Submission #76372

# Submission time Handle Problem Language Result Execution time Memory
76372 2018-09-13T08:35:10 Z MiricaMatei Secret (JOI14_secret) C++14
0 / 100
840 ms 9452 KB
#include "secret.h"

int v[1005][1005];

void solve(int l, int r) {
  if (l >= r)
    return ;
  int med = (l + r) / 2;
  solve(l, med);
  solve(med + 1, r);
  for (int i = med - 1; i >= 1; --i)
    v[i][med] = Secret(v[i][i], v[i + 1][med]);
  for (int i = med + 2; i <= r; ++i)
    v[i][med] = Secret(v[i][i], v[med + 1][i - 1]);
}

void Init(int N, int A[]) {
  for (int i = 0; i < N; ++i)
    for (int j = 0; j < N; ++j)
      v[i][j] = -1;
  for (int i = 0; i < N; ++i)
    v[i][i] = 1;
  solve(0, N - 1);
}

int Query(int L, int R) {
  if (L == R)
    return v[L][L];
  if (R == L + 1)
    return Secret(v[L][L], v[R][R]);
  for (int k = L; k < R; ++k)
    if (v[L][k] != -1 && v[k + 1][R] != -1)
      return Secret(v[L][k], v[k + 1][R]);
  return 0;
}
# Verdict Execution time Memory Grader output
1 Incorrect 221 ms 4600 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 536870913.
2 Incorrect 218 ms 4684 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 0.
3 Incorrect 217 ms 4824 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 1.
4 Incorrect 798 ms 8804 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 536870912.
5 Incorrect 797 ms 9036 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 536870913.
6 Incorrect 801 ms 9060 KB Wrong Answer: Query(915, 915) - expected : 282904741, actual : 1.
7 Incorrect 792 ms 9084 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 1.
8 Incorrect 801 ms 9228 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 536870913.
9 Incorrect 832 ms 9420 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 262145.
10 Incorrect 840 ms 9452 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 808534657.