oj.uz

Submission #1099992

# Submission time Handle Problem Language Result Execution time Memory
1099992 2024-10-12T10:39:39 Z KasymK Bootfall (IZhO17_bootfall) C++17
13 / 100
 1000 ms 444 KB 
#include "bits/stdc++.h"
using namespace std;
#define ff first
#define ss second
#define all(v) v.begin(), v.end()
#define ll long long
#define pb push_back
#define pii pair<int, int>
#define pli pair<ll, int>
#define pll pair<ll, ll>
#define tr(i, c) for(auto i = c.begin(); i != c.end(); ++i)
#define wr puts("----------------")
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
const int N = 505;
int a[N];

int main(){
    int n;
    scanf("%d", &n);
    for(int i = 1; i <= n; ++i)
        scanf("%d", a+i);
    // I will solve for fixed Tima's strength, it can be up to O(n^2)
    int sm = accumulate(a+1, a+n+1, 0);
    vector<int> A;
    for(int x = 0; x <= sm; ++x){
        // x => Tima's fixed strength
        // Tima's strength is given, we just need to say whether game is friendly or not.
        // To say that, we need to know every round is draw or not.
        a[n+1] = x;
        bool done = 1;
        // wr;
        for(int ad = 1; ad <= n+1 and done; ++ad){
            // ad's person is recorder in this round
            // He will not play in this round.
            vector<int> v;
            for(int i = 1; i <= n+1; ++i)
                if(i != ad)
                    v.pb(a[i]);
            // for(int i : v)
            //     printf("%d ", i);
            // puts("");
            int wow = accumulate(all(v), 0);
            vector<bool> dp(wow+1, false);
            dp[0] = 1;
            for(int &to : v)
                for(int i = wow; i >= to; --i)
                    if(dp[i-to])
                        dp[i] = 1;
            done &= (wow%2 == 0 and dp[wow/2]);
        }
        if(done)
            A.pb(x);
    }
    // wr;
    printf("%d\n", (int)A.size());
    for(int i : A)
        printf("%d ", i);
    puts("");
    return 0;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~
bootfall.cpp:22:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         scanf("%d", a+i);
      |         ~~~~~^~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 3 ms 444 KB Output is correct
5 Correct 46 ms 440 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 96 ms 348 KB Output is correct
9 Correct 6 ms 344 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 3 ms 444 KB Output is correct
5 Correct 46 ms 440 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 96 ms 348 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 28 ms 344 KB Output is correct
11 Correct 51 ms 344 KB Output is correct
12 Correct 9 ms 344 KB Output is correct
13 Correct 6 ms 348 KB Output is correct
14 Correct 58 ms 348 KB Output is correct
15 Correct 33 ms 344 KB Output is correct
16 Correct 49 ms 412 KB Output is correct
17 Correct 10 ms 348 KB Output is correct
18 Correct 30 ms 348 KB Output is correct
19 Correct 22 ms 348 KB Output is correct
20 Correct 28 ms 440 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 3 ms 444 KB Output is correct
5 Correct 46 ms 440 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 96 ms 348 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 28 ms 344 KB Output is correct
11 Correct 51 ms 344 KB Output is correct
12 Correct 9 ms 344 KB Output is correct
13 Correct 6 ms 348 KB Output is correct
14 Correct 58 ms 348 KB Output is correct
15 Correct 33 ms 344 KB Output is correct
16 Correct 49 ms 412 KB Output is correct
17 Correct 10 ms 348 KB Output is correct
18 Correct 30 ms 348 KB Output is correct
19 Correct 22 ms 348 KB Output is correct
20 Correct 28 ms 440 KB Output is correct
21 Execution timed out 1062 ms 412 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 3 ms 444 KB Output is correct
5 Correct 46 ms 440 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 96 ms 348 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 28 ms 344 KB Output is correct
11 Correct 51 ms 344 KB Output is correct
12 Correct 9 ms 344 KB Output is correct
13 Correct 6 ms 348 KB Output is correct
14 Correct 58 ms 348 KB Output is correct
15 Correct 33 ms 344 KB Output is correct
16 Correct 49 ms 412 KB Output is correct
17 Correct 10 ms 348 KB Output is correct
18 Correct 30 ms 348 KB Output is correct
19 Correct 22 ms 348 KB Output is correct
20 Correct 28 ms 440 KB Output is correct
21 Execution timed out 1062 ms 412 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 3 ms 444 KB Output is correct
5 Correct 46 ms 440 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 96 ms 348 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 28 ms 344 KB Output is correct
11 Correct 51 ms 344 KB Output is correct
12 Correct 9 ms 344 KB Output is correct
13 Correct 6 ms 348 KB Output is correct
14 Correct 58 ms 348 KB Output is correct
15 Correct 33 ms 344 KB Output is correct
16 Correct 49 ms 412 KB Output is correct
17 Correct 10 ms 348 KB Output is correct
18 Correct 30 ms 348 KB Output is correct
19 Correct 22 ms 348 KB Output is correct
20 Correct 28 ms 440 KB Output is correct
21 Execution timed out 1062 ms 412 KB Time limit exceeded
22 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 3 ms 444 KB Output is correct
5 Correct 46 ms 440 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 96 ms 348 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 28 ms 344 KB Output is correct
11 Correct 51 ms 344 KB Output is correct
12 Correct 9 ms 344 KB Output is correct
13 Correct 6 ms 348 KB Output is correct
14 Correct 58 ms 348 KB Output is correct
15 Correct 33 ms 344 KB Output is correct
16 Correct 49 ms 412 KB Output is correct
17 Correct 10 ms 348 KB Output is correct
18 Correct 30 ms 348 KB Output is correct
19 Correct 22 ms 348 KB Output is correct
20 Correct 28 ms 440 KB Output is correct
21 Execution timed out 1062 ms 412 KB Time limit exceeded
22 Halted 0 ms 0 KB -