oj.uz

Submission #76378

# Submission time Handle Problem Language Result Execution time Memory
76378 2018-09-13T08:43:36 Z MiricaMatei Secret (JOI14_secret) C++14
0 / 100
 619 ms 8636 KB 
#include "secret.h"
#include <bits/stdc++.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 >= l; --i) {
    assert(v[i][i] != -1 && v[i + 1][med] != -1);
    v[i][med] = Secret(v[i][i], v[i + 1][med]);
  }
  for (int i = med + 2; i <= r; ++i) {
    assert(v[i][i] != -1 && v[med + 1][i - 1] != -1);
    v[med + 1][i] = 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] = A[i];
  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]);
}

Compilation message

secret.cpp: In function 'int Query(int, int)':
secret.cpp:39:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 171 ms 4452 KB Wrong Answer: Query(222, 254) - expected : 34031541, actual : 809782271.
2 Incorrect 169 ms 4468 KB Wrong Answer: Query(60, 375) - expected : 669221184, actual : 68749376.
3 Incorrect 187 ms 4564 KB Wrong Answer: Query(211, 401) - expected : 674373968, actual : 136349820.
4 Incorrect 615 ms 8416 KB Wrong Answer: Query(90, 497) - expected : 397934825, actual : 650789536.
5 Incorrect 604 ms 8624 KB Wrong Answer: Query(587, 915) - expected : 752404486, actual : 377506838.
6 Incorrect 612 ms 8624 KB Wrong Answer: Query(738, 741) - expected : 983692994, actual : 61461050.
7 Incorrect 619 ms 8624 KB Wrong Answer: Query(84, 976) - expected : 742463504, actual : 687550570.
8 Incorrect 617 ms 8636 KB Wrong Answer: Query(58, 987) - expected : 20022464, actual : 145923264.
9 Incorrect 613 ms 8636 KB Wrong Answer: Query(33, 967) - expected : 676869696, actual : 18757135.
10 Incorrect 616 ms 8636 KB Wrong Answer: Query(116, 961) - expected : 68487362, actual : 70590726.