oj.uz

Submission #36792

# Submission time Handle Problem Language Result Execution time Memory
36792 2017-12-14T17:20:44 Z top34051 Bootfall (IZhO17_bootfall) C++14
13 / 100
 53 ms 5152 KB 
#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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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 -