Submission #900248

#	Time	Username	Problem	Language	Result	Execution time	Memory
900248		nguyentunglam	Packing Biscuits (IOI20_biscuits)	C++17	0 / 100	1079 ms	424 KiB

biscuits

#include<bits/stdc++.h>
#define fi first
#define se second
#define endl "\n"
#define ii pair<int, int>
using namespace std;

const int N = 110;

long long a[N], b[N];

long long count_tastiness(long long x, vector<long long> A) {
  for(int i = 0; i < A.size(); i++) b[i] = a[i] = A[i];
  long long ret = 1;
  for(long long y = 1; y <= 10; y++) {
    bool ok = 1;
    for(int j = 0; j <= 60; j++) a[j] = b[j];
    for(int loop = 1; loop <= x; loop++) {
      long long cur = 0;
      for(int j = 60; j >= 0; j--) {
        cur *= 2;
        if (cur > 1e5) {
          ok = 0;
          break;
        }
        if (y >> j & 1) cur++;
        long long cnt = min(cur, a[j]);
        cur -= cnt;
        a[j] -= cnt;
      }
      ok &= cur == 0;
    }
//    if (ok) cout << y << endl;
    ret += ok;
  }
  return ret;
}

#ifdef ngu
int main() {

  freopen ("task.inp", "r", stdin);
  freopen ("task.out", "w", stdout);

  int q; cin >> q;

  while (q--) {
    long long k, x;
    cin >> k >> x;
    vector<long long> a(k);
    for(int i = 0; i < k; i++) cin >> a[i];
    cout << count_tastiness(x, a) << endl;
  }
}
#endif // ngu

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:13:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |   for(int i = 0; i < A.size(); i++) b[i] = a[i] = A[i];
      |                  ~~^~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23