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- voluntas
- @ignis_fatuus
- ブン
- 清楚なC++メイドBOT
- @tzik_tack
- wraith13
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- I (@wx257osn2)
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- 暢気
- @gnaggnoyil
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- ___shanon
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x
87
profit_bound += (W - totweight) * values[j] / weights[j];1
2
3
4
struct bb_Node {5
int index, weight, profit, bound;6
};7
8
std::queue<bb_Node> Q;9
10
bb_Node queue_peek() { return Q.front(); }11
void queue_pop() { Q.pop(); }12
void queue_push(const bb_Node& n) { Q.push(n); }13
bool queue_isEmpty() { return Q.empty(); }14
15
int bound(bb_Node u, int n, int W, int weights[], int values[])16
{17
18
if (u.weight >= W)19
return 0;20
21
int profit_bound = u.profit;22
int j = u.index + 1;23
int totweight = u.weight;24
25
while ((j < n) && (totweight + weights[j] <= W))26
{27
totweight += weights[j];28
profit_bound += values[j];$ g++ prog.cc -Wall -Wextra -std=c++11
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