Submission #943286

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
943286	2024-03-11 10:06:12	lovrot	Construction of Highway (JOI18_construction)	C++17	16 / 100	2078 ms	28316 KiB

construction

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#include <cstdio> 
#include <set>
#include <vector> 
#include <algorithm> 
#include <stack> 
#define X first
#define Y second
#define PB push_back
#define MP make_pair
using namespace std; 
typedef long long ll; 
typedef pair<int, int> pii;
const int LOG = 17;
const int N = 1 << LOG; 
struct fenwick {
  int F[N]; 
  stack<pii> U;
  
  fenwick() {
    for(int &x : F) x = 0;
  }
  void add(int x, int val, bool f = 1) {
    if(f) U.push({x, val});
    for(; x < N; x += x & -x) F[x] += val;
 
 
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Compilation message (stderr)

construction.cpp: In function 'int main()':
construction.cpp:106:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  106 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
construction.cpp:108:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  108 |   scanf("%d", C + i);
      |   ~~~~~^~~~~~~~~~~~~
construction.cpp:117:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  117 |   scanf("%d%d", A + i, B + i);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 9 / 9
• Subtask 3: 0 / 84