Submission #956957

#	Time	Username	Problem	Language	Result	Execution time	Memory
956957		FEDIKUS	Sure Bet (CEOI17_sure)	C++17	100 / 100	108 ms	3728 KiB

sure

#include <bits/stdc++.h>
 
using namespace std;
 
const int MAX_N = 100100;
 
int n;
double A[MAX_N], B[MAX_N];
 
int main()
{
    // Ulaz
    cin>>n;
 
    for(int i=0;i<n;i++)
    {
        cin>>A[i]>>B[i];
    }
 
    // Obrada
    sort(A, A+n);
    sort(B, B+n);
 
    double rez = 0;
    double profit = 0, loss = 0;
    double sumA = 0, sumB = 0;
    int a = n-1, b = n-1;
    while(a != -1 or b != -1)
    {
        loss++;
 
        if(sumA <= sumB)
        {
          if(a==-1) break;
            sumA += A[a];
           
            a--;
        }
        else
        {
          if(b==-1) break;
            sumB += B[b];

            b--;
        }
 
        if(min(sumA,sumB) - loss > rez)
        {
            rez = min(sumA,sumB) - loss;
        }
    }
 
    // Izlaz
    cout<<fixed<<showpoint<<setprecision(4)<<rez<<endl;
 
    return 0;
}

Compilation message (stderr)

sure.cpp: In function 'int main()':
sure.cpp:25:12: warning: unused variable 'profit' [-Wunused-variable]
   25 |     double profit = 0, loss = 0;
      |            ^~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 40 / 40
• Subtask 3: 40 / 40