29 lines
427 B
C++
29 lines
427 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int N;
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cin >> N;
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int sum = 0;
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//努力尝试5瓶，不行再尝试3瓶,一瓶10元
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while (N >= 5 * 10) {
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N -= 50;
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sum += 7;
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}
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while (N >= 3 * 10) {
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N -= 30;
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sum += 4;
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}
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while (N >= 10) {
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N -= 10;
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sum++;
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}
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cout << sum << endl;
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return 0;
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}
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