Submission #1230124

#	Time	Username	Problem	Language	Result	Execution time	Memory
1230124		sethod	Finding Routers (IOI20_routers)	C++20	Compilation error	0 ms	0 KiB

routers

#include "routers.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> find_routers(int l, int n, int q) {
  vector<int> ans;
  ans.push_back(0);
  vector<int> road(l);
  memset(road, -1, road.size());
  for(int i = 1; i < n; i++){
    int l = ans.back();
    int r = l - 1;
    int pos = -1;
    while(l > r){
      int m = (l + r) / 2;
      if(road[m] == -1) road[m] = use_detector(m);
      if(road[m] >= i){ 
        r = m - 1;
        pos = m;
      }
      else l = m + 1;
    }
    int tmp = pos - ans[i - 1];
		ans[i] = pos + (tmp - 1) - 1;
  }
	return ans;
}

Compilation message (stderr)

routers.cpp: In function 'std::vector<int> find_routers(int, int, int)':
routers.cpp:9:10: error: cannot convert 'std::vector<int>' to 'void*'
    9 |   memset(road, -1, road.size());
      |          ^~~~
      |          |
      |          std::vector<int>
In file included from /usr/include/features.h:486,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/os_defines.h:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/c++config.h:586,
                 from /usr/include/c++/11/bits/stl_algobase.h:59,
                 from /usr/include/c++/11/vector:60,
                 from routers.h:1,
                 from routers.cpp:1:
/usr/include/x86_64-linux-gnu/bits/string_fortified.h:57:1: note:   initializing argument 1 of 'void* memset(void*, int, size_t)'
   57 | __NTH (memset (void *__dest, int __ch, size_t __len))
      | ^~~~~