제출 #848970

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
848970	2023-09-13 18:58:24	mickey080929	Sushi (JOI16_sushi)	C++17	20 / 100	12080 ms	92928 KiB

sushi

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#include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#define szz(x) (int)(x).size()
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<long long, long long> pll;
const int inf = 1e9;
const int B = 640;
struct LazySegTree {
public:
    void build(int _n) {
        n = _n;
        lg = Log2(n);
        sz = (1 << lg);
        tree.resize(sz << 1);
        fill(tree.begin(), tree.end(), inf);
        lazy.resize(sz);
        fill(lazy.begin(), lazy.end(), 0);
    }
    void Set(int i, int val) { tree[--i | sz] = val; }
    void Init() { for (int i = sz - 1; i; i--) Pull(i); }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

sushi.cpp: In member function 'void LazySegTree::Update(int, int, int)':
sushi.cpp:35:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   35 |             if (r + 1 >> i << i != r + 1) Push(r >> i);
      |                 ~~^~~
sushi.cpp:43:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   43 |             if (r + 1 >> i << i != r + 1) Pull(r >> i);
      |                 ~~^~~
sushi.cpp: In member function 'void Bucket::init()':
sushi.cpp:108:30: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  108 |                 int mid = lo + hi >> 1;
      |                           ~~~^~~~
sushi.cpp: In function 'int main()':
sushi.cpp:174:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  174 |     scanf("%d %d", &n, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~~
sushi.cpp:176:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  176 |         scanf("%d", &a[i]);
      |         ~~~~~^~~~~~~~~~~~~
sushi.cpp:184:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  184 |         scanf("%d %d %d", &l, &r, &x);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 0 / 80