#include<stdio.h> int main() { int t, n, x, s[100010], i, j; scanf("%d", &t); while(t--) { scanf("%d %d", &n, &x); for (i = 0; i < n; i++) scanf("%d", &s[i]); for (i = 0; i < n; i++) for (j = 0; j < n; j++) { if (i != j && s[i] + s[j] == x) { printf("YES\n"); goto stop; } } printf("NO\n"); stop:; } return 0; } |
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