oj.uz

Submission #754552

# Submission time Handle Problem Language Result Execution time Memory
754552 2023-06-08T03:35:44 Z Olympia Bootfall (IZhO17_bootfall) C++17
13 / 100
 1000 ms 340 KB 
#include <vector>
#include <iostream>
#include <cassert>
#include <random>
#include <cmath>
#include <map>
#include <algorithm>
#include <bitset>
#include <set>
#include <stack>
using namespace std;
vector<int> cnt; //cnt[i] is number of ways to achieve sum of i
int sum = 0;
void print () {
	for (int x: cnt) {
		cout << x << ' ';
	}
	cout << endl;
}
void add (int x) {
	//cout << "ADD " << x << endl;
	sum += x;
	for (int i = (int)cnt.size() - 1; i >= x; i--) {
		cnt[i] += cnt[i - x];
	}
}
void rem (int x) {
	//cout << "REM " << x << endl;
	sum -= x;
	for (int i = 0; i <= (int)cnt.size() - x - 1; i++) {
		cnt[i + x] -= cnt[i];
	}
}
int main () {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cnt.assign(5000, 0);
    cnt[0] = 1;
    int n;
    cin >> n;
    vector<int> v(n);
    for (int i = 0; i < n; i++) {
    	cin >> v[i];
    	add(v[i]);
    }
    vector<int> ans;
    for (int i = 1; i < 5000; i++) {
    	bool fine = true;
    	if (sum % 2 != 0 or !cnt[sum/2]) {
    		fine = false;
    	}
    	//add(i);
    	for (int j = 0; j < v.size(); j++) {
    		rem(v[j]);
    		if ((sum + i) % 2 == 1 or !cnt[(sum + i)/2]) {
    			fine = false;
    			add(v[j]);
    			break;
    		}
    		add(v[j]);
    	}
    	//rem(i);
    	if (fine) {
    		ans.push_back(i);
    	}
    }
    cout << ans.size() << endl;
    for (int i: ans) {
    	cout << i << ' ';
    }
    cout << endl;
}

