HEU 5016 Exchange Apples
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/**************************************
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Problem: HEU 5016 Exchange Apples
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Time: 0.0100 s
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Memory: 248 k
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Accepted Time: 2009-03-30 17:11:56
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Tips: 满足第一个元素,只能从第二个元素里得到满足,以此类推
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**************************************/
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#include <stdio.h>
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#define abs(x) (x>0?x:-x)
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int main()
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{
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int tt,n,i,j,k,a[100009];
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scanf("%d",&tt);
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while(tt--)
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{
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int sum=0;
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scanf("%d",&n);
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for(i=0;i<n;i++)scanf("%d",&a[i]);
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for(i=0;i<n-1;i++)
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{
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sum+=abs(a[i]);
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a[i+1]+=a[i];
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}
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printf("%d\n",sum);
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}
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return 0;
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}
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