Submission #1186739

#	Time	Username	Problem	Language	Result	Execution time	Memory
1186739		yoruonivamp	Balloons (CEOI11_bal)	C++20	50 / 100	2096 ms	2604 KiB

bal

// YoruoniVamp - VTUBE
// Pragma Credit to Discord: pxsithexahydride
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,no-stack-protector,inline-small-functions,inline,unsafe-math-optimizations,omit-frame-pointer,inline-functions-called-once")
#include <bits/stdc++.h>
#pragma GCC target("avx2,fma,popcnt,lzcnt,bmi,bmi2,sse4.2,tune=native")
using namespace std;
#define endl '\n'
#define ll long long
#define ld long double
#define ull unsigned ll
#define cint const int
#define cf const float

cint mxA = 1e6+5, MOD = 1e9+7, INF = 0x3f3f3f3f;
cint d4x[4] = {0, 1, 0, -1}, d4y[4] = {1, 0, -1, 0};
cint d8x[8] = {0, 1, 1, 1, 0, -1, -1, -1}, d8y[8] = {1, 1, 0, -1, -1, -1, 0, 1};

void wait(int ms){
    clock_t endwait;
    endwait = clock() + ms;
    while(clock()<endwait){}
}

void solve(){
    int n; cin >> n;
    vector<pair<ll,ld>> ans;
    for(ll i = 1, x, r; i <= n; i++){
        cin >> x >> r;
        ld mn = r;
        for(auto j:ans) mn = min(mn, ((x-j.first)*(x-j.first))/(4*j.second));
        ans.emplace_back(x,mn);
    }for(auto [a,b]:ans) cout << fixed << setprecision(3) << b << endl;
    return;
}

int main(){
    cin.tie(nullptr)->sync_with_stdio(0);cout.tie(0);
    // freopen("", "r", stdin);
    // freopen("", "w", stdout);
    int t = 1;
    // cin >> t;
    while(t--) solve();
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10