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python/TangDou/XiTi/1322.cpp

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2025-08-30 18:35:01 +08:00
#include <bits/stdc++.h>
using namespace std;
int main() {
int N;
cin >> N;
int sum = 0;
//努力尝试5瓶,不行再尝试3瓶,一瓶10元
while (N >= 5 * 10) {
N -= 50;
sum += 7;
}
while (N >= 3 * 10) {
N -= 30;
sum += 4;
}
while (N >= 10) {
N -= 10;
sum++;
}
cout << sum << endl;
return 0;
}