Submission #1005805

#	Time	Username	Problem	Language	Result	Execution time	Memory
1005805		Mubaris	Balloons (CEOI11_bal)	C++17	10 / 100	439 ms	7764 KiB

bal

#include<bits/stdc++.h>
using namespace std;
double f(int a,int b,double c,double d){
    int dist=(b-a)*(b-a);
    double ans=(double)dist/4;ans=(double)ans/d;
    return (ans<c?ans:0);
}
void solve(){
    int a;cin>>a;
    vector<double> b(a),c(a);
    for(int i=0;i<a;i++) cin>>b[i]>>c[i];
    for(int i=0;i<a;i++){
        stack<int> st;
        int j=1;while((i>=j)&&(b[i]-b[i-j])<(c[i]+c[i-j])) {st.push(i-j);j++;}
        while(!st.empty()&&f(b[st.top()],b[i],c[i],c[st.top()])) {c[i]=f(b[i],b[st.top()],c[i],c[st.top()]);st.pop();}
        cout<<fixed<<setprecision(3)<<c[i]<<endl;
    }
}
int main(){
    int t=1;
    while(t--)	solve();
}

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