제출 #616072

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
616072	2022-07-31 19:53:14	penguinhacker	사탕 분배 (IOI21_candies)	C++17	0 / 100	157 ms	98700 KiB

candies

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#include "candies.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ar array
#define T ar<ll, 7>
const int mxN=2e5;
const T ID={-1, -1, -1, -1, -1, -1, -1};
// store {sum, min prefix, max prefix, up, down, suffix max, suffix pre}
int n, q;
vector<int> queries[mxN];
T mk(int x) {
  return {x, x, x, max(0, x), min(0, x), max(0, x), min(0, x)};
}
T cmb(T a, T b) {
  if (a==ID||b==ID)
    return a!=ID?a:b;
  return {
    a[0]+b[0],
    min(a[1], a[0]+b[1]),
    max(a[2], a[0]+b[2]),
    max({a[3], b[3], a[0]+b[2]-a[1]}),
    min({a[4], b[4], a[0]+b[1]-a[2]}),
    max(a[5]+b[0], b[5]),
    min(a[6]+b[0], b[6]),
  };
 
 
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컴파일 시 표준 에러 (stderr) 메시지

candies.cpp: In member function 'int seg_tree::qry1(int, std::array<long long int, 7>, int, int, int)':
candies.cpp:54:20: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   54 |   if (y==ID||y[3]<x&&y[4]>-x)
candies.cpp: In member function 'int seg_tree::qry2(int, int, std::array<long long int, 7>, int, int, int)':
candies.cpp:69:20: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
   69 |   if (y==ID||y[3]<x&&y[4]>-x)

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