Submission #1005063

#	Time	Username	Problem	Language	Result	Execution time	Memory
1005063		Mubaris	Balloons (CEOI11_bal)	C++17	0 / 100	329 ms	6232 KiB

bal

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

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