Compilation message

bootfall.cpp: In function 'int main()':
bootfall.cpp:53:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |      for (int j = 0; j < v.size(); j++) {
      |                      ~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 212 KB Output is correct
2 Correct 34 ms 212 KB Output is correct
3 Correct 41 ms 324 KB Output is correct
4 Correct 23 ms 212 KB Output is correct
5 Correct 33 ms 212 KB Output is correct
6 Correct 26 ms 340 KB Output is correct
7 Correct 26 ms 324 KB Output is correct
8 Correct 34 ms 316 KB Output is correct
9 Correct 25 ms 212 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 212 KB Output is correct
2 Correct 34 ms 212 KB Output is correct
3 Correct 41 ms 324 KB Output is correct
4 Correct 23 ms 212 KB Output is correct
5 Correct 33 ms 212 KB Output is correct
6 Correct 26 ms 340 KB Output is correct
7 Correct 26 ms 324 KB Output is correct
8 Correct 34 ms 316 KB Output is correct
9 Correct 25 ms 212 KB Output is correct
10 Correct 26 ms 212 KB Output is correct
11 Correct 52 ms 212 KB Output is correct
12 Correct 26 ms 340 KB Output is correct
13 Correct 27 ms 336 KB Output is correct
14 Correct 47 ms 316 KB Output is correct
15 Correct 49 ms 316 KB Output is correct
16 Correct 55 ms 212 KB Output is correct
17 Correct 37 ms 316 KB Output is correct
18 Correct 41 ms 320 KB Output is correct
19 Correct 38 ms 320 KB Output is correct
20 Correct 33 ms 212 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 212 KB Output is correct
2 Correct 34 ms 212 KB Output is correct
3 Correct 41 ms 324 KB Output is correct
4 Correct 23 ms 212 KB Output is correct
5 Correct 33 ms 212 KB Output is correct
6 Correct 26 ms 340 KB Output is correct
7 Correct 26 ms 324 KB Output is correct
8 Correct 34 ms 316 KB Output is correct
9 Correct 25 ms 212 KB Output is correct
10 Correct 26 ms 212 KB Output is correct
11 Correct 52 ms 212 KB Output is correct
12 Correct 26 ms 340 KB Output is correct
13 Correct 27 ms 336 KB Output is correct
14 Correct 47 ms 316 KB Output is correct
15 Correct 49 ms 316 KB Output is correct
16 Correct 55 ms 212 KB Output is correct
17 Correct 37 ms 316 KB Output is correct
18 Correct 41 ms 320 KB Output is correct
19 Correct 38 ms 320 KB Output is correct
20 Correct 33 ms 212 KB Output is correct
21 Correct 514 ms 336 KB Output is correct
22 Correct 648 ms 332 KB Output is correct
23 Correct 325 ms 332 KB Output is correct
24 Execution timed out 1080 ms 340 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 212 KB Output is correct
2 Correct 34 ms 212 KB Output is correct
3 Correct 41 ms 324 KB Output is correct
4 Correct 23 ms 212 KB Output is correct
5 Correct 33 ms 212 KB Output is correct
6 Correct 26 ms 340 KB Output is correct
7 Correct 26 ms 324 KB Output is correct
8 Correct 34 ms 316 KB Output is correct
9 Correct 25 ms 212 KB Output is correct
10 Correct 26 ms 212 KB Output is correct
11 Correct 52 ms 212 KB Output is correct
12 Correct 26 ms 340 KB Output is correct
13 Correct 27 ms 336 KB Output is correct
14 Correct 47 ms 316 KB Output is correct
15 Correct 49 ms 316 KB Output is correct
16 Correct 55 ms 212 KB Output is correct
17 Correct 37 ms 316 KB Output is correct
18 Correct 41 ms 320 KB Output is correct
19 Correct 38 ms 320 KB Output is correct
20 Correct 33 ms 212 KB Output is correct
21 Correct 514 ms 336 KB Output is correct
22 Correct 648 ms 332 KB Output is correct
23 Correct 325 ms 332 KB Output is correct
24 Execution timed out 1080 ms 340 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 212 KB Output is correct
2 Correct 34 ms 212 KB Output is correct
3 Correct 41 ms 324 KB Output is correct
4 Correct 23 ms 212 KB Output is correct
5 Correct 33 ms 212 KB Output is correct
6 Correct 26 ms 340 KB Output is correct
7 Correct 26 ms 324 KB Output is correct
8 Correct 34 ms 316 KB Output is correct
9 Correct 25 ms 212 KB Output is correct
10 Correct 26 ms 212 KB Output is correct
11 Correct 52 ms 212 KB Output is correct
12 Correct 26 ms 340 KB Output is correct
13 Correct 27 ms 336 KB Output is correct
14 Correct 47 ms 316 KB Output is correct
15 Correct 49 ms 316 KB Output is correct
16 Correct 55 ms 212 KB Output is correct
17 Correct 37 ms 316 KB Output is correct
18 Correct 41 ms 320 KB Output is correct
19 Correct 38 ms 320 KB Output is correct
20 Correct 33 ms 212 KB Output is correct
21 Correct 514 ms 336 KB Output is correct
22 Correct 648 ms 332 KB Output is correct
23 Correct 325 ms 332 KB Output is correct
24 Execution timed out 1080 ms 340 KB Time limit exceeded
25 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 212 KB Output is correct
2 Correct 34 ms 212 KB Output is correct
3 Correct 41 ms 324 KB Output is correct
4 Correct 23 ms 212 KB Output is correct
5 Correct 33 ms 212 KB Output is correct
6 Correct 26 ms 340 KB Output is correct
7 Correct 26 ms 324 KB Output is correct
8 Correct 34 ms 316 KB Output is correct
9 Correct 25 ms 212 KB Output is correct
10 Correct 26 ms 212 KB Output is correct
11 Correct 52 ms 212 KB Output is correct
12 Correct 26 ms 340 KB Output is correct
13 Correct 27 ms 336 KB Output is correct
14 Correct 47 ms 316 KB Output is correct
15 Correct 49 ms 316 KB Output is correct
16 Correct 55 ms 212 KB Output is correct
17 Correct 37 ms 316 KB Output is correct
18 Correct 41 ms 320 KB Output is correct
19 Correct 38 ms 320 KB Output is correct
20 Correct 33 ms 212 KB Output is correct
21 Correct 514 ms 336 KB Output is correct
22 Correct 648 ms 332 KB Output is correct
23 Correct 325 ms 332 KB Output is correct
24 Execution timed out 1080 ms 340 KB Time limit exceeded
25 Halted 0 ms 0 KB -