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#include <bits/stdc++.h>
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using namespace std;
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const int INF = 0x3f3f3f3f; //+∞
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//最大值设为最小，最小值设为最大
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//~哨兵~
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int Max = -INF, Min = INF;
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int main() {
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int n;
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cin >> n;
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while (n--) {
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int x;
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cin >> x;
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if (x > Max) Max = x;
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if (x < Min) Min = x;
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}
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cout << Max - Min << endl;
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return 0;
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} |
