Submission #287802

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
287802	2020-09-01 01:17:47	rama_pang	Gift (IZhO18_nicegift)	C++14	100 / 100	856 ms	124564 KiB

nicegift

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#include <bits/stdc++.h>
using namespace std;
using lint = long long;
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0), cout.tie(0);
  int N, K;
  cin >> N >> K;
  lint total = 0;
  vector<lint> A(N);
  for (int i = 0; i < N; i++) {
    cin >> A[i];
    total += A[i];
  }
  if (total % K != 0 || total / K < *max_element(begin(A), end(A))) {
    cout << -1 << "\n";
    return 0;
  }
  lint limit = total / K;
  vector<lint> sum(K);
  vector<vector<pair<lint, int>>> data(K);
  for (int i = 0; i < N; i++) {
    for (int j = 0; j < K && A[i] > 0; j++) {
      if (sum[j] + A[i] <= limit) {
 
 
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Compilation message (stderr)

In file included from /usr/include/c++/9/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:33,
                 from nicegift.cpp:1:
nicegift.cpp: In function 'int main()':
nicegift.cpp:60:21: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<long long int, std::vector<int> > >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   60 |   assert(ans.size() <= N);
      |          ~~~~~~~~~~~^~~~

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 12 / 12
• Subtask 4: 19 / 19
• Subtask 5: 51 / 51