Submission #366309

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
366309	2021-02-13 20:48:25	arman_ferdous	Monochrome Points (JOI20_monochrome)	C++17	100 / 100	1048 ms	18024 KiB

monochrome

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#include <bits/stdc++.h>
#define int long long
using namespace std;
#define fi first
#define se second
#define pb push_back
#define sz(v) (int)v.size()
#define all(v) v.begin(),v.end()
#define dbg(x) cerr << #x << " is " << x << "\n";
#define cum cerr << "came\n";
using ll = long long;
using ii = pair<ll,ll>;
const int N = 5e5+10;
int n;
char s[N];
struct BIT {
  int b[N];
  void upd(int pos, int x) { while(pos < N) b[pos] += x, pos += pos&-pos; }
  ll get(int pos, int r = 0) { while(pos) r += b[pos], pos -= pos&-pos; return r; }
}bit;
int vis[N];
vector<pair<int, int>> segs;
int l[N], r[N];
 
 
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Compilation message (stderr)

monochrome.cpp: In function 'int32_t main()':
monochrome.cpp:85:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   85 |   scanf("%lld %s", &n, s);
      |   ~~~~~^~~~~~~~~~~~~~~~~~

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