cnt[max(0,sum-a[i]-2*x)]++;
        }
//        printf("\n");
    }
    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:35:29: 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]);
                                            ^

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5152 KB	Output is correct
2	Correct	6 ms	5152 KB	Output is correct
3	Correct	0 ms	5152 KB	Output is correct
4	Correct	3 ms	5152 KB	Output is correct
5	Correct	3 ms	5152 KB	Output is correct
6	Correct	6 ms	5152 KB	Output is correct
7	Correct	6 ms	5152 KB	Output is correct
8	Correct	9 ms	5152 KB	Output is correct
9	Correct	9 ms	5152 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5152 KB	Output is correct
2	Correct	6 ms	5152 KB	Output is correct
3	Correct	0 ms	5152 KB	Output is correct
4	Correct	3 ms	5152 KB	Output is correct
5	Correct	3 ms	5152 KB	Output is correct
6	Correct	6 ms	5152 KB	Output is correct
7	Correct	6 ms	5152 KB	Output is correct
8	Correct	9 ms	5152 KB	Output is correct
9	Correct	9 ms	5152 KB	Output is correct
10	Correct	19 ms	5152 KB	Output is correct
11	Correct	33 ms	5152 KB	Output is correct
12	Correct	19 ms	5152 KB	Output is correct
13	Correct	13 ms	5152 KB	Output is correct
14	Correct	23 ms	5152 KB	Output is correct
15	Correct	19 ms	5152 KB	Output is correct
16	Correct	23 ms	5152 KB	Output is correct
17	Correct	13 ms	5152 KB	Output is correct
18	Correct	16 ms	5152 KB	Output is correct
19	Correct	13 ms	5152 KB	Output is correct
20	Correct	16 ms	5152 KB	Output is correct

Subtask #3
0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5152 KB	Output is correct
2	Correct	6 ms	5152 KB	Output is correct
3	Correct	0 ms	5152 KB	Output is correct
4	Correct	3 ms	5152 KB	Output is correct
5	Correct	3 ms	5152 KB	Output is correct
6	Correct	6 ms	5152 KB	Output is correct
7	Correct	6 ms	5152 KB	Output is correct
8	Correct	9 ms	5152 KB	Output is correct
9	Correct	9 ms	5152 KB	Output is correct
10	Correct	19 ms	5152 KB	Output is correct
11	Correct	33 ms	5152 KB	Output is correct
12	Correct	19 ms	5152 KB	Output is correct
13	Correct	13 ms	5152 KB	Output is correct
14	Correct	23 ms	5152 KB	Output is correct
15	Correct	19 ms	5152 KB	Output is correct
16	Correct	23 ms	5152 KB	Output is correct
17	Correct	13 ms	5152 KB	Output is correct
18	Correct	16 ms	5152 KB	Output is correct
19	Correct	13 ms	5152 KB	Output is correct
20	Correct	16 ms	5152 KB	Output is correct
21	Correct	43 ms	5152 KB	Output is correct
22	Incorrect	53 ms	5152 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #4
0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5152 KB	Output is correct
2	Correct	6 ms	5152 KB	Output is correct
3	Correct	0 ms	5152 KB	Output is correct
4	Correct	3 ms	5152 KB	Output is correct
5	Correct	3 ms	5152 KB	Output is correct
6	Correct	6 ms	5152 KB	Output is correct
7	Correct	6 ms	5152 KB	Output is correct
8	Correct	9 ms	5152 KB	Output is correct
9	Correct	9 ms	5152 KB	Output is correct
10	Correct	19 ms	5152 KB	Output is correct
11	Correct	33 ms	5152 KB	Output is correct
12	Correct	19 ms	5152 KB	Output is correct
13	Correct	13 ms	5152 KB	Output is correct
14	Correct	23 ms	5152 KB	Output is correct
15	Correct	19 ms	5152 KB	Output is correct
16	Correct	23 ms	5152 KB	Output is correct
17	Correct	13 ms	5152 KB	Output is correct
18	Correct	16 ms	5152 KB	Output is correct
19	Correct	13 ms	5152 KB	Output is correct
20	Correct	16 ms	5152 KB	Output is correct
21	Correct	43 ms	5152 KB	Output is correct
22	Incorrect	53 ms	5152 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5152 KB	Output is correct
2	Correct	6 ms	5152 KB	Output is correct
3	Correct	0 ms	5152 KB	Output is correct
4	Correct	3 ms	5152 KB	Output is correct
5	Correct	3 ms	5152 KB	Output is correct
6	Correct	6 ms	5152 KB	Output is correct
7	Correct	6 ms	5152 KB	Output is correct
8	Correct	9 ms	5152 KB	Output is correct
9	Correct	9 ms	5152 KB	Output is correct
10	Correct	19 ms	5152 KB	Output is correct
11	Correct	33 ms	5152 KB	Output is correct
12	Correct	19 ms	5152 KB	Output is correct
13	Correct	13 ms	5152 KB	Output is correct
14	Correct	23 ms	5152 KB	Output is correct
15	Correct	19 ms	5152 KB	Output is correct
16	Correct	23 ms	5152 KB	Output is correct
17	Correct	13 ms	5152 KB	Output is correct
18	Correct	16 ms	5152 KB	Output is correct
19	Correct	13 ms	5152 KB	Output is correct
20	Correct	16 ms	5152 KB	Output is correct
21	Correct	43 ms	5152 KB	Output is correct
22	Incorrect	53 ms	5152 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

Subtask #6
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	5152 KB	Output is correct
2	Correct	6 ms	5152 KB	Output is correct
3	Correct	0 ms	5152 KB	Output is correct
4	Correct	3 ms	5152 KB	Output is correct
5	Correct	3 ms	5152 KB	Output is correct
6	Correct	6 ms	5152 KB	Output is correct
7	Correct	6 ms	5152 KB	Output is correct
8	Correct	9 ms	5152 KB	Output is correct
9	Correct	9 ms	5152 KB	Output is correct
10	Correct	19 ms	5152 KB	Output is correct
11	Correct	33 ms	5152 KB	Output is correct
12	Correct	19 ms	5152 KB	Output is correct
13	Correct	13 ms	5152 KB	Output is correct
14	Correct	23 ms	5152 KB	Output is correct
15	Correct	19 ms	5152 KB	Output is correct
16	Correct	23 ms	5152 KB	Output is correct
17	Correct	13 ms	5152 KB	Output is correct
18	Correct	16 ms	5152 KB	Output is correct
19	Correct	13 ms	5152 KB	Output is correct
20	Correct	16 ms	5152 KB	Output is correct
21	Correct	43 ms	5152 KB	Output is correct
22	Incorrect	53 ms	5152 KB	Output isn't correct
23	Halted	0 ms	0 KB	-

답안 #36792

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 7.0 / 7.0

Subtask #3 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
0 / 15.0

Subtask #4
0 / 16.0

Subtask #5
0 / 21.0

Subtask #6
0 / 35.0