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  • hdoj 4450 Draw Something 水题

    Draw Something

    Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
    Total Submission(s): 2850 Accepted Submission(s): 2373

    Problem Description

    Wangpeng is good at drawing. Now he wants to say numbers like “521” to his girlfriend through the game draw something.
    Wangpeng can’t write the digit directly. So he comes up a way that drawing several squares and the total area of squares is the number he wants to say.
    Input all the square Wangpeng draws, what’s the number in the picture?

    Input

    There are multiple test cases.
    For each case, the first line contains one integer N(1≤N≤100) indicating the number of squares.
    Second line contains N integers ai(1≤ai≤100)represent the side length of each square. No squares will overlap.
    Input ends with N = 0.

    Output

    For each case, output the total area in one line.

    Sample Input

    4 1 2 3 4 3 3 3 3 0

    Sample Output

    30 27

    题意

    就是给你n个数,然后让你求这N个数的前缀和

    题解

    就是按照题意暴力就好啦

    代码

    int a[maxn];
    int main()
    {
        int n;
        while(RD(n)!=-1)
        {
            if(n==0)
                break;
            LL ans=0;
            REP_1(i,n)
            {
                RD(a[i]);
                ans+=a[i]*a[i];
            }
            printf("%d
    ",ans);
        }
    }
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  • 原文地址:https://www.cnblogs.com/qscqesze/p/4329552.html
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