35 lines
824 B
C++
35 lines
824 B
C++
#include <cmath>
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#include <iomanip>
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#include <iostream>
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using namespace std;
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double get_price(int spent_money, int distance) {
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double price = 0;
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if (distance <= 6) {
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price = 3;
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} else {
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price = 4;
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}
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distance -= 12;
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if (distance > 0 && distance <= 32 - 12) { price += ceil(distance / 10.0); }
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distance -= 32 - 12;
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if (distance > 0) { price += ceil(distance / 20.0); }
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if (spent_money >= 400) { return price; }
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if (spent_money >= 150) { return price * 0.5; }
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if (spent_money >= 100) { return price * 0.8; }
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return price;
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}
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int main() {
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ios::sync_with_stdio(false);
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cin.tie(nullptr);
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int spent_money, distance;
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cin >> spent_money >> distance;
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cout << fixed << setprecision(2) << get_price(spent_money, distance) << endl;
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return 0;
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}
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