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33 lines
707 B
C++

#include <cstdio>
#include <algorithm>
using namespace std;
double A[55], tmp;
int B[55], Q, N, ans;
bool vis[55];
void dfs(int d, int x, double p, int s)
{
if (d > 3) return;
if (int(p) == p && int(p) % 5 == 0)
ans = max(ans, s);
for (int i = 0; i < N; i++)
if (!vis[i])
{
vis[i] = true;
dfs(d + 1, i, p + A[i], s + B[i]);
vis[i] = false;
}
}
int main()
{
scanf("%d", &Q);
while (Q--)
{
ans = 0;
scanf("%d", &N);
for (int i = 0; i < N; i++)
scanf("%lf%d", A + i, B + i);
dfs(0, 0, 0, 0);
printf("%d\n", ans);
}
return 0;
}