제출 #171966

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
171966	2019-12-30 17:15:48	gs18103	Cake 3 (JOI19_cake3)	C++14	100 / 100	1060 ms	109660 KiB

cake3

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#include <bits/stdc++.h>
#define fi first
#define se second
#define eb emplace_back
#define em emplace
#define all(v) v.begin(), v.end()
using namespace std;
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
const int MAX = 101010;
const int INF = 1e9;
const ll LINF = 1e18;
struct Node {
    int l, r, c; ll val;
    Node(int l, int r, int c, ll val) : l(l), r(r), c(c), val(val) {}
};
pll arr[2*MAX];
int root[2*MAX], n, x;
vector <Node> tree;
vector <ll> num;
ll ans = -LINF;
void expand_tree(int s, int e, int k, int pnd, int cnd) {
    tree[cnd].c = tree[pnd].c + 1;
    tree[cnd].val = tree[pnd].val + num[k];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

cake3.cpp: In function 'void expand_tree(int, int, int, int, int)':
cake3.cpp:32:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int m = s + e >> 1;
             ~~^~~
cake3.cpp: In function 'll cal(int, int, int, int, int)':
cake3.cpp:49:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int m = s + e >> 1, rcnt = tree[tree[cnd].r].c - tree[tree[pnd].r].c;
             ~~^~~
cake3.cpp: In function 'void dnc(int, int, int, int)':
cake3.cpp:59:24: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int idx = l, m = s + e >> 1;
                      ~~^~~

• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 76 / 76