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Submission #548729

# Submission time Handle Problem Language Result Execution time Memory
548729 2022-04-14T10:55:12 Z krit3379 Bootfall (IZhO17_bootfall) C++17
13 / 100
 1000 ms 16076 KB 
#include<bits/stdc++.h>
using namespace std;
#define N 250005

int a[505],odd,even,ma,sum,s;
bool dp[505][N],flag;
vector<int> ans;

int main(){
    int n,i,j,k;
    scanf("%d",&n);
    for(i=1;i<=n;i++)scanf("%d",&a[i]),sum+=a[i],(a[i]%2)?odd++:even++,ma=max(ma,a[i]),dp[i][0]=true;
    dp[0][0]=true;
    for(i=1;i<=n;i++){
        for(j=N-1;j>=a[i];j--){
            for(k=1;k<=n;k++){
                if(i==k)continue;
                dp[k][j]|=dp[k][j-a[i]];
            }
            dp[0][j]|=dp[0][j-a[i]];
        }
    }
    if((odd&&even)||(odd&&n%2)||!dp[0][sum/2]){printf("0");return 0;}
    for(i=odd?1:2;i<=sum-ma;i+=2){
        flag=true;
        for(j=1;j<=n&&flag;j++){
            s=(sum-a[j]+i)/2;
            if(s-i<0||!dp[j][s-i])flag=false;
        }
        if(flag)ans.push_back(i);
    }
    printf("%d\n",ans.size());
    for(auto x:ans)printf("%d ",x);
    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:32:14: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=]
   32 |     printf("%d\n",ans.size());
      |             ~^    ~~~~~~~~~~
      |              |            |
      |              int          std::vector<int>::size_type {aka long unsigned int}
      |             %ld
bootfall.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
bootfall.cpp:12:27: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     for(i=1;i<=n;i++)scanf("%d",&a[i]),sum+=a[i],(a[i]%2)?odd++:even++,ma=max(ma,a[i]),dp[i][0]=true;
      |                      ~~~~~^~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1492 KB Output is correct
2 Correct 8 ms 2004 KB Output is correct
3 Correct 4 ms 1236 KB Output is correct
4 Correct 4 ms 1460 KB Output is correct
5 Correct 29 ms 3456 KB Output is correct
6 Correct 13 ms 2388 KB Output is correct
7 Correct 11 ms 1976 KB Output is correct
8 Correct 34 ms 3412 KB Output is correct
9 Correct 26 ms 2968 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1492 KB Output is correct
2 Correct 8 ms 2004 KB Output is correct
3 Correct 4 ms 1236 KB Output is correct
4 Correct 4 ms 1460 KB Output is correct
5 Correct 29 ms 3456 KB Output is correct
6 Correct 13 ms 2388 KB Output is correct
7 Correct 11 ms 1976 KB Output is correct
8 Correct 34 ms 3412 KB Output is correct
9 Correct 26 ms 2968 KB Output is correct
10 Correct 202 ms 7860 KB Output is correct
11 Correct 200 ms 7880 KB Output is correct
12 Correct 215 ms 7880 KB Output is correct
13 Correct 143 ms 6844 KB Output is correct
14 Correct 151 ms 7392 KB Output is correct
15 Correct 160 ms 7304 KB Output is correct
16 Correct 215 ms 7892 KB Output is correct
17 Correct 68 ms 4944 KB Output is correct
18 Correct 117 ms 6404 KB Output is correct
19 Correct 139 ms 6868 KB Output is correct
20 Correct 213 ms 7880 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1492 KB Output is correct
2 Correct 8 ms 2004 KB Output is correct
3 Correct 4 ms 1236 KB Output is correct
4 Correct 4 ms 1460 KB Output is correct
5 Correct 29 ms 3456 KB Output is correct
6 Correct 13 ms 2388 KB Output is correct
7 Correct 11 ms 1976 KB Output is correct
8 Correct 34 ms 3412 KB Output is correct
