$O(n)$
#include<cstdio> #include<algorithm> int n, r; int main() { scanf("%d", &n); while (n--) { int a, b, c, t; scanf("%d %d %d", &a, &b, &c); if (a == b && b == c) t = 10000 + a * 1000; else if (a == b || a == c) t = 1000 + a * 100; else if (b == c) t = 1000 + b * 100; else t = std::max({ a,b,c }) * 100; r = r > t ? r : t; } printf("%d", r); return 0; }
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