제출 #1221362

#제출 시각아이디문제언어결과실행 시간메모리
1221362juaquin_remonBalloons (CEOI11_bal)C++20
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> #include <iomanip> #ifndef ONLINE_JUDGE #include "debug.h" #else #define debug(...) #define debugArr(...) #endif using namespace std; typedef long long ll; typedef vector<ll> vl; typedef pair<ll,ll> pl; #define forr(i,a,b) for(int i=int(a);i<int(b);++i) #define forn(i,n) forr(i,0,n) #define dforr(i,a,b) for(int i=int(b)-1;i>=int(a);--i) #define dforn(i,n) dforr(i,0,n) #define fore(e,c) for(const auto &e : (c)) #define all(x) (x).begin(), (x).end() #define pb push_back #define fi first #define se second const ll MAXN = -1; const ll mod = 1e9+7; const ll inf = 1e18+10; typedef long double ld; struct Line { mutable ld k, m, p; bool operator<(const Line& o) const { return k < o.k; } bool operator<(ll x) const { return p < x; } }; struct LineContainer : multiset<Line, less<>> { // (for doubles, use inf = 1/.0, div(a,b) = a/b) ld inf = 1/.0; ld div(ld a, ld b) { // floored division return a / b; } bool isect(iterator x, iterator y) { if (y == end()) return x->p = inf, 0; if (x->k == y->k) x->p = x->m > y->m ? inf : -inf; else x->p = div(y->m - x->m, x->k - y->k); return x->p >= y->p; } void add(ld k, ld m) { auto z = insert({k, m, 0}), y = z++, x = y; while (isect(y, z)) z = erase(z); if (x != begin() && isect(--x, y)) isect(x, y = erase(y)); while ((y = x) != begin() && (--x)->p >= y->p) isect(x, erase(y)); } ld query(ld x) { assert(!empty()); auto l = *lower_bound(x); return l.k * x + l.m; } }; void solve(){ ll n; cin >> n; LineContainer lc; forn(i, n) { ll x, maxr; cin >> x >> maxr; cout << fixed << setprecision(3); ld r; if (i == 0) { cout << maxr << "\n"; r = maxr; } else { ld sqrt_r_opt = -lc.query(x); ld r_opt = sqrt_r_opt*sqrt_r_opt; r = min((ld)maxr, r_opt); cout << r << "\n"; } ld sqrt_r = sqrtl(r); lc.add(-1./(2*sqrt_r), x/(2*sqrt_r)); } } int main(){ ios::sync_with_stdio(0); cin.tie(0); int tt = 1; while(tt--) solve(); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

bal.cpp:4:10: fatal error: debug.h: No such file or directory
    4 | #include "debug.h"
      |          ^~~~~~~~~
compilation terminated.