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  • BZOJ 4291

    武神给窝看了这题,然后窝三秒钟之内没有反应出来做法。
    然后码代码。TM然后窝WA了4次!!
    为何窝如此沙茶…
    果然窝还是NOIP选手…

    // BZOJ 4291
    
    #include <algorithm>
    #include <cstdio>
    #include <cstring>
    using namespace std;
    
     #define rep(i,a,b) for (int i=a; i<=b; i++)
     #define read(x) scanf("%lld", &x)
     #define LL long long
    
     const LL INF = 2e+9;
    
     LL ans=0, x, n;
    
    int main()
    {
    	read(n);
    	LL num = INF;
    	rep(i,1,n) {
    		read(x), ans+=x; 
    		if (num>x && x%2==1) num = x;
    	}
    	if (n==1 && x%2==1) puts("NIESTETY");
    	else printf("%lld
    ", ans%2==0 ? ans : ans-num); // 注意判断条件!
    
    	return 0;
    }
    
    
    
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  • 原文地址:https://www.cnblogs.com/yearwhk/p/5140656.html
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