oj.uz

Submission #982969

# Submission time Handle Problem Language Result Execution time Memory
982969 2024-05-15T06:14:44 Z NeroZein Fish 3 (JOI24_fish3) C++17
9 / 100
 2000 ms 5904 KB 
#include "bits/stdc++.h"
using namespace std;

#ifdef Nero
#include "Deb.h"
#else
#define debug(...)
#endif

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n;
  long long d;
  cin >> n >> d;
  vector<long long> c(n);
  for (int i = 0; i < n; ++i) {
    cin >> c[i];
  }
  int q;
  cin >> q;
  while (q--) {
    int l, r;
    cin >> l >> r;
    --l, --r;
    bool ok = true;
    long long md = 0;
    vector<long long> b = c; 
    for (int i = l; i <= r; ++i) {
      b[i] -= md;
      if (b[i] < 0) {
        ok = false;
        break; 
      }
      long long tmp = b[i] % d;
      b[i] -= tmp;
      md += tmp; 
    }
    if (!ok) {
      cout << -1 << '\n';
      continue;
    }
    long long mn = LLONG_MAX;
    for (int i = r; i >= l; --i) {
      mn = min(mn, b[i]);
      b[i] -= mn;
    }
    long long ans = 0; 
    for (int i = l; i <= r; ++i) {
      ans += b[i] / d; 
    }
    cout << ans << '\n';
  }
  return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 64 ms 580 KB Output is correct
5 Correct 4 ms 348 KB Output is correct
6 Correct 44 ms 344 KB Output is correct
7 Correct 3 ms 512 KB Output is correct
8 Correct 3 ms 540 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 50 ms 564 KB Output is correct
11 Correct 3 ms 348 KB Output is correct
12 Correct 48 ms 548 KB Output is correct
13 Correct 34 ms 348 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2101 ms 5904 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2041 ms 4044 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2087 ms 5036 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 64 ms 580 KB Output is correct
5 Correct 4 ms 348 KB Output is correct
6 Correct 44 ms 344 KB Output is correct
7 Correct 3 ms 512 KB Output is correct
8 Correct 3 ms 540 KB Output is correct
9 Correct 3 ms 344 KB Output is correct
10 Correct 50 ms 564 KB Output is correct
11 Correct 3 ms 348 KB Output is correct
12 Correct 48 ms 548 KB Output is correct
13 Correct 34 ms 348 KB Output is correct
14 Execution timed out 2101 ms 5904 KB Time limit exceeded
15 Halted 0 ms 0 KB -