제출 #879970

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
879970	2023-11-28 12:17:02	willychan	Road Construction (JOI21_road_construction)	C++17	100 / 100	4621 ms	11368 KiB

road_construction

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds
#define x first
#define y second
struct bit{
  vector<int> arr;
  int n;
  void init(int _n){
    arr.resize(_n+1,0);
    n = _n;
  }
  void modify(int ind,int v){
    while(ind<=n){
      arr[ind]+=v;
      ind+=(ind&-ind);
    }
  }
  int query(int ind){
    int ans = 0;
    while(ind){
      ans+=arr[ind];
      ind-=(ind&-ind);
    }
    return ans;
  }
};
 
 
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컴파일 시 표준 에러 (stderr) 메시지

In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from road_construction.cpp:1:
road_construction.cpp: In function 'int main()':
road_construction.cpp:87:19: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   87 |  assert(ans.size()<=k);
      |         ~~~~~~~~~~^~~

• Subtask 1: 5 / 5
• Subtask 2: 6 / 6
• Subtask 3: 7 / 7
• Subtask 4: 20 / 20
• Subtask 5: 27 / 27
• Subtask 6: 35 / 35