Submission #639571

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
639571	2022-09-10 16:21:12	valerikk	Monochrome Points (JOI20_monochrome)	C++17	100 / 100	1198 ms	54140 KiB

monochrome

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#include <bits/stdc++.h>
using namespace std;
const int N = 4e5 + 7;
int fen[N];
vector<int> start[N], finish[N];
void add_fen(int i, int val) {
  for (++i; i < N; i += i & -i) {
    fen[i] += val;
  }
}
int get_fen(int i) {
  int res = 0;
  for (; i > 0; i -= i & -i) {
    res += fen[i];
  }
  return res;
}
char s[N];
int main() {
  int n;
  scanf("%d", &n);
  scanf("%s", s);
  vector<int> black, white;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

monochrome.cpp: In function 'int main()':
monochrome.cpp:28:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
monochrome.cpp:29:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |  scanf("%s", s);
      |  ~~~~~^~~~~~~~~

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