$O(n)$
#include<cstdio> int n, r; char b, x, y; int main() { scanf("%d %c", &n, &b); for (int i = 0; i < 4 * n; i++) { scanf(" %c%c", &x, &y); switch (x) { case 'A':r += 11; break; case 'K': r += 4; break; case 'Q': r += 3; break; case 'J': r += y == b ? 20 : 2; break; case 'T': r += 10; break; case '9':r += y == b ? 14 : 0; break; } } printf("%d", r); return 0; }
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