Submission #794174

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
794174	2023-07-26 10:17:10	ind1v	Two Currencies (JOI23_currencies)	C++11	100 / 100	1491 ms	41352 KiB

currencies

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#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
struct fenwick_tree {
  long long fenw[N];
  
  fenwick_tree() {
    memset(fenw, 0, sizeof(fenw));
  }
  
  void reset() {
    memset(fenw, 0, sizeof(fenw));
  }
  
  void upd(int idx, int val) {
    for (; idx < N; idx |= (idx + 1)) {
      fenw[idx] += val;
    }
  }
  
  long long get(int idx) {
    long long res = 0;
    for (; idx >= 0; idx &= (idx + 1), --idx) {
      res += fenw[idx];
    }
    return res;
  }
 
 
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Compilation message (stderr)

currencies.cpp: In function 'int main()':
currencies.cpp:169:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  169 |       cand[l[i] + r[i] >> 1].emplace_back(i);
      |            ~~~~~^~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32