9 Correct 26 ms 2968 KB Output is correct
10 Correct 202 ms 7860 KB Output is correct
11 Correct 200 ms 7880 KB Output is correct
12 Correct 215 ms 7880 KB Output is correct
13 Correct 143 ms 6844 KB Output is correct
14 Correct 151 ms 7392 KB Output is correct
15 Correct 160 ms 7304 KB Output is correct
16 Correct 215 ms 7892 KB Output is correct
17 Correct 68 ms 4944 KB Output is correct
18 Correct 117 ms 6404 KB Output is correct
19 Correct 139 ms 6868 KB Output is correct
20 Correct 213 ms 7880 KB Output is correct
21 Execution timed out 1087 ms 16076 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1492 KB Output is correct
2 Correct 8 ms 2004 KB Output is correct
3 Correct 4 ms 1236 KB Output is correct
4 Correct 4 ms 1460 KB Output is correct
5 Correct 29 ms 3456 KB Output is correct
6 Correct 13 ms 2388 KB Output is correct
7 Correct 11 ms 1976 KB Output is correct
8 Correct 34 ms 3412 KB Output is correct
9 Correct 26 ms 2968 KB Output is correct
10 Correct 202 ms 7860 KB Output is correct
11 Correct 200 ms 7880 KB Output is correct
12 Correct 215 ms 7880 KB Output is correct
13 Correct 143 ms 6844 KB Output is correct
14 Correct 151 ms 7392 KB Output is correct
15 Correct 160 ms 7304 KB Output is correct
16 Correct 215 ms 7892 KB Output is correct
17 Correct 68 ms 4944 KB Output is correct
18 Correct 117 ms 6404 KB Output is correct
19 Correct 139 ms 6868 KB Output is correct
20 Correct 213 ms 7880 KB Output is correct
21 Execution timed out 1087 ms 16076 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1492 KB Output is correct
2 Correct 8 ms 2004 KB Output is correct
3 Correct 4 ms 1236 KB Output is correct
4 Correct 4 ms 1460 KB Output is correct
5 Correct 29 ms 3456 KB Output is correct
6 Correct 13 ms 2388 KB Output is correct
7 Correct 11 ms 1976 KB Output is correct
8 Correct 34 ms 3412 KB Output is correct
9 Correct 26 ms 2968 KB Output is correct
10 Correct 202 ms 7860 KB Output is correct
11 Correct 200 ms 7880 KB Output is correct
12 Correct 215 ms 7880 KB Output is correct
13 Correct 143 ms 6844 KB Output is correct
14 Correct 151 ms 7392 KB Output is correct
15 Correct 160 ms 7304 KB Output is correct
16 Correct 215 ms 7892 KB Output is correct
17 Correct 68 ms 4944 KB Output is correct
18 Correct 117 ms 6404 KB Output is correct
19 Correct 139 ms 6868 KB Output is correct
20 Correct 213 ms 7880 KB Output is correct
21 Execution timed out 1087 ms 16076 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 1492 KB Output is correct
2 Correct 8 ms 2004 KB Output is correct
3 Correct 4 ms 1236 KB Output is correct
4 Correct 4 ms 1460 KB Output is correct
5 Correct 29 ms 3456 KB Output is correct
6 Correct 13 ms 2388 KB Output is correct
7 Correct 11 ms 1976 KB Output is correct
8 Correct 34 ms 3412 KB Output is correct
9 Correct 26 ms 2968 KB Output is correct
10 Correct 202 ms 7860 KB Output is correct
11 Correct 200 ms 7880 KB Output is correct
12 Correct 215 ms 7880 KB Output is correct
13 Correct 143 ms 6844 KB Output is correct
14 Correct 151 ms 7392 KB Output is correct
15 Correct 160 ms 7304 KB Output is correct
16 Correct 215 ms 7892 KB Output is correct
17 Correct 68 ms 4944 KB Output is correct
18 Correct 117 ms 6404 KB Output is correct
19 Correct 139 ms 6868 KB Output is correct
20 Correct 213 ms 7880 KB Output is correct
21 Execution timed out 1087 ms 16076 KB Time limit exceeded
22 Halted 0 ms 0 KB -