# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
494141 | 2021-12-14T12:50:30 Z | PikaQ | Mobile (BOI12_mobile) | C++17 | 3 ms | 384 KB |
#include<bits/stdc++.h> #define int ll #define forn(i,n) for(int i=0;i<(n);i++) #define Forn(i,n) for(int i=1;i<=(n);i++) #define ll long long #define pb push_back #define F first #define S second #define lb lower_bound #define ub upper_bound #define vi vector<int> #define vl vector<long long> #define vpi vector<pair<int,int> > #define pii pair<int,int> #define pll pair<long long,long long> #define mp make_pair #define rz resize #define all(p) p.begin(),p.end() #define alr(p,q) p+1,p+q+1 #define ull unsigned long long #define st0(p) memset((p),0,sizeof(p)) #define T(x) ((x)%2 ? s[(x)/2] : '.') #define lowb(x) x&-x #define ls(x) (x)*2 #define rs(x) (x)*2+1 using namespace std; inline void USACO(string filename){ freopen((filename+".in").c_str(),"r",stdin); freopen((filename+".out").c_str(),"w",stdout); } void debug() {cout << endl;} template <class T, class ...U> void debug(T a, U ... b) { cout << a << " "; debug(b...);} // template <class T> int max(T a, T ... b) { cout << a << " "; debug(b...);} const int INF = 1e9+7; const double eps = 1e-7; const int N = 8e2+9; int n; #define double long double #define pdd pair<double,double> int L; vector<pdd> p; bool check(double R){ vector<pdd> vs; double cur = 0; for(auto &i : p){ double dy = abs(i.S); if(dy - R > eps) continue; double d = sqrt(R*R - dy*dy); double l = i.F -d,r = i.F +d; if(l <= cur) cur = max(cur,(double)r); } return cur >= L; } void solve(){ cin >> n >> L; p.rz(n); forn(i,n) cin >> p[i].F >> p[i].S; sort(all(p)); double lo = 0,hi = 1e18; while(hi - lo > 1e-7){ double mid = (lo+hi)/2; if(check(mid)) hi = mid; else lo = mid; } // debug(check((double)10)); cout << hi << '\n'; } signed main(){ // USACO("angry"); cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif cout << fixed << setprecision(4); // int t; // cin >> t; // while(t--) solve(); return 0; }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 384 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 3 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 3 ms | 384 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 3 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 3 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 384 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Incorrect | 2 ms | 332 KB | Unexpected end of file - double expected |
2 | Halted | 0 ms | 0 KB | - |