제출 #529487

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
529487	2022-02-23 04:37:59	qwerasdfzxcl	Inside information (BOI21_servers)	C++14	100 / 100	490 ms	43152 KiB

servers

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#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
constexpr int MAXN = 120120, LOGN = 20;
vector<pair<int, int>> adj[MAXN];
struct Seg{
    vector<int> tree;
    int sz;
    void init(int n){
        sz = n+1;
        tree.resize(sz*2);
    }
    void update(int p, int x){
        for (tree[p+=sz]+=x;p>1;p>>=1) tree[p>>1] = tree[p] + tree[p^1];
    }
    int query(int l){
        int r = sz, ret = 0;
        for (l+=sz, r+=sz;l<r;l>>=1, r>>=1){
            if (l&1) ret += tree[l++];
            if (r&1) ret += tree[--r];
        }
        return ret;
    }
};
struct Cent{
    int sz[MAXN], cpa[MAXN], cdep[MAXN];
    bool visited[MAXN];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

servers.cpp: In member function 'int Cent::getsz(int, int)':
servers.cpp:38:20: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   38 |         for (auto &[v, w]:adj[s]) if (!visited[v] && v!=pa) sz[s] += getsz(v, s);
      |                    ^
servers.cpp: In member function 'int Cent::getcent(int, int, int)':
servers.cpp:42:20: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   42 |         for (auto &[v, w]:adj[s]) if (!visited[v] && v!=pa && sz[v]*2 > cap) return getcent(v, cap, s);
      |                    ^
servers.cpp: In member function 'void Cent::dfs1(int, int, int, int)':
servers.cpp:48:20: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   48 |         for (auto &[v, w]:adj[s]) if (!visited[v] && v!=pa) dfs1(v, root, s, dep);
      |                    ^
servers.cpp: In member function 'void Cent::dnc(int, int, int)':
servers.cpp:55:20: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   55 |         for (auto &[v, w]:adj[c]) if (!visited[v]) dfs1(v, v, c, dep); ///init subt
      |                    ^
servers.cpp:61:20: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   61 |         for (auto &[v, w]:adj[c]) if (!visited[v]){
      |                    ^
servers.cpp: In member function 'void Cent::dfs2(int, int, int, int)':
servers.cpp:68:20: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   68 |         for (auto &[v, w]:adj[s]) if (cdep[v]>dep && v!=pa && w!=-1 && w<cst) dfs2(v, dep, s, w);
      |                    ^
servers.cpp: In function 'int main()':
servers.cpp:124:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  124 |     scanf("%d %d", &n, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~~
servers.cpp:128:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  128 |         scanf(" %c %d", &op, &x);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~
servers.cpp:129:27: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  129 |         if (op!='C') scanf("%d", &y);
      |                      ~~~~~^~~~~~~~~~

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