제출 #1060630

#제출 시각아이디문제언어결과실행 시간메모리
1060630ArthuroWich자동 인형 (IOI18_doll)C++17
10 / 100
48 ms8280 KiB
#include "doll.h" #include<bits/stdc++.h> using namespace std; struct node { int l = -1, r = -1, y = 0; }; int timer = 2, dep; vector<int> x, y; node tree[200005]; void build(int n, int d) { if (dep-1 == d) { return; } tree[n].l = -timer; timer++; tree[n].r = -timer; timer++; build(-tree[n].l, d+1); build(-tree[n].r, d+1); } void create(int n, int d, int v) { if (dep-1 == d) { if (tree[n].y == 0) { tree[n].l = v; } else { tree[n].r = v; } } else { if (tree[n].y == 0) { create(-tree[n].l, d+1, v); } else { create(-tree[n].r, d+1, v); } } tree[n].y ^= 1; } void create_circuit(int m, vector<int> a) { vector<int> d(m+1, -1); d[0] = a[0]; int n = a.size(), s; dep = ceil(log2(n)); s = 1 << dep; build(1, 0); for (int i = 1; i < s; i++) { if (i < a.size()) { create(1, 0, a[i]); } else { create(1, 0, -1); } } create(1, 0, 0); for (int i = 1; i < s; i++) { x.push_back(tree[i].l); y.push_back(tree[i].r); } answer(d, x, y); }

컴파일 시 표준 에러 (stderr) 메시지

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:45:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |         if (i < a.size()) {
      |             ~~^~~~~~~~~~
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