UVA - 11054 Wine trading in Gergovia
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原题链接
分析:考虑最左边的村庄1,若a1>0,则村庄2必会给村庄1送酒,不管这些酒从哪里来。同理,对于左边的村庄,酒的需求是a1+..+ai,这些需求必然来于右边,那么运送成本即需求的绝对值,而当前的需求即左边村庄的需求加上当前村庄的需求。
#include <cstdio>#include <cmath>using namespace std;int main(){int n;while(~scanf("%d",&n)&&n) {int a, last = 0;long long ans = 0;for(int i=0; i<n; i++) { scanf("%d", &a); ans += abs(last); last += a;}printf("%lld\n", ans);} return 0;}
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- UVa 11054 - Wine trading in Gergovia
- UVa 11054 - Wine trading in Gergovia
- uva 11054 - Wine trading in Gergovia
- uva 11054 - Wine trading in Gergovia
- UVA 11054 - Wine trading in Gergovia
- UVA 11054 Wine trading in Gergovia
- uva 11054 - Wine trading in Gergovia
- uva 11054 Wine trading in Gergovia
- UVa:11054 Wine trading in Gergovia
- uva 11054 Wine trading in Gergovia
- UVa 11054 - Wine trading in Gergovia
- UVA - 11054 Wine trading in Gergovia
- uva--11054Wine trading in Gergovia +贪心
- UVa 11054 - Wine trading in Gergovia
- UVA 11054 - Wine trading in Gergovia
- Uva - 11054 - Wine trading in Gergovia
- UVA - 11054 Wine trading in Gergovia
- uva 11054 Wine trading in Gergovia
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