제출 #435145

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
435145	2021-06-23 04:00:08	Kevin_Zhang_TW	사탕 분배 (IOI21_candies)	C++17	100 / 100	1758 ms	31940 KiB

candies

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T> void debug(T l, T r) { while (l != r) cerr << *l << " \n"[next(l)==r], ++l; }
#else
#define DE(...) 0
#define debug(...) 0
#endif
#include "candies.h"
const int MAX_N = 200010;
const ll inf = 1ll << 59;
int n, m;
struct node {
  ll mx, mn, at;
  void operator += (ll v) { mx += v, mn += v, at += v; }
  node (ll a, ll b) : mx(a), mn(b), at(0) {}
  node (ll v) : at(0), mx(v), mn(v) {}
  node (node a, node b) : at(0), mx(max(a.mx, b.mx)), mn(min(a.mn, b.mn)) {}
  node () : mx(0), mn(0), at(0) {}
  bool valid(int c) { return mx - mn <= c; }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

candies.cpp: In constructor 'node::node(ll)':
candies.cpp:24:13: warning: 'node::at' will be initialized after [-Wreorder]
   24 |  ll mx, mn, at;
      |             ^~
candies.cpp:24:5: warning:   'll node::mx' [-Wreorder]
   24 |  ll mx, mn, at;
      |     ^~
candies.cpp:27:2: warning:   when initialized here [-Wreorder]
   27 |  node (ll v) : at(0), mx(v), mn(v) {}
      |  ^~~~
candies.cpp: In constructor 'node::node(node, node)':
candies.cpp:24:13: warning: 'node::at' will be initialized after [-Wreorder]
   24 |  ll mx, mn, at;
      |             ^~
candies.cpp:24:5: warning:   'll node::mx' [-Wreorder]
   24 |  ll mx, mn, at;
      |     ^~
candies.cpp:28:2: warning:   when initialized here [-Wreorder]
   28 |  node (node a, node b) : at(0), mx(max(a.mx, b.mx)), mn(min(a.mn, b.mn)) {}
      |  ^~~~
candies.cpp: In function 'int qry(int)':
candies.cpp:82:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   82 |   mid = l + r >> 1;
      |         ~~^~~

• Subtask 1: 3 / 3
• Subtask 2: 8 / 8
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29
• Subtask 5: 33 / 33