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10576.cpp
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10576.cpp
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/*
**************************************************************
* Author : Bemen Girgis
* Contact : [email protected]
* Problem : 10576 UVA
* Link : https://onlinejudge.org/external/105/p10576.pdf
**************************************************************
* Approach:
**************************************************************
*/
#include <bits/stdc++.h>
#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;
int year[12];
bool test()
{
int sum = 0;
for(int i = 0; i < 12; ++i)
{
sum += year[i];
if(i >= 4)
{
if(sum >= 0)
return false;
sum -= year[i - 4];
}
}
return true;
}
bool solve(int s, int d, int len = 12)
{
if(!len) return test() && accumulate(year, year + 12, 0) >= 0;
year[len - 1] = s;
if(solve(s, d, len - 1)) return true;
year[len - 1] = -d;
if(solve(s, d, len - 1)) return true;
return false;
}
int main()
{
int s, d;
while(scanf("%d %d\n", &s, &d) != EOF)
{
memset(year, -1, sizeof(year));
if(solve(s, d)) printf("%d\n", accumulate(year, year + 12, 0));
else printf("Deficit\n");
}
return 0;
}