Submission #761993

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
761993	2023-06-20 13:54:27	KN200711	Mountains (NOI20_mountains)	C++14	22 / 100	290 ms	24620 KiB

Mountains

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# include <bits/stdc++.h>
# define ll long long
# define fi first
# define se second
using namespace std;
const int MXN = 3e5;
int fen[300001];
map<int, int> M;
void upd(int a) {
  while(a <= MXN) {
    fen[a]++;
    a += a&(-a);
  }
  return;
}
int qry(int a) {
  int res = 0;
  while(a > 0) {
    res += fen[a];
    a -= a&(-a);
  }
  return res;
}
int main() {
  int N;
  scanf("%d", &N);
 
 
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Compilation message (stderr)

Mountains.cpp: In function 'int main()':
Mountains.cpp:30:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |  scanf("%d", &N);
      |  ~~~~~^~~~~~~~~~
Mountains.cpp:34:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |   scanf("%d", &arr[i]);
      |   ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 0 / 2
• Subtask 2: 4 / 4
• Subtask 3: 9 / 9
• Subtask 4: 0 / 36
• Subtask 5: 0 / 28
• Subtask 6: 9 / 9
• Subtask 7: 0 / 12