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17 lines
219 B
C
17 lines
219 B
C
#include <stdio.h>
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int main()
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{
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int N, a, sum = 0;
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scanf("%d", &N);
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for(int i = 0; i < N; i++)
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{
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scanf("%d", &a);
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sum += a;
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}
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printf("%d", sum * (N - 1) * 11);
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return 0;
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}
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