OJ题目之最强单身狗

OJ

最强单身狗

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#include <stdio.h>
int main() {
int t;
long long l, r;
scanf("%d", &t);
while (t--) {
scanf("%lld%lld", &l, &r);
while ((l | (l + 1)) <= r) {
l = (l | (l + 1));
}
printf("%lld\n", l);
}
return 0;
}
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