제출 #702399

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
702399	2023-02-24 00:20:20	thimote75	Sails (IOI07_sails)	C++14	0 / 100	95 ms	65536 KiB

sails

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#include <bits/stdc++.h>
using namespace std;
#define num long long
struct SGD {
    num sum  = 0;
    num size = 1;
    num __l_value = 0;
};
struct SegTree {
    vector<SGD> tree;
    int size, start, height;
    SegTree (int ps) {
        size   = ps;
        height = ceil(log2(size));
        start  = 1 << height;
        tree.resize(start << 1);
        for (int i = start - 1; i >= 1; i --)
            tree[i].size = 2 * tree[i * 2].size;   
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

sails.cpp: In function 'int main()':
sails.cpp:156:31: warning: 'maxSailHeight' may be used uninitialized in this function [-Wmaybe-uninitialized]
  156 |     SegTree tree(maxSailHeight);
      |                               ^

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