oj.uz

Submission #442975

# Submission time Handle Problem Language Result Execution time Memory
442975 2021-07-09T12:27:33 Z zxcvbnm Kas (COCI17_kas) C++14
0 / 100
 258 ms 99124 KB 
#include <algorithm>
#include <cstdio>
#include <cstring>

using namespace std;

const int MAXN = 505;
const int MAXS = 100010;
const int INF  = 1e9;

int n, sum, sol;
int c[MAXN], memo[MAXN][MAXS/2];

int rek(int pos, int diff) {

  if (diff > sum / 2)
    return -INF;

  int& memo_ref = memo[pos][diff];

  if (memo_ref != -1)
    return memo_ref;

  if (pos == n)
    return memo_ref = (diff != 0) * (-INF);

  return memo_ref = max(rek(pos + 1, diff),
                    max(rek(pos + 1, diff + c[pos]) + c[pos],
                        rek(pos + 1, abs(diff - c[pos])) + c[pos]));

}

int main(void) {

  memset(memo, -1, sizeof memo);

  scanf("%d", &n);
  for (int i = 0; i < n; ++i) {
    scanf("%d", &c[i]);
    sum += c[i];
  }

  sol = rek(0, 0);
  sol += sum - 2 * sol;

  printf("%d\n", sol);

  return 0;

}

Compilation message

kas.cpp: In function 'int main()':
kas.cpp:37:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |   scanf("%d", &n);
      |   ~~~~~^~~~~~~~~~
kas.cpp:39:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |     scanf("%d", &c[i]);
      |     ~~~~~^~~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 43 ms 98996 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 42 ms 98992 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 43 ms 99012 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 43 ms 99092 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 50 ms 99020 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 44 ms 98988 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 43 ms 99012 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 93 ms 99100 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 105 ms 99112 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 258 ms 99124 KB Output isn't correct
2 Halted 0 ms 0 KB -