제출 #782398

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
782398	2023-07-13 23:13:41	tvladm2009	Monochrome Points (JOI20_monochrome)	C++17	100 / 100	930 ms	8104 KiB

monochrome

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = (int) 2e5 + 7;
int n;
int aib[2 * N];
vector<int> v[2];
string s;
void update(int x) {
  x++;
  for (int i = x; i < 2 * N; i += i & -i) {
    aib[i]++;
  }
}
int query(int x) {
  x++;
  int ret = 0;
  for (int i = x; i >= 1; i -= i & -i) {
    ret += aib[i];
  }
  return ret;
}
int get(int l, int r) {
  return query(r) - query(l);
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

monochrome.cpp: In function 'int main()':
monochrome.cpp:63:30: warning: unused variable 'sol' [-Wunused-variable]
   63 |   int low = 0, high = n - 1, sol = 0;
      |                              ^~~

• Subtask 1: 4 / 4
• Subtask 2: 21 / 21
• Subtask 3: 10 / 10
• Subtask 4: 65 / 65