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12 lines
229 B
12 lines
229 B
2 years ago
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#include <iostream>
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using namespace std;
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// 90分
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int main() {
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int n, l, r;
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cin >> n >> l >> r;
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int ans = 0;
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for (int i = l; i <= r; i++) ans = max(ans, i % n);
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printf("%d\n", ans);
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return 0;
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}
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