oj.uz

Submission #221861

# Submission time Handle Problem Language Result Execution time Memory
221861 2020-04-11T10:41:24 Z patrikpavic2 Candies (JOI18_candies) C++17
8 / 100
 711 ms 119600 KB 
#include <cstdio>
#include <vector>
#include <algorithm>

#define PB push_back
#define X first
#define Y second

using namespace std;

typedef long long ll;
typedef pair < int, int > pii;
typedef vector < ll > vi;

const int N = 2e5 + 500;

vi v[N][4];
int cnt = 0, n, A[N];

vi mrg(vi &A, vi &B){
	if(!A.size()) return B;
	if(!B.size()) return A;
	vi C = {A[0], B[0]};
	for(int i = 1;i < (int)A.size();i++)
		C.PB(A[i] - A[i - 1]);
	for(int i = 1;i < (int)B.size();i++)
		C.PB(B[i] - B[i - 1]);
	sort(C.rbegin(), C.rend());
	for(int i = 1;i < (int)C.size();i++)
		C[i] += C[i - 1];
	return C;
}

vi mks(vi A, vi B){
	if(A.size() < B.size()) swap(A, B);
	vi C = A;
	for(int i = 0;i < (int)B.size();i++)
		C[i] = max(C[i], B[i]);
	return C;
}

int solve(int l,int r){
	if(l == r){
		v[cnt][3].PB(A[l]);
		return cnt++;
	}
	int L = solve(l, (l + r) / 2);
	int R = solve((l + r) / 2 + 1, r);
	for(int i = 0;i < 4;i++){
		for(int j = 0;j < 4;j++){
			if((i&2) && (j&1)) continue;
			v[cnt][(i&1) + (j&2)] = mks(v[cnt][(i&1) + (j&2)], mrg(v[L][i], v[R][j]));
		}
	}
	return cnt++;	
}


int main(){
	scanf("%d", &n);
	for(int i = 0;i < n;i++)
		scanf("%d", A + i); 
	int kraj = solve(0, n - 1);
	vi fin = mks(mks(v[kraj][0], v[kraj][1]), mks(v[kraj][2], v[kraj][3]));
	for(ll x : fin) printf("%lld\n", x);
}

Compilation message

candies.cpp: In function 'int main()':
candies.cpp:60:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
candies.cpp:62:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", A + i); 
   ~~~~~^~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 19712 KB Output is correct
2 Correct 24 ms 19840 KB Output is correct
3 Correct 22 ms 19840 KB Output is correct
4 Correct 22 ms 19840 KB Output is correct
5 Correct 24 ms 19840 KB Output is correct
6 Correct 22 ms 19840 KB Output is correct
7 Correct 24 ms 19840 KB Output is correct
8 Correct 23 ms 19840 KB Output is correct
9 Correct 23 ms 19840 KB Output is correct
10 Correct 24 ms 19840 KB Output is correct
11 Correct 23 ms 19840 KB Output is correct
12 Correct 23 ms 19840 KB Output is correct
13 Correct 22 ms 19840 KB Output is correct
14 Correct 22 ms 19840 KB Output is correct
15 Correct 29 ms 19840 KB Output is correct
16 Correct 24 ms 19840 KB Output is correct
17 Correct 22 ms 19840 KB Output is correct
18 Correct 25 ms 19840 KB Output is correct
19 Correct 24 ms 19840 KB Output is correct
20 Correct 23 ms 19888 KB Output is correct

Subtask #2
0 / 92.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 19712 KB Output is correct
2 Correct 24 ms 19840 KB Output is correct
3 Correct 22 ms 19840 KB Output is correct
4 Correct 22 ms 19840 KB Output is correct
5 Correct 24 ms 19840 KB Output is correct
6 Correct 22 ms 19840 KB Output is correct
7 Correct 24 ms 19840 KB Output is correct
8 Correct 23 ms 19840 KB Output is correct
9 Correct 23 ms 19840 KB Output is correct
10 Correct 24 ms 19840 KB Output is correct
11 Correct 23 ms 19840 KB Output is correct
12 Correct 23 ms 19840 KB Output is correct
13 Correct 22 ms 19840 KB Output is correct
14 Correct 22 ms 19840 KB Output is correct
15 Correct 29 ms 19840 KB Output is correct
16 Correct 24 ms 19840 KB Output is correct
17 Correct 22 ms 19840 KB Output is correct
18 Correct 25 ms 19840 KB Output is correct
19 Correct 24 ms 19840 KB Output is correct
20 Correct 23 ms 19888 KB Output is correct
21 Runtime error 711 ms 119600 KB Execution killed with signal 11 (could be triggered by violating memory limits)
22 Halted 0 ms 0 KB -