Submission #920676

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
920676	2024-02-02 22:12:36	OAleksa	Council (JOI23_council)	C++14	100 / 100	3616 ms	39884 KiB

council

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#include <bits/stdc++.h>
using namespace std;
//define int long long
#define f first
#define s second
const int N = 3e5 + 69;
const int M = 21;
int a[N], cnt[M], n, m;
int t[M], k, gas, pr, suf, bt, b, ans, c, s, x;
vector<pair<int, int>> g[1030];
pair<pair<int, int>, pair<int, int>> bst[1030][1030];
int kurac[1030][1030];
signed main() {
  int tt = 1;
  //cin >> tt;
  while (tt--) {
    cin >> n >> m;
    k = (m + 1) / 2;
    for (int i = 1;i <= n;i++) {
      for (int j = 0;j < m;j++) {
        scanf("%d", &x);
        if (x > 0) {
          a[i] |= (1 << j);
          cnt[j]++;
        }
      }
      pr = (a[i] & ((1 << (m - k)) - 1));
      suf = (a[i] >> (m - k));
      g[pr].push_back({suf, a[i]});
    }
 
 
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Compilation message (stderr)

council.cpp: In function 'int main()':
council.cpp:21:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |      scanf("%d", &x);
      |      ~~~~~^~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 8 / 8
• Subtask 3: 6 / 6
• Subtask 4: 19 / 19
• Subtask 5: 15 / 15
• Subtask 6: 22 / 22
• Subtask 7: 22 / 22