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23 lines
432 B
23 lines
432 B
#include <bits/stdc++.h>
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using namespace std;
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const int N = 1111;
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int n, l, r;
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int a[N];
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int sum;
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int res;
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int main() {
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cin >> n;
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for (int i = 1; i <= n; i++) {
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cin >> a[i];
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sum += a[i];
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}
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cin >> l >> r;
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if (sum < l * n || sum > r * n) {
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printf("-1");
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return 0;
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}
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for (int i = 1; i <= n; i++)
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if (a[i] > r) res += a[i] - r;
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printf("%d\n", res);
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return 0;
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} |