16 lines
400 B
C++
16 lines
400 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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//cin读入优化
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std::ios::sync_with_stdio(false);
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int n, x, y;
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cin >> n >> x >> y;
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//============注意：需要特判！========================
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//比如一组测试用例： 10 1 20
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float a = n - ceil(1.0 * y / x);
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if (a > 0) cout << a << endl;
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else cout << 0 << endl;
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return 0;
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} |